Пример #1
0
        public override void InitializeDemo()
        {
            base.InitializeDemo();
            SetCameraDistance(SCALING * 50f);

            //string filename = @"C:\users\man\bullett\xna-largemesh-output.txt";
            //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
            //BulletGlobals.g_streamWriter = new StreamWriter(filestream);

            ///collision configuration contains default setup for memory, collision setup
            m_collisionConfiguration = new DefaultCollisionConfiguration();

            ///use the default collision dispatcher. For parallel processing you can use a diffent dispatcher (see Extras/BulletMultiThreaded)
            m_dispatcher = new CollisionDispatcher(m_collisionConfiguration);

            m_broadphase = new DbvtBroadphase();
            IOverlappingPairCache pairCache = null;
            //pairCache = new SortedOverlappingPairCache();

            //m_broadphase = new SimpleBroadphase(10000, pairCache);

            ///the default constraint solver. For parallel processing you can use a different solver (see Extras/BulletMultiThreaded)
            SequentialImpulseConstraintSolver sol = new SequentialImpulseConstraintSolver();

            m_constraintSolver = sol;

            m_dynamicsWorld = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);

            IndexedVector3 gravity = new IndexedVector3(0, -10, 0);

            m_dynamicsWorld.SetGravity(ref gravity);

            m_profileManager = new BasicProfileManager();
            BulletGlobals.g_profileManager = m_profileManager;
            m_profileIterator = m_profileManager.getIterator();

            ///create a few basic rigid bodies
            IndexedVector3 halfExtents = new IndexedVector3(50, 50, 50);
            //IndexedVector3 halfExtents = new IndexedVector3(10, 10, 10);
            //CollisionShape groundShape = new BoxShape(ref halfExtents);
            CollisionShape groundShape = new StaticPlaneShape(new IndexedVector3(0, 1, 0), 0);

            LocalCreateRigidBody(0f, IndexedMatrix.Identity, groundShape);
            //CollisionShape groundShape = BuildLargeMesh();
            m_collisionShapes.Add(groundShape);
            CollisionShape sphereShape = new SphereShape(0.2f);
            int            size        = 16;// 5; // 16

            for (int i = 0; i < size; ++i)
            {
                for (int j = 0; j < size; ++j)
                {
                    IndexedMatrix m  = IndexedMatrix.CreateTranslation(new IndexedVector3(i, 1, j));
                    RigidBody     rb = LocalCreateRigidBody(1f, m, sphereShape);
                    rb.SetActivationState(ActivationState.ISLAND_SLEEPING);
                }
            }

            ClientResetScene();
        }
Пример #2
0
        //----------------------------------------------------------------------------------------------

        public void SetupWorldObjects()
        {
            IndexedVector3 halfExtents = new IndexedVector3(10, 5, 10);
            CollisionShape groundShape = new BoxShape(ref halfExtents);

            IndexedVector3 world1Center = new IndexedVector3(-20, -5, 0);
            IndexedVector3 world2Center = new IndexedVector3(20, -5, 0);

            IndexedMatrix groundTransform1 = IndexedMatrix.CreateTranslation(world1Center);
            IndexedMatrix groundTransform2 = IndexedMatrix.CreateTranslation(world2Center);

            IndexedVector3 halfExtents2  = new IndexedVector3(0.5f);
            CollisionShape smallBoxShape = new BoxShape(ref halfExtents2);

            //IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0,-10,0));
            float mass = 0f;

            LocalCreateRigidBodyMultiWorld(mass, ref groundTransform1, groundShape, m_worlds[0]);
            LocalCreateRigidBodyMultiWorld(mass, ref groundTransform2, groundShape, m_worlds[1]);

            mass = 1f;
            for (int i = 0; i < 5; ++i)
            {
                IndexedVector3 offset = new IndexedVector3(0, halfExtents.Y + halfExtents2.Y + (2 * i), 0);

                IndexedMatrix boxTransform1 = IndexedMatrix.CreateTranslation(world1Center + offset);
                IndexedMatrix boxTransform2 = IndexedMatrix.CreateTranslation(world2Center + offset);

                LocalCreateRigidBodyMultiWorld(mass, ref boxTransform1, smallBoxShape, m_worlds[0]);
                LocalCreateRigidBodyMultiWorld(mass, ref boxTransform2, smallBoxShape, m_worlds[1]);
            }
        }
Пример #3
0
        public override void InitializeDemo()
        {
            //string filename = @"C:\users\man\bullet\xna-motor-output.txt";
            //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
            //BulletGlobals.g_streamWriter = new StreamWriter(filestream);


            m_Time         = 0;
            m_fCyclePeriod = 2000.0f;             // in milliseconds

            // new SIMD solver for joints clips accumulated impulse, so the new limits for the motor
            // should be (numberOfsolverIterations * oldLimits)
            // currently solver uses 10 iterations, so:
            m_fMuscleStrength = 0.5f;

            SetCameraDistance(5.0f);

            m_collisionConfiguration = new DefaultCollisionConfiguration();

            m_dispatcher = new CollisionDispatcher(m_collisionConfiguration);

            m_broadphase = new DbvtBroadphase();
            IOverlappingPairCache pairCache = null;


            m_broadphase = new SimpleBroadphase(1000, pairCache);

            SequentialImpulseConstraintSolver sol = new SequentialImpulseConstraintSolver();

            m_constraintSolver = sol;

            m_dynamicsWorld = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);

            IndexedVector3 gravity = new IndexedVector3(0, -10, 0);

            m_dynamicsWorld.SetGravity(ref gravity);

            m_dynamicsWorld.SetInternalTickCallback(new MotorPreTickCallback(), this, true);


            // Setup a big ground box
            {
                CollisionShape groundShape = new BoxShape(new IndexedVector3(200.0f, 10.0f, 200.0f));
                m_collisionShapes.Add(groundShape);
                IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(0, -10, 0);
                LocalCreateRigidBody(0f, ref groundTransform, groundShape);
            }

            // Spawn one ragdoll
            IndexedVector3 startOffset = new IndexedVector3(1, 0.5f, 0);

            SpawnTestRig(ref startOffset, false);
            startOffset = new IndexedVector3(-2, 0.5f, 0);
            SpawnTestRig(ref startOffset, true);

            ClientResetScene();
        }
Пример #4
0
        public virtual void LoadPlayerController(Entity playerEntity, SceneNode characterNode, object userData, Vector3 mobNodePositionUpdate)
        {
            //if (!initialized)
            //{
            //    characterToLoad = characterNode;
            //    characterEntityToLoad = playerEntity;
            //    JumpHandlerToLoad = jumpHandler;
            //    MobNodePositionUpdateToLoad = mobNodePositionUpdate;
            //    userDataToLoad = userData;
            //    return;
            //}
            if (playerController != null)
            {
                return;
            }
            float modelHeight = 2f;// (playerEntity.BoundingBox.Max.Y) / scaleFactor; // AJ: used to subtract minimum from maximum- playerEntity.BoundingBox.Minimum.y

            System.Console.WriteLine("Player capsule info: modelheight '{0}', boundingbox max '{1}', bounding box min '{2}' and playerPosition '{3}'",
                                     modelHeight, playerEntity.BoundingBox.Max.Y, playerEntity.BoundingBox.Min.Y, characterNode.Position);
            float radius = 1.75f;
            float height = 1.75f;



            ConvexShape capsule = new CapsuleShape(radius, height);

            //ConvexShape capsule = new SphereShape(radius);
            ghostObject = new PairCachingGhostObject();
            Vector3 position = new Vector3(0, 0, 0);//new Vector3(characterNode.Position.X / scaleFactor, (characterNode.Position.Y + 1500) / scaleFactor, characterNode.Position.Z / scaleFactor);
            //IndexedMatrix worldTransform = IndexedMatrix.CreateTranslation(characterNode.Position.X / scaleFactor,
            //    (characterNode.Position.Y + 1500) / scaleFactor, characterNode.Position.Z / scaleFactor);

            IndexedMatrix worldTransform = IndexedMatrix.CreateTranslation(position);

            ghostObject.SetWorldTransform(worldTransform);
            //broadphase.OverlappingPairCache.SetInternalGhostPairCallback(new GhostPairCallback());


            ghostObject.SetCollisionShape(capsule);
            ghostObject.SetCollisionFlags(CollisionFlags.CF_CHARACTER_OBJECT);
            float stepHeight = 0.35f;

            playerController = new KinematicCharacterController(ghostObject, capsule, stepHeight, 1);
            //characterToLoad = null;
            BulletMobState mobMovementState = new BulletMobState(playerController, mobNodePositionUpdate);

            //mobMovementState.JumpEvent += jumpHandler;
            mobControllers.Add(characterNode, mobMovementState);
            //m_dynamicsWorld.AddCollisionObject(ghostObject, CollisionFilterGroups.CharacterFilter, CollisionFilterGroups.StaticFilter | CollisionFilterGroups.DefaultFilter);
            m_dynamicsWorld.AddCollisionObject(ghostObject, CollisionFilterGroups.CharacterFilter, CollisionFilterGroups.StaticFilter | CollisionFilterGroups.DefaultFilter);
            //m_dynamicsWorld.AddCollisionObject(ghostObject, CollisionFilterGroups.DefaultFilter, CollisionFilterGroups.AllFilter);
            m_dynamicsWorld.AddAction(playerController);
            //collisionShapes.Add(capsule);
            //frozenTime = 0;
        }
Пример #5
0
        ////////////////////////////////////////////////////////////////////////////////
        //
        //	TerrainDemo -- private helper methods
        //
        ////////////////////////////////////////////////////////////////////////////////

        /// called whenever key terrain attribute is changed
        public override void ClientResetScene()
        {
            base.ClientResetScene();
            // remove old heightfield
            m_rawHeightfieldData = null;

            // reset gravity to point in appropriate direction
            //m_dynamicsWorld.setGravity(getUpVector(m_upAxis, 0.0f, -s_gravity));
            m_dynamicsWorld.SetGravity(ref m_defaultGravity);

            // get new heightfield of appropriate type
            m_rawHeightfieldData =
                GetRawHeightfieldData(m_model, m_type, ref m_minHeight, ref m_maxHeight);
            Debug.Assert(m_rawHeightfieldData != null, "failed to create raw heightfield");

            if (m_terrainRigidBody != null)
            {
                m_dynamicsWorld.RemoveCollisionObject(m_terrainRigidBody);
                m_terrainRigidBody = null;
                m_terrainShape     = null;
                m_collisionShapes.Remove(m_terrainShape);
            }

            bool flipQuadEdges = false;

            m_terrainShape =
                new HeightfieldTerrainShape(s_gridSize, s_gridSize,
                                            m_rawHeightfieldData,
                                            s_gridHeightScale,
                                            m_minHeight, m_maxHeight,
                                            m_upAxis, m_type, flipQuadEdges);
            Debug.Assert(m_terrainShape != null, "null heightfield");

            // scale the shape
            IndexedVector3 localScaling = GetUpVector(m_upAxis, s_gridSpacing, 1.0f);

            m_terrainShape.SetLocalScaling(ref localScaling);

            // stash this shape away
            m_collisionShapes.Add(m_terrainShape);

            // set origin to middle of heightfield
            IndexedMatrix tr = IndexedMatrix.CreateTranslation(new IndexedVector3(0, -20, 0));

            // create ground object
            float mass = 0.0f;

            m_terrainRigidBody = LocalCreateRigidBody(mass, ref tr, m_terrainShape);

            CollisionShape sphere = new SphereShape(0.5f);

            tr = IndexedMatrix.CreateTranslation(new IndexedVector3(0, 0, 0));

            LocalCreateRigidBody(1f, ref tr, sphere);
        }
Пример #6
0
        public override void InitializeDemo()

        {
            // Setup the basic world

            SetTexturing(true);
            SetShadows(true);

            SetCameraDistance(5.0f);

            m_collisionConfiguration = new DefaultCollisionConfiguration();

            m_dispatcher = new CollisionDispatcher(m_collisionConfiguration);

            IndexedVector3 worldAabbMin = new IndexedVector3(-10000, -10000, -10000);
            IndexedVector3 worldAabbMax = new IndexedVector3(10000, 10000, 10000);

            m_broadphase = new AxisSweep3Internal(ref worldAabbMin, ref worldAabbMax, 0xfffe, 0xffff, 16384, null, true);
            //m_broadphase = new SimpleBroadphase(1000, null);
            m_constraintSolver = new SequentialImpulseConstraintSolver();

            m_dynamicsWorld = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);
            //m_dynamicsWorld.getDispatchInfo().m_useConvexConservativeDistanceUtil = true;
            //m_dynamicsWorld.getDispatchInfo().m_convexConservativeDistanceThreshold = 0.01f;



            // Setup a big ground box
            {
                CollisionShape groundShape = new BoxShape(new IndexedVector3(200.0f, 10.0f, 200.0f));
                m_collisionShapes.Add(groundShape);
                IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(0, -10, 0);

                CollisionObject fixedGround = new CollisionObject();
                fixedGround.SetCollisionShape(groundShape);
                fixedGround.SetWorldTransform(ref groundTransform);
                fixedGround.SetUserPointer("Ground");
                m_dynamicsWorld.AddCollisionObject(fixedGround);
            }

            // Spawn one ragdoll
            IndexedVector3 startOffset = new IndexedVector3(1, 0.5f, 0);


            //string filename = @"c:\users\man\bullet\xna-ragdoll-constraints-output.txt";
            //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
            //BulletGlobals.g_streamWriter = new StreamWriter(filestream);


            SpawnRagdoll(ref startOffset, BulletGlobals.g_streamWriter);
            //startOffset = new IndexedVector3(-1,0.5f,0);
            //spawnRagdoll(ref startOffset);

            ClientResetScene();
        }
Пример #7
0
        //----------------------------------------------------------------------------------------------------------------

        public override void ClientResetScene()
        {
            base.ClientResetScene();
            IndexedMatrix ident = IndexedMatrix.Identity;

            m_carChassis.SetCenterOfMassTransform(ref ident);
            IndexedVector3 zero = IndexedVector3.Zero;

            m_carChassis.SetLinearVelocity(ref zero);
            m_carChassis.SetAngularVelocity(ref zero);
            m_dynamicsWorld.GetBroadphase().GetOverlappingPairCache().CleanProxyFromPairs(m_carChassis.GetBroadphaseHandle(), GetDynamicsWorld().GetDispatcher());
            if (m_liftBody != null)
            {
                IndexedMatrix liftTrans = IndexedMatrix.CreateTranslation(m_liftStartPos);
                m_liftBody.Activate();
                m_liftBody.SetCenterOfMassTransform(ref liftTrans);
                m_liftBody.SetLinearVelocity(ref zero);
                m_liftBody.SetAngularVelocity(ref zero);
            }

            if (m_forkBody != null)
            {
                IndexedMatrix forkTrans = IndexedMatrix.CreateTranslation(m_forkStartPos);
                m_forkBody.Activate();
                m_forkBody.SetCenterOfMassTransform(ref forkTrans);
                m_forkBody.SetLinearVelocity(ref zero);
                m_forkBody.SetAngularVelocity(ref zero);
            }

            if (m_liftHinge != null)
            {
                //	m_liftHinge.setLimit(-LIFT_EPS, LIFT_EPS);
                m_liftHinge.SetLimit(0.0f, 0.0f);
                m_liftHinge.EnableAngularMotor(false, 0, 0);
            }

            if (m_forkSlider != null)
            {
                m_forkSlider.SetLowerLinLimit(0.1f);
                m_forkSlider.SetUpperLinLimit(0.1f);
                m_forkSlider.SetPoweredLinMotor(false);
            }

            if (m_loadBody != null)
            {
                IndexedMatrix loadTrans = IndexedMatrix.CreateTranslation(m_loadStartPos);
                m_loadBody.Activate();
                m_loadBody.SetCenterOfMassTransform(ref loadTrans);
                m_loadBody.SetLinearVelocity(ref zero);
                m_loadBody.SetAngularVelocity(ref zero);
            }
        }
Пример #8
0
        public override void InitializeDemo()
        {
            SetCameraDistance(50f);

            m_collisionConfiguration = new DefaultCollisionConfiguration();

            ///use the default collision dispatcher. For parallel processing you can use a diffent dispatcher (see Extras/BulletMultiThreaded)
            m_dispatcher = new CollisionDispatcher(m_collisionConfiguration);


            IndexedVector3 worldMin = new IndexedVector3(-1000, -1000, -1000);
            IndexedVector3 worldMax = -worldMin;
            //m_broadphase = new AxisSweep3Internal(ref worldMin, ref worldMax, 0xfffe, 0xffff, 16384, null, false);

            //m_broadphase = new DbvtBroadphase();
            IOverlappingPairCache pairCache = null;

            //pairCache = new SortedOverlappingPairCache();

            m_broadphase = new SimpleBroadphase(1000, pairCache);

            ///the default constraint solver. For parallel processing you can use a different solver (see Extras/BulletMultiThreaded)
            SequentialImpulseConstraintSolver sol = new SequentialImpulseConstraintSolver();

            m_constraintSolver = sol;

            m_dynamicsWorld = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);

            IndexedVector3 gravity = new IndexedVector3(0, -10, 0);

            m_dynamicsWorld.SetGravity(ref gravity);

            ///create a few basic rigid bodies
            IndexedVector3 halfExtents = new IndexedVector3(50, 50, 50);
            //IndexedVector3 halfExtents = new IndexedVector3(10, 10, 10);
            CollisionShape groundShape = new BoxShape(ref halfExtents);

            //CollisionShape groundShape = new StaticPlaneShape(new IndexedVector3(0,1,0), 50);

            m_collisionShapes.Add(groundShape);

            IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, -50, 0));
            //IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0,-10,0));
            float mass = 0f;

            LocalCreateRigidBody(mass, ref groundTransform, groundShape);
            CollisionShape shape        = SetupShape();
            IndexedMatrix  objTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, 2, 0));

            LocalCreateRigidBody(mass, ref objTransform, shape);
            //ClientResetScene();
        }
Пример #9
0
        public override void InitializeDemo()
        {
            m_maxIterations = 500;
            SetCameraDistance(SCALING * 50f);

            //string filename = @"E:\users\man\bullet\xna-basic-output-1.txt";
            //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
            //BulletGlobals.g_streamWriter = new StreamWriter(filestream);

            ///collision configuration contains default setup for memory, collision setup
            m_collisionConfiguration = new DefaultCollisionConfiguration();

            ///use the default collision dispatcher. For parallel processing you can use a diffent dispatcher (see Extras/BulletMultiThreaded)
            m_dispatcher = new CollisionDispatcher(m_collisionConfiguration);

            m_broadphase = new DbvtBroadphase();
            IOverlappingPairCache pairCache = null;
            //pairCache = new SortedOverlappingPairCache();

            //m_broadphase = new SimpleBroadphase(1000, pairCache);

            ///the default constraint solver. For parallel processing you can use a different solver (see Extras/BulletMultiThreaded)
            SequentialImpulseConstraintSolver sol = new SequentialImpulseConstraintSolver();

            m_constraintSolver = sol;

            m_dynamicsWorld = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);

            IndexedVector3 gravity = new IndexedVector3(0, -10, 0);

            m_dynamicsWorld.SetGravity(ref gravity);

            ///create a few basic rigid bodies
            IndexedVector3 halfExtents = new IndexedVector3(50, 50, 50);
            //IndexedVector3 halfExtents = new IndexedVector3(10, 10, 10);
            CollisionShape groundShape = new BoxShape(ref halfExtents);

            //CollisionShape groundShape = new StaticPlaneShape(new IndexedVector3(0,1,0), 50);

            m_collisionShapes.Add(groundShape);

            IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, -52, 0));
            //IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0,-10,0));
            float mass = 0f;

            LocalCreateRigidBody(mass, ref groundTransform, groundShape);

            CreateScene5(20);

            ClientResetScene();
        }
Пример #10
0
        private void CreateScene5(int dim)
        {
            BoxShape boxShape = new BoxShape(new IndexedVector3(0.5f));
            float    mass     = 1.0f;

            for (int x = 0; x < dim; x++)
            {
                for (int e = x; e < dim; e++)
                {
                    //IndexedVector3 pos = new IndexedVector3(e - 0.5f * x, x * 1.01f - 14, 25);
                    IndexedVector3 pos = new IndexedVector3(e - 0.5f * x, x * 1.0f, 0);
                    RigidBody      rb  = LocalCreateRigidBody(mass, IndexedMatrix.CreateTranslation(pos), boxShape);
                    //m_dynamicsWorld.AddRigidBody(rb);
                }
            }
        }
Пример #11
0
	    public static void IntegrateTransform(ref IndexedMatrix curTrans,ref IndexedVector3 linvel,ref IndexedVector3 angvel,float timeStep,out IndexedMatrix predictedTransform)
	    {
            predictedTransform = IndexedMatrix.CreateTranslation(curTrans._origin + linvel * timeStep);
    //	#define QUATERNION_DERIVATIVE
	    #if QUATERNION_DERIVATIVE
            IndexedVector3 pos;
            IndexedQuaternion predictedOrn;
            IndexedVector3 scale;

            curTrans.Decompose(ref scale, ref predictedOrn, ref pos);


		    predictedOrn += (angvel * predictedOrn) * (timeStep * .5f));
		    predictedOrn.Normalize();
        #else
            //Exponential map
		    //google for "Practical Parameterization of Rotations Using the Exponential Map", F. Sebastian Grassia

		    IndexedVector3 axis;
		    float	fAngle = angvel.Length(); 
		    //limit the angular motion
		    if (fAngle*timeStep > ANGULAR_MOTION_THRESHOLD)
		    {
			    fAngle = ANGULAR_MOTION_THRESHOLD / timeStep;
		    }

		    if ( fAngle < 0.001f )
		    {
			    // use Taylor's expansions of sync function
			    axis   = angvel*( 0.5f*timeStep-(timeStep*timeStep*timeStep)*(0.020833333333f)*fAngle*fAngle );
		    }
		    else
		    {
			    // sync(fAngle) = sin(c*fAngle)/t
			    axis   = angvel*( (float)Math.Sin(0.5f*fAngle*timeStep)/fAngle );
		    }
		    IndexedQuaternion dorn = new IndexedQuaternion(axis.X,axis.Y,axis.Z,(float)Math.Cos( fAngle*timeStep*.5f) );

            IndexedQuaternion orn0 = curTrans.GetRotation();

		    IndexedQuaternion predictedOrn = dorn * orn0;
		    predictedOrn.Normalize();
	    #endif

            IndexedMatrix newMatrix = IndexedMatrix.CreateFromQuaternion(predictedOrn);
            predictedTransform._basis = newMatrix._basis;
	    }
Пример #12
0
        public override void InitializeDemo()
        {
            base.InitializeDemo();
            SetCameraDistance(SCALING * 50f);

            //string filename = @"e:\users\man\bullet\xna-largemesh-output.txt";
            //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
            //BulletGlobals.g_streamWriter = new StreamWriter(filestream);

            ///collision configuration contains default setup for memory, collision setup
            m_collisionConfiguration = new DefaultCollisionConfiguration();

            ///use the default collision dispatcher. For parallel processing you can use a diffent dispatcher (see Extras/BulletMultiThreaded)
            m_dispatcher = new CollisionDispatcher(m_collisionConfiguration);

            m_broadphase = new DbvtBroadphase();
            IOverlappingPairCache pairCache = null;

            //pairCache = new SortedOverlappingPairCache();

            m_broadphase = new SimpleBroadphase(1000, pairCache);

            ///the default constraint solver. For parallel processing you can use a different solver (see Extras/BulletMultiThreaded)
            SequentialImpulseConstraintSolver sol = new SequentialImpulseConstraintSolver();

            m_constraintSolver = sol;

            m_dynamicsWorld = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);

            IndexedVector3 gravity = new IndexedVector3(0, -10, 0);

            m_dynamicsWorld.SetGravity(ref gravity);

            ///create a few basic rigid bodies
            IndexedVector3 halfExtents = new IndexedVector3(50, 50, 50);
            //IndexedVector3 halfExtents = new IndexedVector3(10, 10, 10);
            //CollisionShape groundShape = new BoxShape(ref halfExtents);
            //CollisionShape groundShape = new StaticPlaneShape(IndexedVector3.Up, 50);
            CollisionShape groundShape = BuildLargeMesh();

            m_collisionShapes.Add(groundShape);

            IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, 0, 0));
            //IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0,-10,0));
            //IndexedMatrix rotateMatrix = IndexedMatrix.CreateFromYawPitchRoll(0, MathUtil.SIMD_PI / 2.0f, 0);
            //IndexedMatrix rotateMatrix = IndexedMatrix.Identity;
            IndexedMatrix rotateMatrix = IndexedMatrix.Identity;

            rotateMatrix._basis.SetEulerZYX(0, 0, MathUtil.SIMD_PI * 0.7f);


            rotateMatrix._origin = IndexedVector3.Zero;
            float mass = 0f;

            LocalCreateRigidBody(mass, ref rotateMatrix, groundShape);


            CollisionShape boxShape = new BoxShape(new IndexedVector3(0.2f, 0.2f, 0.2f));
            //CollisionShape boxShape = new SphereShape(0.2f);
            //CollisionShape boxShape = new CylinderShapeX(new IndexedVector3(0.2f, 0.4f, 0.2f));
            //CollisionShape boxShape = new CapsuleShape(0.2f, 0.4f);
            IndexedMatrix boxTransform = IndexedMatrix.Identity;

            boxTransform._basis.SetEulerZYX(MathUtil.SIMD_PI * 0.2f, MathUtil.SIMD_PI * 0.4f, MathUtil.SIMD_PI * 0.7f);
            boxTransform._origin = new IndexedVector3(0.0f, 5.0f, 0.0f);


            LocalCreateRigidBody(1.25f, boxTransform, boxShape);

            ClientResetScene();
        }
Пример #13
0
        public override void InitializeDemo()
        {
            base.InitializeDemo();
            SetCameraDistance(50f);

            //string filename = @"E:\users\man\bullet\xna-basic-output-1.txt";
            //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
            //BulletGlobals.g_streamWriter = new StreamWriter(filestream);

            ///collision configuration contains default setup for memory, collision setup
            m_collisionConfiguration = new DefaultCollisionConfiguration();

            ///use the default collision dispatcher. For parallel processing you can use a diffent dispatcher (see Extras/BulletMultiThreaded)
            m_dispatcher = new CollisionDispatcher(m_collisionConfiguration);

            IndexedVector3 worldMin = new IndexedVector3(-1000, -1000, -1000);
            IndexedVector3 worldMax = -worldMin;

            m_broadphase = new AxisSweep3Internal(ref worldMin, ref worldMax, 0xfffe, 0xffff, 16384, null, false);
            //pairCache = new SortedOverlappingPairCache();

            //m_broadphase = new SimpleBroadphase(1000, pairCache);

            ///the default constraint solver. For parallel processing you can use a different solver (see Extras/BulletMultiThreaded)
            SequentialImpulseConstraintSolver sol = new SequentialImpulseConstraintSolver();

            m_constraintSolver = sol;

            m_dynamicsWorld = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);
            m_dynamicsWorld.GetDispatchInfo().SetAllowedCcdPenetration(0.0001f);

            IndexedVector3 gravity = new IndexedVector3(0, -10, 0);

            m_dynamicsWorld.SetGravity(ref gravity);

            ///create a few basic rigid bodies
            IndexedVector3 halfExtents = new IndexedVector3(50, 50, 50);
            //IndexedVector3 halfExtents = new IndexedVector3(10, 10, 10);
            CollisionShape groundShape = new BoxShape(ref halfExtents);

            //CollisionShape groundShape = new StaticPlaneShape(new IndexedVector3(0,1,0), 50);

            m_collisionShapes.Add(groundShape);

            IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, -50, 0));
            //IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0,-10,0));
            float mass = 0f;

            LocalCreateRigidBody(mass, ref groundTransform, groundShape);



            #region CharacterController
            IndexedMatrix startTransform = IndexedMatrix.Identity;
            //startTransform.setOrigin (btVector3(0.0, 4.0, 0.0));
            startTransform._origin = new IndexedVector3(10.210098f, -1.6433364f, 16.453260f);

            m_ghostObject = new PairCachingGhostObject();
            m_ghostObject.SetWorldTransform(startTransform);
            m_broadphase.GetOverlappingPairCache().SetInternalGhostPairCallback(new GhostPairCallback());
            float       characterHeight = 1.75f;
            float       characterWidth  = 1.75f;
            ConvexShape capsule         = new CapsuleShape(characterWidth, characterHeight);
            m_ghostObject.SetCollisionShape(capsule);
            m_ghostObject.SetCollisionFlags(CollisionFlags.CF_CHARACTER_OBJECT);

            float stepHeight = 0.35f;
            int   upAxis     = 1;
            m_character = new KinematicCharacterController(m_ghostObject, capsule, stepHeight, upAxis);

            m_dynamicsWorld.AddCollisionObject(m_ghostObject, CollisionFilterGroups.CharacterFilter, CollisionFilterGroups.StaticFilter | CollisionFilterGroups.DefaultFilter);
            m_dynamicsWorld.AddAction(m_character);

            #endregion
        }
Пример #14
0
        public virtual void LoadHeightField(float[,] heights, float heightRange, uint vertsX, uint vertsZ, Vector3 loc, int metersPerSample)
        {
            //if (worldLoaded == false || metersPerSample > 2)
            //    return;
            loc = loc / scaleFactor;
            //heightRange = heightRange * 1000;
            //loc.X += heightFieldOffset;
            //loc.z += heightFieldOffset; // these axes are out by about 1m?
            if (heightFields.ContainsKey(loc))
            {
                int oldMetersPerSample = heightFields[loc];
                if (oldMetersPerSample == metersPerSample)
                {
                    return; // no need to update
                }
                else
                {
                    // we need to delete the old one to rebuild this one
                    foreach (CollisionObject a in m_dynamicsWorld.GetCollisionObjectArray())
                    {
                        if (a.GetCollisionShape() != null && a.GetCollisionShape().GetShapeType() == BroadphaseNativeTypes.TERRAIN_SHAPE_PROXYTYPE)
                        {
                            string terrainName = (string)a.GetUserPointer();
                            if (terrainName == "TestHeightField_" + loc)
                            {
                                a.Cleanup();
                                heightFields.Remove(loc);
                                System.Console.WriteLine("Removed heightmap at position '{0}' with metersPerSample: '{1}' and old: '{2}'",
                                                         loc, metersPerSample, oldMetersPerSample);
                                break;
                            }
                        }
                    }
                }
            }
            byte[]       terr   = new byte[vertsX * vertsZ * 4];
            MemoryStream file   = new MemoryStream(terr);
            BinaryWriter writer = new BinaryWriter(file);

            for (int i = 0; i < vertsX; i++)
            {
                for (int j = 0; j < vertsZ; j++)
                {
                    writer.Write((float)((heightRange / 2) + 4 * Math.Sin(j * 0.5f) * Math.Cos(i)));
                    //writer.Write(0f);
                }
            }
            writer.Flush();
            file.Position = 0;
            float              heightScale       = heightRange / 32767f / scaleFactor;
            int                upAxis            = 1;
            CollisionShape     terrainShape      = new HeightfieldTerrainShape((int)vertsX, (int)vertsZ, terr, heightScale, 0, heightRange, upAxis, PHY_ScalarType.PHY_FLOAT, true);
            IndexedMatrix      worldTransform    = IndexedMatrix.CreateTranslation(loc);
            DefaultMotionState objectMotionState = new DefaultMotionState(worldTransform, IndexedMatrix.Identity);

            //terrainShape = new StaticPlaneShape(Vector3.Up, 0f);
            //IndexedVector3 halfExtents = new IndexedVector3(50, 50, 50);

            //terrainShape = new BoxShape(ref halfExtents);

            RigidBodyConstructionInfo rbInfo = new RigidBodyConstructionInfo(0, objectMotionState, terrainShape);
            RigidBody terrain = new RigidBody(rbInfo);


            //IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, -50, 0));
            IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, -5, 0));

            LocalCreateRigidBody(0f, groundTransform, terrainShape);

            terrain.SetUserPointer("TestHeightField_" + loc.ToString());
            //terrain.SetCollisionFlags(CollisionFlags.CF_KINEMATIC_OBJECT);
            ////m_dynamicsWorld.AddCollisionObject(terrain, CollisionFilterGroups.DefaultFilter, CollisionFilterGroups.AllFilter);
            //m_dynamicsWorld.AddCollisionObject(terrain);


            System.Console.WriteLine("Added heightmap at position: '{0}' with metersPerSample: '{1}'", loc, metersPerSample);
            heightFields.Add(loc, metersPerSample);
        }
Пример #15
0
        //-----------------------------------------------------------------------------------------------

        public override void InitializeDemo()
        {
            //string filename = @"C:\users\man\bullett\xna-concave-output.txt";
            //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
            //BulletGlobals.g_streamWriter = new StreamWriter(filestream);


            m_animatedMesh = true;
            base.InitializeDemo();
            int totalTriangles = 2 * (NUM_VERTS_X - 1) * (NUM_VERTS_Y - 1);

            gVertices = new ObjectArray <IndexedVector3>(totalVerts);
            int indicesTotal = totalTriangles * 3;

            gIndices = new ObjectArray <int>(indicesTotal);

            //BulletGlobals.gContactAddedCallback = new CustomMaterialCombinerCallback();

            SetVertexPositions(waveheight, 0f);

            int vertStride  = 1;
            int indexStride = 3;

            int index = 0;

            for (int i = 0; i < NUM_VERTS_X - 1; i++)
            {
                for (int j = 0; j < NUM_VERTS_Y - 1; j++)
                {
                    gIndices[index++] = j * NUM_VERTS_X + i;
                    gIndices[index++] = j * NUM_VERTS_X + i + 1;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;

                    gIndices[index++] = j * NUM_VERTS_X + i;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i;
                }
            }

            if (BulletGlobals.g_streamWriter != null)
            {
                index = 0;
                BulletGlobals.g_streamWriter.WriteLine("setIndexPositions");
                for (int i = 0; i < gIndices.Count; i++)
                {
                    BulletGlobals.g_streamWriter.WriteLine(String.Format("{0} {1}", i, gIndices[i]));
                }
            }


            TriangleIndexVertexArray indexVertexArrays = new TriangleIndexVertexArray(totalTriangles,
                                                                                      gIndices, indexStride, totalVerts, gVertices, vertStride);

            bool useQuantizedAabbCompression = true;


            OptimizedBvh   bvh     = new OptimizedBvh();
            IndexedVector3 aabbMin = new IndexedVector3(-1000, -1000, -1000);
            IndexedVector3 aabbMax = new IndexedVector3(1000, 1000, 1000);

            m_trimeshShape = new BvhTriangleMeshShape(indexVertexArrays, useQuantizedAabbCompression, ref aabbMin, ref aabbMax, true);
            //CollisionShape trimeshShape = new TriangleMeshShape(indexVertexArrays);

            IndexedVector3 scaling = IndexedVector3.One;
            //m_trimeshShape.SetOptimizedBvh(bvh, ref scaling);

            //BulletWorldImporter import = new BulletWorldImporter(0);//don't store info into the world
            //if (import.loadFile("myShape.bullet"))
            //{
            //    int numBvh = import.getNumBvhs();
            //    if (numBvh != 0)
            //    {
            //        OptimizedBvh bvh = import.getBvhByIndex(0);
            //        IndexedVector3 aabbMin = new IndexedVector3(-1000,-1000,-1000);
            //        IndexedVector3 aabbMax = new IndexedVector3(1000,1000,1000);

            //        trimeshShape = new indexVertexArrays,useQuantizedAabbCompression,ref aabbMin,ref aabbMax,false);
            //        IndexedVector3 scaling = IndexedVector3.One;
            //        trimeshShape.setOptimizedBvh(bvh, ref scaling);
            //        //trimeshShape  = new btBvhTriangleMeshShape(m_indexVertexArrays,useQuantizedAabbCompression,aabbMin,aabbMax);
            //        //trimeshShape.setOptimizedBvh(bvh);

            //    }
            //    int numShape = import.getNumCollisionShapes();
            //    if (numShape != 0)
            //    {
            //        trimeshShape = (BvhTriangleMeshShape)import.getCollisionShapeByIndex(0);

            //        //if you know the name, you can also try to get the shape by name:
            //        String meshName = import.getNameForPointer(trimeshShape);
            //        if (meshName != null)
            //        {
            //            trimeshShape = (BvhTriangleMeshShape)import.getCollisionShapeByName(meshName);
            //        }

            //    }
            //}


            //CollisionShape groundShape = trimeshShape;//m_trimeshShape;
            CollisionShape groundShape = m_trimeshShape;//m_trimeshShape;

            //groundShape = new TriangleShape(new IndexedVector3(0,` 0, 100), new IndexedVector3(100, 0, 0),new IndexedVector3(-100, 0, -100));
            //groundShape = new StaticPlaneShape(IndexedVector3.Up, 0f);
            //groundShape = new BoxShape(new IndexedVector3(100f, 0.1f, 100f));
            IndexedVector3 up = new IndexedVector3(0.4f, 1, 0);

            up.Normalize();
            //groundShape = new StaticPlaneShape(up, 0f);
            //groundShape = new TriangleMeshShape(indexVertexArrays);

            m_collisionConfiguration = new DefaultCollisionConfiguration();
            m_dispatcher             = new      CollisionDispatcher(m_collisionConfiguration);

            IndexedVector3 worldMin = new IndexedVector3(-1000, -1000, -1000);
            IndexedVector3 worldMax = new IndexedVector3(1000, 1000, 1000);

            //m_broadphase = new AxisSweep3Internal(ref worldMin, ref worldMax, 0xfffe, 0xffff, 16384, null, false);
            m_broadphase       = new DbvtBroadphase();
            m_constraintSolver = new SequentialImpulseConstraintSolver();
            m_dynamicsWorld    = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);

            float         mass           = 0f;
            IndexedMatrix startTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(2, -2, 0));

            //CompoundShape colShape = new CompoundShape();
            //IndexedVector3 halfExtents = new IndexedVector3(4, 1, 1);
            //CollisionShape cylinderShape = new CylinderShapeX(ref halfExtents);
            //CollisionShape boxShape = new BoxShape(new IndexedVector3(4, 1, 1));
            //IndexedMatrix localTransform = IndexedMatrix.Identity;
            //colShape.addChildShape(ref localTransform, boxShape);
            //Quaternion orn = Quaternion.CreateFromYawPitchRoll(MathUtil.SIMD_HALF_PI, 0f, 0f);
            //localTransform = IndexedMatrix.CreateFromQuaternion(orn);
            //colShape.addChildShape(ref localTransform, cylinderShape);

            ////BoxShape colShape = new BoxShape(new IndexedVector3(1, 1, 1));


            //int numCollideObjects = 1;
            //m_collisionShapes.Add(colShape);
            //{
            //    for (int i = 0; i < numCollideObjects; i++)
            //    {
            //        startTransform._origin = new IndexedVector3(4,10+i*2,1);
            //        localCreateRigidBody(1, ref startTransform,colShape);
            //    }
            //}

            CollisionShape boxShape = new BoxShape(new IndexedVector3(1, 1, 1));

            //CollisionShape boxShape = new SphereShape(1);
            //CollisionShape boxShape = new SphereShape(1);
            //CollisionShape boxShape = new CapsuleShapeZ(0.5f, 1);
            m_collisionShapes.Add(boxShape);
            for (int i = 0; i < 1; i++)
            {
                startTransform._origin = new IndexedVector3(2f * i, 5, 1);
                LocalCreateRigidBody(1, ref startTransform, boxShape);
            }


            startTransform = IndexedMatrix.Identity;
            staticBody     = LocalCreateRigidBody(mass, ref startTransform, groundShape);

            staticBody.SetCollisionFlags(staticBody.GetCollisionFlags() | CollisionFlags.CF_KINEMATIC_OBJECT);            //STATIC_OBJECT);

            //enable custom material callback
            staticBody.SetCollisionFlags(staticBody.GetCollisionFlags() | CollisionFlags.CF_CUSTOM_MATERIAL_CALLBACK);

            //clientResetScene();
        }
Пример #16
0
        public void DropBall()
        {
            RigidBody rb = LocalCreateRigidBody(1f, IndexedMatrix.CreateTranslation(m_ballDropSpot), m_dropSphereShape);

            rb.SetLinearFactor(new IndexedVector3(1, 1, 0));
        }
        public void Warp(ref IndexedVector3 origin)
        {
            IndexedMatrix m = IndexedMatrix.CreateTranslation(origin);

            m_ghostObject.SetWorldTransform(ref m);
        }
Пример #18
0
            public RagDoll(RagDollDemo ragDollDemo, DynamicsWorld ownerWorld, ref IndexedVector3 positionOffset, StreamWriter streamWriter)

            {
                m_ownerWorld  = ownerWorld;
                m_ragDollDemo = ragDollDemo;
                // Setup the geometry
                m_shapes[(int)BODYPART.PELVIS]          = new CapsuleShape(0.15f, 0.20f);
                m_shapes[(int)BODYPART.SPINE]           = new CapsuleShape(0.15f, 0.28f);
                m_shapes[(int)BODYPART.HEAD]            = new CapsuleShape(0.10f, 0.05f);
                m_shapes[(int)BODYPART.LEFT_UPPER_LEG]  = new CapsuleShape(0.07f, 0.45f);
                m_shapes[(int)BODYPART.LEFT_LOWER_LEG]  = new CapsuleShape(0.05f, 0.37f);
                m_shapes[(int)BODYPART.RIGHT_UPPER_LEG] = new CapsuleShape(0.07f, 0.45f);
                m_shapes[(int)BODYPART.RIGHT_LOWER_LEG] = new CapsuleShape(0.05f, 0.37f);
                m_shapes[(int)BODYPART.LEFT_UPPER_ARM]  = new CapsuleShape(0.05f, 0.33f);
                m_shapes[(int)BODYPART.LEFT_LOWER_ARM]  = new CapsuleShape(0.04f, 0.25f);
                m_shapes[(int)BODYPART.RIGHT_UPPER_ARM] = new CapsuleShape(0.05f, 0.33f);
                m_shapes[(int)BODYPART.RIGHT_LOWER_ARM] = new CapsuleShape(0.04f, 0.25f);

                // Setup all the rigid bodies
                IndexedMatrix offset = IndexedMatrix.CreateTranslation(positionOffset);

                IndexedMatrix transform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, 1, 0));

                IndexedMatrix adjusted = offset * transform;

                m_bodies[(int)BODYPART.PELVIS] = m_ragDollDemo.LocalCreateRigidBody(1f, adjusted, m_shapes[(int)BODYPART.PELVIS], true);
                m_bodies[(int)BODYPART.PELVIS].SetUserPointer("PELVIS");
                transform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, 1.2f, 0));
                adjusted  = offset * transform;
                m_bodies[(int)BODYPART.SPINE] = m_ragDollDemo.LocalCreateRigidBody(1f, adjusted, m_shapes[(int)BODYPART.SPINE], true);
                m_bodies[(int)BODYPART.SPINE].SetUserPointer("SPINE");

                transform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, 1.6f, 0));
                adjusted  = offset * transform;
                m_bodies[(int)BODYPART.HEAD] = m_ragDollDemo.LocalCreateRigidBody(1f, adjusted, m_shapes[(int)BODYPART.HEAD], true);
                m_bodies[(int)BODYPART.HEAD].SetUserPointer("HEAD");

                transform = IndexedMatrix.CreateTranslation(new IndexedVector3(-0.18f, 0.65f, 0));
                adjusted  = offset * transform
                ;
                m_bodies[(int)BODYPART.LEFT_UPPER_LEG] = m_ragDollDemo.LocalCreateRigidBody(1f, adjusted, m_shapes[(int)BODYPART.LEFT_UPPER_LEG], true);
                m_bodies[(int)BODYPART.LEFT_UPPER_LEG].SetUserPointer("LEFTUPPERLEG");

                transform = IndexedMatrix.CreateTranslation(new IndexedVector3(-0.18f, 0.2f, 0));
                adjusted  = offset * transform;
                m_bodies[(int)BODYPART.LEFT_LOWER_LEG] = m_ragDollDemo.LocalCreateRigidBody(1f, adjusted, m_shapes[(int)BODYPART.LEFT_LOWER_LEG], true);
                m_bodies[(int)BODYPART.LEFT_LOWER_LEG].SetUserPointer("LEFTLOWERLEG");

                transform = IndexedMatrix.CreateTranslation(new IndexedVector3(0.18f, 0.65f, 0));
                adjusted  = offset * transform;
                m_bodies[(int)BODYPART.RIGHT_UPPER_LEG] = m_ragDollDemo.LocalCreateRigidBody(1f, adjusted, m_shapes[(int)BODYPART.RIGHT_UPPER_LEG], true);
                m_bodies[(int)BODYPART.RIGHT_UPPER_LEG].SetUserPointer("RIGHTUPPERLEG");

                transform = IndexedMatrix.CreateTranslation(new IndexedVector3(0.18f, 0.2f, 0));
                adjusted  = offset * transform;
                m_bodies[(int)BODYPART.RIGHT_LOWER_LEG] = m_ragDollDemo.LocalCreateRigidBody(1f, adjusted, m_shapes[(int)BODYPART.RIGHT_LOWER_LEG], true);
                m_bodies[(int)BODYPART.RIGHT_LOWER_LEG].SetUserPointer("RIGHTLOWERLEG");

                transform         = MathUtil.SetEulerZYX(0, 0, MathUtil.SIMD_HALF_PI);
                transform._origin = new IndexedVector3(-0.35f, 1.45f, 0);
                adjusted          = offset * transform;
                m_bodies[(int)BODYPART.LEFT_UPPER_ARM] = m_ragDollDemo.LocalCreateRigidBody(1f, adjusted, m_shapes[(int)BODYPART.LEFT_UPPER_ARM], true);
                m_bodies[(int)BODYPART.LEFT_UPPER_ARM].SetUserPointer("LEFTUPPERARM");

                transform         = MathUtil.SetEulerZYX(0, 0, MathUtil.SIMD_HALF_PI);
                transform._origin = new IndexedVector3(-0.7f, 1.45f, 0);
                adjusted          = offset * transform;
                m_bodies[(int)BODYPART.LEFT_LOWER_ARM] = m_ragDollDemo.LocalCreateRigidBody(1f, adjusted, m_shapes[(int)BODYPART.LEFT_LOWER_ARM], true);
                m_bodies[(int)BODYPART.LEFT_LOWER_ARM].SetUserPointer("LEFTLOWERARM");

                transform         = MathUtil.SetEulerZYX(0, 0, -MathUtil.SIMD_HALF_PI);
                transform._origin = new IndexedVector3(0.35f, 1.45f, 0);
                adjusted          = offset * transform;
                m_bodies[(int)BODYPART.RIGHT_UPPER_ARM] = m_ragDollDemo.LocalCreateRigidBody(1f, adjusted, m_shapes[(int)BODYPART.RIGHT_UPPER_ARM], true);
                m_bodies[(int)BODYPART.RIGHT_UPPER_ARM].SetUserPointer("RIGHTUPPERARM");

                transform         = MathUtil.SetEulerZYX(0, 0, -MathUtil.SIMD_HALF_PI);
                transform._origin = new IndexedVector3(0.7f, 1.45f, 0);
                adjusted          = offset * transform;
                m_bodies[(int)BODYPART.RIGHT_LOWER_ARM] = m_ragDollDemo.LocalCreateRigidBody(1f, adjusted, m_shapes[(int)BODYPART.RIGHT_LOWER_ARM], true);
                m_bodies[(int)BODYPART.RIGHT_LOWER_ARM].SetUserPointer("RIGHTLOWERARM");

                // Setup some damping on the m_bodies
                for (int i = 0; i < (int)BODYPART.COUNT; ++i)
                {
                    if (m_bodies[i] != null)
                    {
                        //m_bodies[i].SetDamping(0.05f, 0.85f);
                        m_bodies[i].SetDamping(0.5f, 0.85f);
                        m_bodies[i].SetDeactivationTime(0.8f);
                        m_bodies[i].SetSleepingThresholds(1.6f, 2.5f);
                    }
                }

                // Now setup the constraints
                HingeConstraint     hingeC;
                ConeTwistConstraint coneC;

                IndexedMatrix localA = IndexedMatrix.Identity;
                IndexedMatrix localB = IndexedMatrix.Identity;

                localA         = MathUtil.SetEulerZYX(0, MathUtil.SIMD_HALF_PI, 0);
                localA._origin = new IndexedVector3(0.0f, 0.15f, 0.0f);
                localB         = MathUtil.SetEulerZYX(0, MathUtil.SIMD_HALF_PI, 0);
                localB._origin = new IndexedVector3(0.0f, -0.15f, 0.0f);
                hingeC         = new HingeConstraint(m_bodies[(int)BODYPART.PELVIS], m_bodies[(int)BODYPART.SPINE], ref localA, ref localB);
                hingeC.SetLimit(-MathUtil.SIMD_QUARTER_PI, MathUtil.SIMD_HALF_PI);
                m_joints[(int)JOINT.PELVIS_SPINE]             = hingeC;
                m_joints[(int)JOINT.PELVIS_SPINE].m_debugName = "PELVIS_SPINE";
                hingeC.SetDbgDrawSize(CONSTRAINT_DEBUG_SIZE);

                m_ownerWorld.AddConstraint(m_joints[(int)JOINT.PELVIS_SPINE], true);


                localA         = MathUtil.SetEulerZYX(0, 0, MathUtil.SIMD_HALF_PI);
                localA._origin = new IndexedVector3(0.0f, 0.30f, 0.0f);
                localB         = MathUtil.SetEulerZYX(0, 0, MathUtil.SIMD_HALF_PI);
                localB._origin = new IndexedVector3(0.0f, -0.14f, 0.0f);
                coneC          = new ConeTwistConstraint(m_bodies[(int)BODYPART.SPINE], m_bodies[(int)BODYPART.HEAD], ref localA, ref localB);
                coneC.SetLimit(MathUtil.SIMD_QUARTER_PI, MathUtil.SIMD_QUARTER_PI, MathUtil.SIMD_HALF_PI);
                m_joints[(int)JOINT.SPINE_HEAD]             = coneC;
                m_joints[(int)JOINT.SPINE_HEAD].m_debugName = "SPINE_HEAD";

                coneC.SetDbgDrawSize(CONSTRAINT_DEBUG_SIZE);

                m_ownerWorld.AddConstraint(m_joints[(int)JOINT.SPINE_HEAD], true);


                localA         = IndexedMatrix.Identity;
                localB         = IndexedMatrix.Identity;
                localA         = MathUtil.SetEulerZYX(0, 0, -MathUtil.SIMD_QUARTER_PI * 5);
                localA._origin = new IndexedVector3(-0.18f, -0.10f, 0.0f);
                localB         = MathUtil.SetEulerZYX(0, 0, -MathUtil.SIMD_QUARTER_PI * 5);
                localB._origin = new IndexedVector3(0.0f, 0.225f, 0.0f);
                coneC          = new ConeTwistConstraint(m_bodies[(int)BODYPART.PELVIS], m_bodies[(int)BODYPART.LEFT_UPPER_LEG], ref localA, ref localB);
                coneC.SetLimit(MathUtil.SIMD_QUARTER_PI, MathUtil.SIMD_QUARTER_PI, 0);
                m_joints[(int)JOINT.LEFT_HIP]             = coneC;
                m_joints[(int)JOINT.LEFT_HIP].m_debugName = "LEFT_HIP";

                coneC.SetDbgDrawSize(CONSTRAINT_DEBUG_SIZE);

                m_ownerWorld.AddConstraint(m_joints[(int)JOINT.LEFT_HIP], true);

                localA         = MathUtil.SetEulerZYX(0f, MathUtil.SIMD_HALF_PI, 0f);
                localA._origin = new IndexedVector3(0.0f, -0.225f, 0.0f);
                localB         = MathUtil.SetEulerZYX(0, MathUtil.SIMD_HALF_PI, 0);
                localB._origin = new IndexedVector3(0.0f, 0.185f, 0.0f);
                hingeC         = new HingeConstraint(m_bodies[(int)BODYPART.LEFT_UPPER_LEG], m_bodies[(int)BODYPART.LEFT_LOWER_LEG], ref localA, ref localB);
                hingeC.SetLimit(0, MathUtil.SIMD_HALF_PI);
                m_joints[(int)JOINT.LEFT_KNEE]             = hingeC;
                m_joints[(int)JOINT.LEFT_KNEE].m_debugName = "LEFT_KNEE";

                hingeC.SetDbgDrawSize(CONSTRAINT_DEBUG_SIZE);

                m_ownerWorld.AddConstraint(m_joints[(int)JOINT.LEFT_KNEE], true);


                localA         = MathUtil.SetEulerZYX(0, 0, MathUtil.SIMD_QUARTER_PI);
                localA._origin = new IndexedVector3(0.18f, -0.10f, 0.0f);
                localB         = MathUtil.SetEulerZYX(0, 0, MathUtil.SIMD_QUARTER_PI);
                localB._origin = new IndexedVector3(0.0f, 0.225f, 0.0f);
                coneC          = new ConeTwistConstraint(m_bodies[(int)BODYPART.PELVIS], m_bodies[(int)BODYPART.RIGHT_UPPER_LEG], ref localA, ref localB);
                coneC.SetLimit(MathUtil.SIMD_QUARTER_PI, MathUtil.SIMD_QUARTER_PI, 0);
                m_joints[(int)JOINT.RIGHT_HIP]             = coneC;
                m_joints[(int)JOINT.RIGHT_HIP].m_debugName = "RIGHT_HIP";

                coneC.SetDbgDrawSize(CONSTRAINT_DEBUG_SIZE);

                m_ownerWorld.AddConstraint(m_joints[(int)JOINT.RIGHT_HIP], true);

                localA         = MathUtil.SetEulerZYX(0, MathUtil.SIMD_HALF_PI, 0);
                localA._origin = new IndexedVector3(0.0f, -0.225f, 0.0f);
                localB         = MathUtil.SetEulerZYX(0, MathUtil.SIMD_HALF_PI, 0);
                localB._origin = new IndexedVector3(0.0f, 0.185f, 0.0f);
                hingeC         = new HingeConstraint(m_bodies[(int)BODYPART.RIGHT_UPPER_LEG], m_bodies[(int)BODYPART.RIGHT_LOWER_LEG], ref localA, ref localB);
                hingeC.SetLimit(0, MathUtil.SIMD_HALF_PI);
                m_joints[(int)JOINT.RIGHT_KNEE]             = hingeC;
                m_joints[(int)JOINT.RIGHT_KNEE].m_debugName = "RIGHT_KNEE";

                hingeC.SetDbgDrawSize(CONSTRAINT_DEBUG_SIZE);

                m_ownerWorld.AddConstraint(m_joints[(int)JOINT.RIGHT_KNEE], true);


                localA         = MathUtil.SetEulerZYX(0, 0, MathUtil.SIMD_PI);
                localA._origin = new IndexedVector3(-0.2f, 0.15f, 0.0f);
                localB         = MathUtil.SetEulerZYX(0, 0, MathUtil.SIMD_HALF_PI);
                localB._origin = new IndexedVector3(0.0f, -0.18f, 0.0f);
                coneC          = new ConeTwistConstraint(m_bodies[(int)BODYPART.SPINE], m_bodies[(int)BODYPART.LEFT_UPPER_ARM], ref localA, ref localB);
                coneC.SetLimit(MathUtil.SIMD_HALF_PI, MathUtil.SIMD_HALF_PI, 0);
                coneC.SetDbgDrawSize(CONSTRAINT_DEBUG_SIZE);

                m_joints[(int)JOINT.LEFT_SHOULDER]             = coneC;
                m_joints[(int)JOINT.LEFT_SHOULDER].m_debugName = "LEFT_SHOULDER";

                m_ownerWorld.AddConstraint(m_joints[(int)JOINT.LEFT_SHOULDER], true);

                localA         = MathUtil.SetEulerZYX(0, MathUtil.SIMD_HALF_PI, 0);
                localA._origin = new IndexedVector3(0.0f, 0.18f, 0.0f);
                localB         = MathUtil.SetEulerZYX(0, MathUtil.SIMD_HALF_PI, 0);
                localB._origin = new IndexedVector3(0.0f, -0.14f, 0.0f);
                hingeC         = new HingeConstraint(m_bodies[(int)BODYPART.LEFT_UPPER_ARM], m_bodies[(int)BODYPART.LEFT_LOWER_ARM], ref localA, ref localB);
                //		hingeC.setLimit(-MathUtil.SIMD_HALF_PI), 0));
                hingeC.SetLimit(0, MathUtil.SIMD_HALF_PI);
                m_joints[(int)JOINT.LEFT_ELBOW]             = hingeC;
                m_joints[(int)JOINT.LEFT_ELBOW].m_debugName = "LEFT_ELBOW";

                hingeC.SetDbgDrawSize(CONSTRAINT_DEBUG_SIZE);

                m_ownerWorld.AddConstraint(m_joints[(int)JOINT.LEFT_ELBOW], true);

                localA         = MathUtil.SetEulerZYX(0, 0, 0);
                localA._origin = new IndexedVector3(0.2f, 0.15f, 0.0f);
                localB         = MathUtil.SetEulerZYX(0, 0, MathUtil.SIMD_HALF_PI);
                localB._origin = new IndexedVector3(0.0f, -0.18f, 0.0f);
                coneC          = new ConeTwistConstraint(m_bodies[(int)BODYPART.SPINE], m_bodies[(int)BODYPART.RIGHT_UPPER_ARM], ref localA, ref localB);
                coneC.SetLimit(MathUtil.SIMD_HALF_PI, MathUtil.SIMD_HALF_PI, 0);
                m_joints[(int)JOINT.RIGHT_SHOULDER]             = coneC;
                m_joints[(int)JOINT.RIGHT_SHOULDER].m_debugName = "RIGHT_SHOULDER";

                coneC.SetDbgDrawSize(CONSTRAINT_DEBUG_SIZE);

                m_ownerWorld.AddConstraint(m_joints[(int)JOINT.RIGHT_SHOULDER], true);

                localA         = MathUtil.SetEulerZYX(0, MathUtil.SIMD_HALF_PI, 0);
                localA._origin = new IndexedVector3(0.0f, 0.18f, 0.0f);
                localB         = MathUtil.SetEulerZYX(0, MathUtil.SIMD_HALF_PI, 0);
                localB._origin = new IndexedVector3(0.0f, -0.14f, 0.0f);
                hingeC         = new HingeConstraint(m_bodies[(int)BODYPART.RIGHT_UPPER_ARM], m_bodies[(int)BODYPART.RIGHT_LOWER_ARM], ref localA, ref localB);
                //		hingeC.setLimit(-MathUtil.SIMD_HALF_PI), 0));
                hingeC.SetLimit(0, MathUtil.SIMD_HALF_PI);
                m_joints[(int)JOINT.RIGHT_ELBOW]             = hingeC;
                m_joints[(int)JOINT.RIGHT_ELBOW].m_debugName = "RIGHT_ELBOW";

                hingeC.SetDbgDrawSize(CONSTRAINT_DEBUG_SIZE);

                m_ownerWorld.AddConstraint(m_joints[(int)JOINT.RIGHT_ELBOW], true);
            }
Пример #19
0
        public override void InitializeDemo()
        {
            //maxiterations = 10;
            SetCameraDistance(SCALING * 50f);

            //string filename = @"E:\users\man\bullet\xna-basic-output-1.txt";
            //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
            //BulletGlobals.g_streamWriter = new StreamWriter(filestream);

            ///collision configuration contains default setup for memory, collision setup
            m_collisionConfiguration = new DefaultCollisionConfiguration();

            ///use the default collision dispatcher. For parallel processing you can use a diffent dispatcher (see Extras/BulletMultiThreaded)
            m_dispatcher = new CollisionDispatcher(m_collisionConfiguration);


            IndexedVector3 worldMin = new IndexedVector3(-1000, -1000, -1000);
            IndexedVector3 worldMax = -worldMin;

            m_broadphase = new AxisSweep3Internal(ref worldMin, ref worldMax, 0xfffe, 0xffff, 16384, null, false);

            IOverlappingPairCache pairCache = null;

            //pairCache = new SortedOverlappingPairCache();
            pairCache = new HashedOverlappingPairCache();

            m_broadphase = new DbvtBroadphase(pairCache);

            BulletGlobals.gDebugDraw = Game1.Instance.shape_drawer;

            //m_broadphase = new SimpleBroadphase(1000, pairCache);

            ///the default constraint solver. For parallel processing you can use a different solver (see Extras/BulletMultiThreaded)
            SequentialImpulseConstraintSolver sol = new SequentialImpulseConstraintSolver();

            m_constraintSolver = sol;

            m_dynamicsWorld = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);

            IndexedVector3 gravity = new IndexedVector3(0, -10, 0);

            m_dynamicsWorld.SetGravity(ref gravity);

            ///create a few basic rigid bodies
            IndexedVector3 halfExtents = new IndexedVector3(50, 50, 50);
            //IndexedVector3 halfExtents = new IndexedVector3(10, 10, 10);
            CollisionShape groundShape = new BoxShape(ref halfExtents);

            //CollisionShape groundShape = new StaticPlaneShape(new IndexedVector3(0,1,0), 50);

            m_collisionShapes.Add(groundShape);

            IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, -50, 0));
            float         mass            = 0f;

            float topY    = 2.5f;
            float bottomY = 0.5f;

            float diff  = 10f;
            float left  = -(diff / 2f);
            float right = -left;


            LocalCreateRigidBody(mass, ref groundTransform, groundShape);
            {
                /// Create Dynamic Objects
                IndexedMatrix startTransform = IndexedMatrix.Identity;

                mass = 0f;

                //rigidbody is dynamic if and only if mass is non zero, otherwise static
                bool isDynamic = mass != 0f;


                RigidBody rb = null;

                //startTransform._origin = new IndexedVector3(left, topY, 0);
                //collisionTopLeftCorner = BuildCorner(vertices, topLeft);
                //rb = LocalCreateRigidBody(0f, startTransform, collisionTopLeftCorner);
                //rb.SetUserPointer("TopLeftCorner");

                //startTransform._origin = new IndexedVector3(right, topY, 0);
                //collisionTopRightCorner = BuildCorner(vertices, topRight);
                //rb = LocalCreateRigidBody(0f, startTransform, collisionTopRightCorner);
                //rb.SetUserPointer("TopRightCorner");

                startTransform._origin    = new IndexedVector3(left, bottomY, 0);
                collisionBottomLeftCorner = BuildCorner(vertices, bottomLeft);
                rb = LocalCreateRigidBody(0f, startTransform, collisionBottomLeftCorner);
                rb.SetUserPointer("BottomLeftCorner");

                startTransform._origin     = new IndexedVector3(right, bottomY, 0);
                collisionBottomRightCorner = BuildCorner(vertices, bottomRight);
                rb = LocalCreateRigidBody(0f, startTransform, collisionBottomRightCorner);
                rb.SetUserPointer("BottomRightCorner");


                startTransform._origin = IndexedVector3.Zero;

                m_playerSphere = LocalCreateRigidBody(1f, startTransform, new SphereShape(0.25f));
                m_playerSphere.SetActivationState(ActivationState.DISABLE_DEACTIVATION);
            }



            BulletGlobals.gDebugDraw.SetDebugMode(BulletMonogame.LinearMath.DebugDrawModes.DBG_DrawAabb | BulletMonogame.LinearMath.DebugDrawModes.DBG_DrawNormals | BulletMonogame.LinearMath.DebugDrawModes.DBG_DrawContactPoints);
            m_dynamicsWorld.SetDebugDrawer(BulletGlobals.gDebugDraw);

            //ClientResetScene();
        }
Пример #20
0
        public override void InitializeDemo()
        {
            SetTexturing(true);
            SetShadows(true);

            SetCameraDistance(SCALING * 50.0f);
            m_cameraTargetPosition = IndexedVector3.Zero;

            //string filename = @"E:\users\man\bullet\xna-box2d-output.txt";
            //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
            //BulletGlobals.g_streamWriter = new StreamWriter(filestream);


            ///collision configuration contains default setup for memory, collision setup
            m_collisionConfiguration = new DefaultCollisionConfiguration();
            //m_collisionConfiguration.setConvexConvexMultipointIterations();

            ///use the default collision dispatcher. For parallel processing you can use a diffent dispatcher (see Extras/BulletMultiThreaded)
            m_dispatcher = new  CollisionDispatcher(m_collisionConfiguration);

            VoronoiSimplexSolver            simplex  = new VoronoiSimplexSolver();
            MinkowskiPenetrationDepthSolver pdSolver = new MinkowskiPenetrationDepthSolver();

            CollisionAlgorithmCreateFunc convexAlgo2d = new Convex2dConvex2dCreateFunc(simplex, pdSolver);

            m_dispatcher.RegisterCollisionCreateFunc((int)BroadphaseNativeTypes.CONVEX_2D_SHAPE_PROXYTYPE, (int)BroadphaseNativeTypes.CONVEX_2D_SHAPE_PROXYTYPE, convexAlgo2d);
            m_dispatcher.RegisterCollisionCreateFunc((int)BroadphaseNativeTypes.BOX_2D_SHAPE_PROXYTYPE, (int)BroadphaseNativeTypes.CONVEX_2D_SHAPE_PROXYTYPE, convexAlgo2d);
            m_dispatcher.RegisterCollisionCreateFunc((int)BroadphaseNativeTypes.CONVEX_2D_SHAPE_PROXYTYPE, (int)BroadphaseNativeTypes.BOX_2D_SHAPE_PROXYTYPE, convexAlgo2d);
            m_dispatcher.RegisterCollisionCreateFunc((int)BroadphaseNativeTypes.BOX_2D_SHAPE_PROXYTYPE, (int)BroadphaseNativeTypes.BOX_2D_SHAPE_PROXYTYPE, new Box2dBox2dCreateFunc());

            //m_broadphase = new DbvtBroadphase();
            m_broadphase = new SimpleBroadphase(1000, null);

            ///the default constraint solver. For parallel processing you can use a different solver (see Extras/BulletMultiThreaded)
            m_constraintSolver = new SequentialImpulseConstraintSolver();

            m_dynamicsWorld = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);
            //m_dynamicsWorld.getSolverInfo().m_erp = 1.f;
            //m_dynamicsWorld.getSolverInfo().m_numIterations = 4;

            //m_dynamicsWorld.setGravity(new IndexedVector3(0,-10,0));

            ///create a few basic rigid bodies
            CollisionShape groundShape = new BoxShape(new IndexedVector3(150, 50, 150));

            //	btCollisionShape* groundShape = new btStaticPlaneShape(IndexedVector3(0,1,0),50);

            m_collisionShapes.Add(groundShape);

            IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(0, -43, 0);

            LocalCreateRigidBody(0, groundTransform, groundShape);

            {
                //create a few dynamic rigidbodies
                // Re-using the same collision is better for memory usage and performance

                float u = 1 * SCALING - 0.04f;
                IList <IndexedVector3> points = new List <IndexedVector3>();
                points.Add(new IndexedVector3(0, u, 0));
                points.Add(new IndexedVector3(-u, -u, 0));
                points.Add(new IndexedVector3(u, -u, 0));
                ConvexShape boxShape = new Convex2dShape(new BoxShape(new IndexedVector3(SCALING, SCALING, 0.04f)));
                //btCollisionShape* colShape = new btBox2dShape(IndexedVector3(SCALING*1,SCALING*1,0.04));


                ConvexShape    triangleShape = new Convex2dShape(new ConvexHullShape(points, 3));
                IndexedVector3 extents       = new IndexedVector3(SCALING, SCALING, 0.04f);
                ConvexShape    cylinderShape = new Convex2dShape(new CylinderShapeZ(ref extents));


                //btUniformScalingShape* colShape = new btUniformScalingShape(convexColShape,1.f);
                boxShape.SetMargin(0.03f);
                //btCollisionShape* colShape = new btSphereShape(float(1.));
                m_collisionShapes.Add(boxShape);
                m_collisionShapes.Add(triangleShape);

                /// Create Dynamic Objects
                IndexedMatrix startTransform = IndexedMatrix.Identity;

                float mass = 1.0f;;

                //rigidbody is dynamic if and only if mass is non zero, otherwise static
                bool isDynamic = (mass != 0.9f);

                IndexedVector3 localInertia = IndexedVector3.Zero;
                if (isDynamic)
                {
                    boxShape.CalculateLocalInertia(mass, out localInertia);
                }

                //		float start_x = START_POS_X - ARRAY_SIZE_X/2;
                //		float start_y = START_POS_Y;
                //		float start_z = START_POS_Z - ARRAY_SIZE_Z/2;

                IndexedVector3 x = new IndexedVector3(-ARRAY_SIZE_X, 8f, -20f);
                //IndexedVector3 y = IndexedVector3.Zero;
                IndexedVector3 y      = new IndexedVector3(0, 0, 0);
                IndexedVector3 deltaX = new IndexedVector3(SCALING * 1, SCALING * 2, 0f);
                IndexedVector3 deltaY = new IndexedVector3(SCALING * 2, 0.0f, 0f);

                for (int i = 0; i < ARRAY_SIZE_X; ++i)
                {
                    y = x;

                    for (int j = i; j < ARRAY_SIZE_Y; ++j)
                    {
                        startTransform._origin = (y - new IndexedVector3(-10, 0, 0));


                        //using motionstate is recommended, it provides interpolation capabilities, and only synchronizes 'active' objects
                        DefaultMotionState        myMotionState = new DefaultMotionState(startTransform, IndexedMatrix.Identity);
                        RigidBodyConstructionInfo rbInfo;
                        switch (j % 3)
                        {
                #if true
                        case 0:
                            rbInfo = new RigidBodyConstructionInfo(mass, myMotionState, boxShape, localInertia);
                            //rbInfo = new RigidBodyConstructionInfo(mass, myMotionState, triangleShape, localInertia);
                            break;

                        case 1:
                            rbInfo = new RigidBodyConstructionInfo(mass, myMotionState, triangleShape, localInertia);
                            break;
                #endif
                        default:
                            rbInfo = new RigidBodyConstructionInfo(mass, myMotionState, cylinderShape, localInertia);
                            break;
                        }
                        RigidBody body = new RigidBody(rbInfo);
                        //body.setContactProcessingThreshold(colShape.getContactBreakingThreshold());
                        body.SetActivationState(ActivationState.ISLAND_SLEEPING);
                        body.SetLinearFactor(new IndexedVector3(1, 1, 0));
                        body.SetAngularFactor(new IndexedVector3(0, 0, 1));

                        m_dynamicsWorld.AddRigidBody(body);
                        body.SetActivationState(ActivationState.ISLAND_SLEEPING);
                        //if (BulletGlobals.g_streamWriter != null)
                        //{
                        //    BulletGlobals.g_streamWriter.WriteLine("localCreateRigidBody [{0}] startTransform", body.m_debugBodyId);
                        //    MathUtil.PrintMatrix(BulletGlobals.g_streamWriter, startTransform);
                        //    BulletGlobals.g_streamWriter.WriteLine("");
                        //}


                        //	y += -0.8*deltaY;
                        y += deltaY;
                    }

                    x += deltaX;
                }
            }


            ClientResetScene();
        }
Пример #21
0
        public override void InitializeDemo()
        {
            SetCameraDistance(50);
            int totalTriangles = 2 * (NUM_VERTS_X - 1) * (NUM_VERTS_Y - 1);

            int vertStride  = 1;
            int indexStride = 3;

            BulletGlobals.gContactAddedCallback = new CustomMaterialCombinerCallback();


            gVertices = new ObjectArray <IndexedVector3>(totalVerts);
            gIndices  = new ObjectArray <int>(totalTriangles * 3);

            SetVertexPositions(waveheight, 0.0f);

            gVertices.GetRawArray()[1].Y = 0.1f;


            int index = 0;
            int i, j;

            for (i = 0; i < NUM_VERTS_X - 1; i++)
            {
                for (j = 0; j < NUM_VERTS_Y - 1; j++)
                {
#if SWAP_WINDING
#if SHIFT_INDICES
                    gIndices[index++] = j * NUM_VERTS_X + i;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;
                    gIndices[index++] = j * NUM_VERTS_X + i + 1;

                    gIndices[index++] = j * NUM_VERTS_X + i;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;
#else
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;
                    gIndices[index++] = j * NUM_VERTS_X + i + 1;
                    gIndices[index++] = j * NUM_VERTS_X + i;

                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;
                    gIndices[index++] = j * NUM_VERTS_X + i;
#endif //SHIFT_INDICES
#else //SWAP_WINDING
#if SHIFT_INDICES
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;
                    gIndices[index++] = j * NUM_VERTS_X + i;
                    gIndices[index++] = j * NUM_VERTS_X + i + 1;

#if TEST_INCONSISTENT_WINDING
                    gIndices[index++] = j * NUM_VERTS_X + i;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;
#else //TEST_INCONSISTENT_WINDING
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i;
                    gIndices[index++] = j * NUM_VERTS_X + i;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;
#endif //TEST_INCONSISTENT_WINDING
#else //SHIFT_INDICES
                    gIndices[index++] = j * NUM_VERTS_X + i;
                    gIndices[index++] = j * NUM_VERTS_X + i + 1;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;

                    gIndices[index++] = j * NUM_VERTS_X + i;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i;
#endif //SHIFT_INDICES
#endif //SWAP_WINDING
                }
            }

            m_indexVertexArrays = new TriangleIndexVertexArray(totalTriangles,
                                                               gIndices,
                                                               indexStride,
                                                               totalVerts, gVertices, vertStride);

            bool useQuantizedAabbCompression = true;

            IndexedVector3 aabbMin           = new IndexedVector3(-1000, -1000, -1000);
            IndexedVector3 aabbMax = new IndexedVector3(1000, 1000, 1000);

            trimeshShape = new BvhTriangleMeshShape(m_indexVertexArrays, useQuantizedAabbCompression, ref aabbMin, ref aabbMax, true);

            CollisionShape groundShape = trimeshShape;

            TriangleInfoMap triangleInfoMap = new TriangleInfoMap();

            InternalEdgeUtility.GenerateInternalEdgeInfo(trimeshShape, triangleInfoMap);


            m_collisionConfiguration = new DefaultCollisionConfiguration();


            m_dispatcher = new CollisionDispatcher(m_collisionConfiguration);



            m_broadphase       = new DbvtBroadphase();
            m_constraintSolver = new SequentialImpulseConstraintSolver();
            m_dynamicsWorld    = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);
            m_dynamicsWorld.SetDebugDrawer(m_debugDraw);

            IndexedVector3 gravity = new IndexedVector3(0, -10, 0);
            m_dynamicsWorld.SetGravity(ref gravity);


            float         mass               = 0.0f;
            IndexedMatrix startTransform     = IndexedMatrix.CreateTranslation(new IndexedVector3(0, -2, 0));

            ConvexHullShape colShape = new ConvexHullShape(new List <IndexedVector3>(), 0);
            for (int k = 0; k < DemoMeshes.TaruVtxCount; k++)
            {
                IndexedVector3 vtx = DemoMeshes.TaruVtx[k];
                colShape.AddPoint(ref vtx);
            }
            //this will enable polyhedral contact clipping, better quality, slightly slower
            //colShape.InitializePolyhedralFeatures();

            //the polyhedral contact clipping can use either GJK or SAT test to find the separating axis
            m_dynamicsWorld.GetDispatchInfo().m_enableSatConvex = false;


            {
                //for (int i2 = 0; i2 < 1; i2++)
                //{
                //    startTransform._origin = new IndexedVector3(-10.0f + i2 * 3.0f, 2.2f + i2 * 0.1f, -1.3f);
                //    RigidBody body = LocalCreateRigidBody(10, startTransform, colShape);
                //    body.SetActivationState(ActivationState.DISABLE_DEACTIVATION);
                //    body.SetLinearVelocity(new IndexedVector3(0, 0, -1));
                //    //body->setContactProcessingThreshold(0.f);
                //}
            }
            {
                BoxShape colShape2 = new BoxShape(new IndexedVector3(1, 1, 1));
                //colShape.InitializePolyhedralFeatures();
                m_collisionShapes.Add(colShape2);
                startTransform._origin = new IndexedVector3(-16.0f + i * 3.0f, 1.0f + i * 0.1f, -1.3f);
                RigidBody body = LocalCreateRigidBody(10, startTransform, colShape2);
                body.SetActivationState(ActivationState.DISABLE_DEACTIVATION);
                body.SetLinearVelocity(new IndexedVector3(0, 0, -1));
            }

            startTransform = IndexedMatrix.Identity;

            staticBody = LocalCreateRigidBody(mass, startTransform, groundShape);
            //staticBody->setContactProcessingThreshold(-0.031f);
            staticBody.SetCollisionFlags(staticBody.GetCollisionFlags() | CollisionFlags.CF_KINEMATIC_OBJECT);    //STATIC_OBJECT);

            //enable custom material callback
            staticBody.SetCollisionFlags(staticBody.GetCollisionFlags() | CollisionFlags.CF_CUSTOM_MATERIAL_CALLBACK);
            m_debugDraw.SetDebugMode(DebugDrawModes.DBG_DrawText | DebugDrawModes.DBG_NoHelpText | DebugDrawModes.DBG_DrawWireframe | DebugDrawModes.DBG_DrawContactPoints);



            //base.InitializeDemo();
            //ClientResetScene();
        }
Пример #22
0
        public override void InitializeDemo()
        {
            m_collisionConfiguration = new DefaultCollisionConfiguration();
            m_dispatcher             = new CollisionDispatcher(m_collisionConfiguration);
            IndexedVector3 worldMin = new IndexedVector3(-1000, -1000, -1000);
            IndexedVector3 worldMax = new IndexedVector3(1000, 1000, 1000);

            m_broadphase       = new AxisSweep3Internal(ref worldMin, ref worldMax, 0xfffe, 0xffff, 16384, null, false);
            m_constraintSolver = new SequentialImpulseConstraintSolver();
            m_dynamicsWorld    = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);
            m_dynamicsWorld.SetDebugDrawer(m_debugDraw);

            SetCameraDistance(26f);

            //CollisionShape groundShape = new BoxShape(new IndexedVector3(50f, 40f, 50f));
            CollisionShape groundShape = new StaticPlaneShape(new IndexedVector3(0, 1, 0), 40);

            m_collisionShapes.Add(groundShape);
            IndexedMatrix groundTransform = IndexedMatrix.Identity;

            groundTransform._origin = new IndexedVector3(0, -56, 0);
            RigidBody groundBody = LocalCreateRigidBody(0, ref groundTransform, groundShape);

            CollisionShape shape = new BoxShape(new IndexedVector3(CUBE_HALF_EXTENTS, CUBE_HALF_EXTENTS, CUBE_HALF_EXTENTS));

            m_collisionShapes.Add(shape);
            IndexedMatrix trans = IndexedMatrix.Identity;

            trans._origin = new IndexedVector3(0, 20, 0);

            float mass = 1f;

        #if true
            //point to point constraint (ball socket)
            //SEEMS OK
            {
                RigidBody body0 = LocalCreateRigidBody(mass, ref trans, shape);
                trans._origin = new IndexedVector3(2 * CUBE_HALF_EXTENTS, 20, 0);

                mass = 1f;
                RigidBody body1 = null;        //localCreateRigidBody( mass,trans,shape);

                IndexedVector3 pivotInA = new IndexedVector3(CUBE_HALF_EXTENTS, -CUBE_HALF_EXTENTS, -CUBE_HALF_EXTENTS);
                IndexedVector3 axisInA  = new IndexedVector3(0, 0, 1);

                IndexedVector3 pivotInB = body1 != null?body1.GetCenterOfMassTransform().Inverse() * (body0.GetCenterOfMassTransform() * (pivotInA)) : pivotInA;

                IndexedVector3 axisInB = body1 != null ? (body1.GetCenterOfMassTransform()._basis.Inverse() * (body1.GetCenterOfMassTransform()._basis *axisInA)) :
                                         body0.GetCenterOfMassTransform()._basis *axisInA;

                HingeConstraint hinge = new HingeConstraint(body0, ref pivotInA, ref axisInA, false);

                float targetVelocity  = 1f;
                float maxMotorImpulse = 1.0f;
                hinge.EnableAngularMotor(true, targetVelocity, maxMotorImpulse);

                m_dynamicsWorld.AddConstraint(hinge);        //p2p);
                hinge.SetDbgDrawSize(5f);
            }
        #endif

#if true
            //create a slider, using the generic D6 constraint
            // SEEMS OK
            {
                mass = 1f;
                IndexedVector3     sliderWorldPos    = new IndexedVector3(0, 10, 0);
                IndexedVector3     sliderAxis        = new IndexedVector3(1, 0, 0);
                float              angle             = 0f;//SIMD_RADS_PER_DEG * 10.f;
                IndexedBasisMatrix sliderOrientation = new IndexedBasisMatrix(Quaternion.CreateFromAxisAngle(sliderAxis.ToVector3(), angle));
                trans         = IndexedMatrix.Identity;
                trans._origin = sliderWorldPos;
                //trans.setBasis(sliderOrientation);
                sliderTransform = trans;

                d6body0 = LocalCreateRigidBody(mass, ref trans, shape);
                d6body0.SetActivationState(ActivationState.DISABLE_DEACTIVATION);
                RigidBody fixedBody1 = LocalCreateRigidBody(0, ref trans, null);
                m_dynamicsWorld.AddRigidBody(fixedBody1);

                IndexedMatrix frameInA, frameInB;
                frameInA         = IndexedMatrix.Identity;
                frameInB         = IndexedMatrix.Identity;
                frameInA._origin = new IndexedVector3(0, 5, 0);
                frameInB._origin = new IndexedVector3(0, 5, 0);

                //		bool useLinearReferenceFrameA = false;//use fixed frame B for linear llimits
                bool useLinearReferenceFrameA = true;        //use fixed frame A for linear llimits
                spSlider6Dof = new Generic6DofConstraint(fixedBody1, d6body0, ref frameInA, ref frameInB, useLinearReferenceFrameA);
                spSlider6Dof.SetLinearLowerLimit(ref lowerSliderLimit);
                spSlider6Dof.SetLinearUpperLimit(ref hiSliderLimit);

                //range should be small, otherwise singularities will 'explode' the constraint
                IndexedVector3 angularLower = new IndexedVector3(-1.5f, 0, 0);
                IndexedVector3 angularUpper = -angularLower;
                spSlider6Dof.SetAngularLowerLimit(ref angularLower);
                spSlider6Dof.SetAngularUpperLimit(ref angularUpper);
                //		slider.setAngularLowerLimit(IndexedVector3(0,0,0));
                //		slider.setAngularUpperLimit(IndexedVector3(0,0,0));

                spSlider6Dof.GetTranslationalLimitMotor().m_enableMotor[0] = true;
                spSlider6Dof.GetTranslationalLimitMotor().m_targetVelocity.X = -5.0f;
                spSlider6Dof.GetTranslationalLimitMotor().m_maxMotorForce.X = 0.1f;


                m_dynamicsWorld.AddConstraint(spSlider6Dof);
                spSlider6Dof.SetDbgDrawSize(5f);
            }
#endif
#if true
            {     // create a door using hinge constraint attached to the world
                CollisionShape pDoorShape = new BoxShape(new IndexedVector3(2.0f, 5.0f, 0.2f));
                m_collisionShapes.Add(pDoorShape);
                IndexedMatrix doorTrans = IndexedMatrix.Identity;
                doorTrans._origin = new IndexedVector3(-5.0f, -2.0f, 0.0f);
                RigidBody pDoorBody = LocalCreateRigidBody(1.0f, ref doorTrans, pDoorShape);
                pDoorBody.SetActivationState(ActivationState.DISABLE_DEACTIVATION);
                IndexedVector3 btPivotA = new IndexedVector3(10f + 2.1f, -2.0f, 0.0f);   // right next to the door slightly outside
                IndexedVector3 btAxisA  = new IndexedVector3(0.0f, 1.0f, 0.0f);          // pointing upwards, aka Y-axis

                spDoorHinge = new HingeConstraint(pDoorBody, ref btPivotA, ref btAxisA, false);

                spDoorHinge.SetLimit(-MathUtil.SIMD_PI * 0.25f, MathUtil.SIMD_PI * 0.25f);
                m_dynamicsWorld.AddConstraint(spDoorHinge);
                spDoorHinge.SetDbgDrawSize(5.0f);
            }
#endif
#if true
            { // create a generic 6DOF constraint
                // SEEMS OK - But debug draw a bit wrong?
                IndexedMatrix tr = IndexedMatrix.Identity;
                tr._origin = new IndexedVector3(10f, 6f, 0f);
                //tr.getBasis().setEulerZYX(0,0,0);
                //		RigidBody pBodyA = localCreateRigidBody( mass, tr, shape);
                RigidBody pBodyA = LocalCreateRigidBody(0.0f, ref tr, shape);
                //		RigidBody pBodyA = localCreateRigidBody( 0.0, tr, 0);
                pBodyA.SetActivationState(ActivationState.DISABLE_DEACTIVATION);

                tr         = IndexedMatrix.Identity;
                tr._origin = new IndexedVector3(0f, 6f, 0f);
                //tr.getBasis().setEulerZYX(0,0,0);
                RigidBody pBodyB = LocalCreateRigidBody(mass, ref tr, shape);
                pBodyB.SetActivationState(ActivationState.DISABLE_DEACTIVATION);

                IndexedMatrix frameInA, frameInB;
                frameInA = IndexedMatrix.CreateTranslation(-5, 0, 0);
                frameInB = IndexedMatrix.CreateTranslation(5, 0, 0);

                Generic6DofConstraint pGen6DOF = new Generic6DofConstraint(pBodyA, pBodyB, ref frameInA, ref frameInB, true);
                //		btGeneric6DofConstraint* pGen6DOF = new btGeneric6DofConstraint(*pBodyA, *pBodyB, frameInA, frameInB, false);
                IndexedVector3 linearLower = new IndexedVector3(-10, -2, -1);
                pGen6DOF.SetLinearLowerLimit(ref linearLower);
                IndexedVector3 linearUpper = new IndexedVector3(10, 2, 1);
                pGen6DOF.SetLinearUpperLimit(ref linearUpper);
                // ? why again?
                //linearLower = new IndexedVector3(-10,0,0);
                //pGen6DOF.setLinearLowerLimit(ref linearLower);
                //		pGen6DOF.setLinearUpperLimit(IndexedVector3(10., 0., 0.));
                //		pGen6DOF.setLinearLowerLimit(IndexedVector3(0., 0., 0.));
                //		pGen6DOF.setLinearUpperLimit(IndexedVector3(0., 0., 0.));

                //		pGen6DOF.getTranslationalLimitMotor().m_enableMotor[0] = true;
                //		pGen6DOF.getTranslationalLimitMotor().m_targetVelocity[0] = 5.0f;
                //		pGen6DOF.getTranslationalLimitMotor().m_maxMotorForce[0] = 0.1f;


                //		pGen6DOF.setAngularLowerLimit(IndexedVector3(0., SIMD_HALF_PI*0.9, 0.));
                //		pGen6DOF.setAngularUpperLimit(IndexedVector3(0., -SIMD_HALF_PI*0.9, 0.));
                //		pGen6DOF.setAngularLowerLimit(IndexedVector3(0., 0., -SIMD_HALF_PI));
                //		pGen6DOF.setAngularUpperLimit(IndexedVector3(0., 0., SIMD_HALF_PI));

                IndexedVector3 angularLower = new IndexedVector3(-MathUtil.SIMD_HALF_PI * 0.5f, -0.75f, -MathUtil.SIMD_HALF_PI * 0.8f);
                IndexedVector3 angularUpper = -angularLower;
                pGen6DOF.SetAngularLowerLimit(ref angularLower);
                pGen6DOF.SetAngularUpperLimit(ref angularUpper);
                //		pGen6DOF.setAngularLowerLimit(IndexedVector3(0.f, -0.75, SIMD_HALF_PI * 0.8f));
                //		pGen6DOF.setAngularUpperLimit(IndexedVector3(0.f, 0.75, -SIMD_HALF_PI * 0.8f));
                //		pGen6DOF.setAngularLowerLimit(IndexedVector3(0.f, -SIMD_HALF_PI * 0.8f, SIMD_HALF_PI * 1.98f));
                //		pGen6DOF.setAngularUpperLimit(IndexedVector3(0.f, SIMD_HALF_PI * 0.8f,  -SIMD_HALF_PI * 1.98f));



                //		pGen6DOF.setAngularLowerLimit(IndexedVector3(-0.75,-0.5, -0.5));
                //		pGen6DOF.setAngularUpperLimit(IndexedVector3(0.75,0.5, 0.5));
                //		pGen6DOF.setAngularLowerLimit(IndexedVector3(-0.75,0., 0.));
                //		pGen6DOF.setAngularUpperLimit(IndexedVector3(0.75,0., 0.));

                m_dynamicsWorld.AddConstraint(pGen6DOF, true);
                pGen6DOF.SetDbgDrawSize(5.0f);
            }
#endif
#if true
            { // create a ConeTwist constraint
                IndexedMatrix tr = IndexedMatrix.CreateTranslation(-10, 5, 0);

                RigidBody pBodyA = LocalCreateRigidBody(1.0f, ref tr, shape);
                pBodyA.SetActivationState(ActivationState.DISABLE_DEACTIVATION);

                tr = IndexedMatrix.CreateTranslation(-10, -5, 0);

                RigidBody pBodyB = LocalCreateRigidBody(0.0f, ref tr, shape);

                IndexedMatrix frameInA, frameInB;
                frameInA         = MathUtil.SetEulerZYX(0, 0, MathUtil.SIMD_HALF_PI);
                frameInA._origin = new IndexedVector3(0, -5, 0);
                frameInB         = MathUtil.SetEulerZYX(0, 0, MathUtil.SIMD_HALF_PI);
                frameInB._origin = new IndexedVector3(0, 5, 0);

                ConeTwistConstraint pCT = new ConeTwistConstraint(pBodyA, pBodyB, ref frameInA, ref frameInB);
                pCT.SetLimit(MathUtil.SIMD_QUARTER_PI, MathUtil.SIMD_QUARTER_PI, MathUtil.SIMD_PI * 0.8f, 1.0f, 0.3f, 1.0f);       // soft limit == hard limit
                m_dynamicsWorld.AddConstraint(pCT, true);
                pCT.SetDbgDrawSize(5.0f);
            }
#endif
#if true
            { // Hinge connected to the world, with motor (to hinge motor with new and old constraint solver)
                // WORKS OK
                IndexedMatrix tr    = IndexedMatrix.Identity;
                RigidBody     pBody = LocalCreateRigidBody(1.0f, ref tr, shape);
                pBody.SetActivationState(ActivationState.DISABLE_DEACTIVATION);
                IndexedVector3 btPivotA = new IndexedVector3(10.0f, 0.0f, 0.0f);
                IndexedVector3 btAxisA  = new IndexedVector3(0.0f, 0.0f, 1.0f);

                HingeConstraint pHinge = new HingeConstraint(pBody, ref btPivotA, ref btAxisA, false);
                //		pHinge.enableAngularMotor(true, -1.0, 0.165); // use for the old solver
                pHinge.EnableAngularMotor(true, -1.0f, 1.65f);         // use for the new SIMD solver
                m_dynamicsWorld.AddConstraint(pHinge);
                pHinge.SetDbgDrawSize(5.0f);
            }
#endif
#if true
            {
                // WORKS OK
                // create a universal joint using generic 6DOF constraint
                // create two rigid bodies
                // static bodyA (parent) on top:
                IndexedMatrix tr     = IndexedMatrix.CreateTranslation(20, 4, 0);
                RigidBody     pBodyA = LocalCreateRigidBody(0.0f, ref tr, shape);
                pBodyA.SetActivationState(ActivationState.DISABLE_DEACTIVATION);
                // dynamic bodyB (child) below it :
                tr = IndexedMatrix.CreateTranslation(20, 0, 0);
                RigidBody pBodyB = LocalCreateRigidBody(1.0f, ref tr, shape);
                pBodyB.SetActivationState(ActivationState.DISABLE_DEACTIVATION);
                // add some (arbitrary) data to build constraint frames
                IndexedVector3 parentAxis = new IndexedVector3(1.0f, 0.0f, 0.0f);
                IndexedVector3 childAxis  = new IndexedVector3(0.0f, 0.0f, 1.0f);
                IndexedVector3 anchor     = new IndexedVector3(20.0f, 2.0f, 0.0f);

                UniversalConstraint pUniv = new UniversalConstraint(pBodyA, pBodyB, ref anchor, ref parentAxis, ref childAxis);
                pUniv.SetLowerLimit(-MathUtil.SIMD_HALF_PI * 0.5f, -MathUtil.SIMD_HALF_PI * 0.5f);
                pUniv.SetUpperLimit(MathUtil.SIMD_HALF_PI * 0.5f, MathUtil.SIMD_HALF_PI * 0.5f);
                // add constraint to world
                m_dynamicsWorld.AddConstraint(pUniv, true);
                // draw constraint frames and limits for debugging
                pUniv.SetDbgDrawSize(5.0f);
            }
#endif

#if true
            // WORKS OK
            { // create a generic 6DOF constraint with springs
                IndexedMatrix tr = IndexedMatrix.CreateTranslation(-20f, 16f, 0f);
                //tr.setIdentity();
                //tr.setOrigin(btVector3(btScalar(-20.), btScalar(16.), btScalar(0.)));
                //tr.getBasis().setEulerZYX(0,0,0);
                RigidBody pBodyA = LocalCreateRigidBody(0.0f, ref tr, shape);
                pBodyA.SetActivationState(ActivationState.DISABLE_DEACTIVATION);

                //tr.setIdentity();
                //tr.setOrigin(btVector3(btScalar(-10.), btScalar(16.), btScalar(0.)));
                //tr.getBasis().setEulerZYX(0,0,0);
                tr = IndexedMatrix.CreateTranslation(-10, 16, 0);
                RigidBody pBodyB = LocalCreateRigidBody(1.0f, ref tr, shape);
                pBodyB.SetActivationState(ActivationState.DISABLE_DEACTIVATION);

                IndexedMatrix frameInA = IndexedMatrix.CreateTranslation(10f, 0f, 0f);
                IndexedMatrix frameInB = IndexedMatrix.CreateTranslation(0f, 0f, 0f);

                Generic6DofSpringConstraint pGen6DOFSpring = new Generic6DofSpringConstraint(pBodyA, pBodyB, ref frameInA, ref frameInB, true);
                pGen6DOFSpring.SetLinearUpperLimit(new IndexedVector3(5f, 0f, 0f));
                pGen6DOFSpring.SetLinearLowerLimit(new IndexedVector3(-5f, 0f, 0f));

                pGen6DOFSpring.SetAngularLowerLimit(new IndexedVector3(0f, 0f, -1.5f));
                pGen6DOFSpring.SetAngularUpperLimit(new IndexedVector3(0f, 0f, 1.5f));

                m_dynamicsWorld.AddConstraint(pGen6DOFSpring, true);
                pGen6DOFSpring.SetDbgDrawSize(5.0f);

                pGen6DOFSpring.EnableSpring(0, true);
                pGen6DOFSpring.SetStiffness(0, 39.478f);
                pGen6DOFSpring.SetDamping(0, 0.5f);
                pGen6DOFSpring.EnableSpring(5, true);
                pGen6DOFSpring.SetStiffness(5, 39.478f);
                pGen6DOFSpring.SetDamping(0, 0.3f);
                pGen6DOFSpring.SetEquilibriumPoint();
            }
#endif
#if true
            {
                // WORKS OK
                // create a Hinge2 joint
                // create two rigid bodies
                // static bodyA (parent) on top:
                IndexedMatrix tr = IndexedMatrix.CreateTranslation(-20f, 4f, 0f);

                RigidBody pBodyA = LocalCreateRigidBody(0.0f, ref tr, shape);
                pBodyA.SetActivationState(ActivationState.DISABLE_DEACTIVATION);
                // dynamic bodyB (child) below it :
                tr = IndexedMatrix.CreateTranslation(-20f, 0f, 0f);
                RigidBody pBodyB = LocalCreateRigidBody(1.0f, ref tr, shape);
                pBodyB.SetActivationState(ActivationState.DISABLE_DEACTIVATION);
                // add some data to build constraint frames
                IndexedVector3   parentAxis = new IndexedVector3(0.0f, 1.0f, 0.0f);
                IndexedVector3   childAxis  = new IndexedVector3(1.0f, 0.0f, 0.0f);
                IndexedVector3   anchor     = new IndexedVector3(-20.0f, 0.0f, 0.0f);
                Hinge2Constraint pHinge2    = new Hinge2Constraint(pBodyA, pBodyB, ref anchor, ref parentAxis, ref childAxis);
                pHinge2.SetLowerLimit(-MathUtil.SIMD_HALF_PI * 0.5f);
                pHinge2.SetUpperLimit(MathUtil.SIMD_HALF_PI * 0.5f);
                // add constraint to world
                m_dynamicsWorld.AddConstraint(pHinge2, true);
                // draw constraint frames and limits for debugging
                pHinge2.SetDbgDrawSize(5.0f);
            }
#endif
#if true
            {
                // WORKS OK
                // create a Hinge joint between two dynamic bodies
                // create two rigid bodies
                // static bodyA (parent) on top:
                IndexedMatrix tr     = IndexedMatrix.CreateTranslation(-20f, -2f, 0f);
                RigidBody     pBodyA = LocalCreateRigidBody(1.0f, ref tr, shape);
                pBodyA.SetActivationState(ActivationState.DISABLE_DEACTIVATION);
                // dynamic bodyB:
                tr = IndexedMatrix.CreateTranslation(-30f, -2f, 0f);
                RigidBody pBodyB = LocalCreateRigidBody(10.0f, ref tr, shape);
                pBodyB.SetActivationState(ActivationState.DISABLE_DEACTIVATION);
                // add some data to build constraint frames
                IndexedVector3 axisA  = new IndexedVector3(0.0f, 1.0f, 0.0f);
                IndexedVector3 axisB  = new IndexedVector3(0.0f, 1.0f, 0.0f);
                IndexedVector3 pivotA = new IndexedVector3(-5.0f, 0.0f, 0.0f);
                IndexedVector3 pivotB = new IndexedVector3(5.0f, 0.0f, 0.0f);

                spHingeDynAB = new HingeConstraint(pBodyA, pBodyB, ref pivotA, ref pivotB, ref axisA, ref axisB);
                spHingeDynAB.SetLimit(-MathUtil.SIMD_HALF_PI * 0.5f, MathUtil.SIMD_HALF_PI * 0.5f);
                // add constraint to world
                m_dynamicsWorld.AddConstraint(spHingeDynAB, true);
                // draw constraint frames and limits for debugging
                spHingeDynAB.SetDbgDrawSize(5.0f);
            }
#endif
        }
Пример #23
0
        public void DrawXNA(ref IndexedMatrix m, CollisionShape shape, ref IndexedVector3 color, DebugDrawModes debugMode, ref IndexedVector3 worldBoundsMin, ref IndexedVector3 worldBoundsMax, ref IndexedMatrix view, ref IndexedMatrix projection)
        {
            //btglMultMatrix(m);
            if (shape == null)
            {
                return;
            }

            if (shape.GetShapeType() == BroadphaseNativeTypes.UNIFORM_SCALING_SHAPE_PROXYTYPE)
            {
                UniformScalingShape scalingShape = (UniformScalingShape)shape;
                ConvexShape         convexShape  = scalingShape.GetChildShape();
                float         scalingFactor      = scalingShape.GetUniformScalingFactor();
                IndexedMatrix scaleMatrix        = IndexedMatrix.CreateScale(scalingFactor);
                IndexedMatrix finalMatrix        = scaleMatrix * m;
                DrawXNA(ref finalMatrix, convexShape, ref color, debugMode, ref worldBoundsMin, ref worldBoundsMax, ref view, ref projection);
                return;
            }
            if (shape.GetShapeType() == BroadphaseNativeTypes.COMPOUND_SHAPE_PROXYTYPE)
            {
                CompoundShape compoundShape = (CompoundShape)shape;
                for (int i = compoundShape.GetNumChildShapes() - 1; i >= 0; i--)
                {
                    IndexedMatrix  childTrans = compoundShape.GetChildTransform(i);
                    CollisionShape colShape   = compoundShape.GetChildShape(i);
                    IndexedMatrix  childMat   = childTrans;

                    //childMat = MathUtil.bulletMatrixMultiply(m, childMat);
                    //childMat = childMat * m;
                    childMat = m * childMat;



                    DrawXNA(ref childMat, colShape, ref color, debugMode, ref worldBoundsMin, ref worldBoundsMax, ref view, ref projection);
                }
            }
            else
            {
                bool useWireframeFallback = true;

                if ((debugMode & DebugDrawModes.DBG_DrawWireframe) == 0)
                {
                    ///you can comment out any of the specific cases, and use the default
                    ///the benefit of 'default' is that it approximates the actual collision shape including collision margin
                    //BroadphaseNativeTypes shapetype = m_textureEnabled ? BroadphaseNativeTypes.MAX_BROADPHASE_COLLISION_TYPES : shape.getShapeType();
                    BroadphaseNativeTypes shapetype = shape.GetShapeType();
                    switch (shapetype)
                    {
                    case BroadphaseNativeTypes.BOX_SHAPE_PROXYTYPE:
                    {
                        BoxShape       boxShape    = shape as BoxShape;
                        IndexedVector3 halfExtents = boxShape.GetHalfExtentsWithMargin();

                        DrawSolidCube(ref halfExtents, ref m, ref view, ref projection, ref color);
                        //drawSolidSphere(halfExtents.X, 10, 10, ref m, ref view, ref projection);
                        //drawCylinder(halfExtents.X, halfExtents.Y, 1, ref m, ref view, ref projection);
                        //drawSolidCone(halfExtents.Y, halfExtents.X, ref m, ref view, ref projection);

                        //DrawText("Hello World", new IndexedVector3(20, 20, 0), new IndexedVector3(255, 255, 255));
                        useWireframeFallback = false;
                        break;
                    }


                    case BroadphaseNativeTypes.SPHERE_SHAPE_PROXYTYPE:
                    {
                        SphereShape sphereShape = shape as SphereShape;
                        float       radius      = sphereShape.GetMargin();//radius doesn't include the margin, so draw with margin
                        DrawSolidSphere(radius, 10, 10, ref m, ref view, ref projection, ref color);
                        //glutSolidSphere(radius,10,10);
                        useWireframeFallback = false;
                        break;
                    }

                    case BroadphaseNativeTypes.CAPSULE_SHAPE_PROXYTYPE:
                    {
                        CapsuleShape capsuleShape = shape as CapsuleShape;

                        float radius     = capsuleShape.GetRadius();
                        float halfHeight = capsuleShape.GetHalfHeight();

                        int upAxis = capsuleShape.GetUpAxis();

                        IndexedVector3 capStart = IndexedVector3.Zero;
                        capStart[upAxis] = -halfHeight;

                        IndexedVector3 capEnd = IndexedVector3.Zero;
                        capEnd[upAxis] = halfHeight;

                        // Draw the ends
                        {
                            IndexedMatrix childTransform = IndexedMatrix.Identity;
                            childTransform._origin = m * capStart;
                            DrawSolidSphere(radius, 5, 5, ref childTransform, ref view, ref projection, ref color);
                        }

                        {
                            IndexedMatrix childTransform = IndexedMatrix.Identity;
                            childTransform._origin = m * capEnd;
                            DrawSolidSphere(radius, 5, 5, ref childTransform, ref view, ref projection, ref color);
                        }

                        DrawCylinder(radius, halfHeight, upAxis, ref m, ref view, ref projection, ref color);
                        break;
                    }

                    case BroadphaseNativeTypes.CONE_SHAPE_PROXYTYPE:
                    {
                        ConeShape     coneShape    = (ConeShape)(shape);
                        int           upIndex      = coneShape.GetConeUpIndex();
                        float         radius       = coneShape.GetRadius(); //+coneShape.getMargin();
                        float         height       = coneShape.GetHeight(); //+coneShape.getMargin();
                        IndexedMatrix rotateMatrix = IndexedMatrix.Identity;


                        switch (upIndex)
                        {
                        case 0:
                            rotateMatrix = IndexedMatrix.CreateRotationX(-MathUtil.SIMD_HALF_PI);
                            break;

                        case 1:
                            break;

                        case 2:
                            rotateMatrix = IndexedMatrix.CreateRotationX(MathUtil.SIMD_HALF_PI);
                            break;

                        default:
                        {
                            break;
                        }
                        }
                        ;

                        IndexedMatrix translationMatrix = IndexedMatrix.CreateTranslation(0f, 0f, -0.5f * height);

                        IndexedMatrix resultant = m * rotateMatrix * translationMatrix;

                        DrawSolidCone(height, radius, ref resultant, ref view, ref projection, ref color);
                        useWireframeFallback = false;
                        break;
                    }


                    case BroadphaseNativeTypes.STATIC_PLANE_PROXYTYPE:
                    {
                        StaticPlaneShape staticPlaneShape = shape as StaticPlaneShape;
                        float            planeConst = staticPlaneShape.GetPlaneConstant();
                        IndexedVector3   planeNormal = staticPlaneShape.GetPlaneNormal();
                        IndexedVector3   planeOrigin = planeNormal * planeConst;
                        IndexedVector3   vec0, vec1;
                        TransformUtil.PlaneSpace1(ref planeNormal, out vec0, out vec1);
                        float          vecLen = 100f;
                        IndexedVector3 pt0 = planeOrigin + vec0 * vecLen;
                        IndexedVector3 pt1 = planeOrigin - vec0 * vecLen;
                        IndexedVector3 pt2 = planeOrigin + vec1 * vecLen;
                        IndexedVector3 pt3 = planeOrigin - vec1 * vecLen;

                        // Fallback to debug draw - needs tidying
                        IndexedVector3 colour = new IndexedVector3(255, 255, 255);
                        DrawLine(ref pt0, ref pt1, ref colour);
                        DrawLine(ref pt1, ref pt2, ref colour);
                        DrawLine(ref pt2, ref pt3, ref colour);
                        DrawLine(ref pt3, ref pt1, ref colour);

                        break;
                    }

                    case BroadphaseNativeTypes.CYLINDER_SHAPE_PROXYTYPE:
                    {
                        CylinderShape cylinder = (CylinderShape)(shape);
                        int           upAxis   = cylinder.GetUpAxis();

                        float radius     = cylinder.GetRadius();
                        float halfHeight = cylinder.GetHalfExtentsWithMargin()[upAxis];
                        DrawCylinder(radius, halfHeight, upAxis, ref m, ref view, ref projection, ref color);
                        break;
                    }

                    default:
                    {
                        if (shape.IsConvex())
                        {
                            ShapeCache sc = Cache(shape as ConvexShape);

                            //if (shape.getUserPointer())
                            {
                                //glutSolidCube(1.0);
                                ShapeHull hull = sc.m_shapehull /*(btShapeHull*)shape.getUserPointer()*/;

                                int numTriangles = hull.NumTriangles();
                                int numIndices   = hull.NumIndices();
                                int numVertices  = hull.NumVertices();
                                if (numTriangles > 0)
                                {
                                    int                    index = 0;
                                    IList <int>            idx   = hull.m_indices;
                                    IList <IndexedVector3> vtx   = hull.m_vertices;

                                    for (int i = 0; i < numTriangles; i++)
                                    {
                                        int i1 = index++;
                                        int i2 = index++;
                                        int i3 = index++;
                                        Debug.Assert(i1 < numIndices &&
                                                     i2 < numIndices &&
                                                     i3 < numIndices);

                                        int index1 = idx[i1];
                                        int index2 = idx[i2];
                                        int index3 = idx[i3];
                                        Debug.Assert(index1 < numVertices &&
                                                     index2 < numVertices &&
                                                     index3 < numVertices);

                                        IndexedVector3 v1     = m * vtx[index1];
                                        IndexedVector3 v2     = m * vtx[index2];
                                        IndexedVector3 v3     = m * vtx[index3];
                                        IndexedVector3 normal = IndexedVector3.Cross((v3 - v1), (v2 - v1));
                                        normal.Normalize();

                                        Vector2 tex = new Vector2(0, 0);
                                        AddVertex(ref v1, ref normal, ref tex);
                                        AddVertex(ref v2, ref normal, ref tex);
                                        AddVertex(ref v3, ref normal, ref tex);
                                    }
                                }
                            }
                        }
                        break;
                    }
                    }
                }

                /// for polyhedral shapes
                if (debugMode == DebugDrawModes.DBG_DrawFeaturesText && (shape.IsPolyhedral()))
                {
                    PolyhedralConvexShape polyshape = (PolyhedralConvexShape)shape;
                    {
                        //BMF_DrawString(BMF_GetFont(BMF_kHelvetica10),polyshape.getExtraDebugInfo());

                        IndexedVector3 colour = new IndexedVector3(255, 255, 255);
                        for (int i = 0; i < polyshape.GetNumVertices(); i++)
                        {
                            IndexedVector3 vtx;
                            polyshape.GetVertex(i, out vtx);
                            String buf = " " + i;
                            DrawText(buf, ref vtx, ref colour);
                        }

                        for (int i = 0; i < polyshape.GetNumPlanes(); i++)
                        {
                            IndexedVector3 normal;
                            IndexedVector3 vtx;
                            polyshape.GetPlane(out normal, out vtx, i);
                            float d = IndexedVector3.Dot(vtx, normal);
                            vtx *= d;

                            String buf = " plane " + i;
                            DrawText(buf, ref vtx, ref colour);
                        }
                    }
                }

                if (shape.IsConcave() && !shape.IsInfinite())    //>getShapeType() == TRIANGLE_MESH_SHAPE_PROXYTYPE||shape.getShapeType() == GIMPACT_SHAPE_PROXYTYPE)
                //		if (shape.getShapeType() == TRIANGLE_MESH_SHAPE_PROXYTYPE)
                {
                    ConcaveShape concaveMesh = shape as ConcaveShape;

                    XNADrawcallback drawCallback = new XNADrawcallback(this, ref m);
                    drawCallback.m_wireframe = (debugMode & DebugDrawModes.DBG_DrawWireframe) != 0;

                    concaveMesh.ProcessAllTriangles(drawCallback, ref worldBoundsMin, ref worldBoundsMax);
                }

                //glDisable(GL_DEPTH_TEST);
                //glRasterPos3f(0,0,0);//mvtx.x(),  vtx.y(),  vtx.z());
                if ((debugMode & DebugDrawModes.DBG_DrawText) != 0)
                {
                    IndexedVector3 position = IndexedVector3.Zero;
                    IndexedVector3 colour   = new IndexedVector3(255, 255, 255);
                    DrawText(shape.GetName(), ref position, ref colour);
                }

                if ((debugMode & DebugDrawModes.DBG_DrawFeaturesText) != 0)
                {
                    //drawText(shape.getEx]
                    //BMF_DrawString(BMF_GetFont(BMF_kHelvetica10),shape.getExtraDebugInfo());
                }
                //glEnable(GL_DEPTH_TEST);

                ////	glPopMatrix();
                //if(m_textureenabled) glDisable(GL_TEXTURE_2D);
                //  }
                //    glPopMatrix();
            }
        }
Пример #24
0
        //----------------------------------------------------------------------------------------------------------------

        public override void InitializeDemo()
        {
            CollisionShape groundShape = new BoxShape(new IndexedVector3(50, 3, 50));

            //CollisionShape groundShape = new StaticPlaneShape(IndexedVector3.Up, 0f);


            m_collisionShapes.Add(groundShape);
            m_collisionConfiguration = new DefaultCollisionConfiguration();
            m_dispatcher             = new CollisionDispatcher(m_collisionConfiguration);
            IndexedVector3 worldMin = new IndexedVector3(-1000, -1000, -1000);
            IndexedVector3 worldMax = new IndexedVector3(1000, 1000, 1000);

            //m_broadphase = new AxisSweep3Internal(ref worldMin, ref worldMax, 0xfffe, 0xffff, 16384, null, false);
            m_broadphase = new SimpleBroadphase(100, null);

            m_constraintSolver = new SequentialImpulseConstraintSolver();
            m_dynamicsWorld    = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);

            //m_dynamicsWorld.setGravity(new IndexedVector3(0,0,0));
            IndexedMatrix tr = IndexedMatrix.CreateTranslation(0, -10, 0);

            //either use heightfield or triangle mesh

            //create ground object
            LocalCreateRigidBody(0f, ref tr, groundShape);

            CollisionShape chassisShape = new BoxShape(new IndexedVector3(1.0f, 0.5f, 2.0f));

            m_collisionShapes.Add(chassisShape);

            CompoundShape compound = new CompoundShape();

            m_collisionShapes.Add(compound);
            //localTrans effectively shifts the center of mass with respect to the chassis
            IndexedMatrix localTrans = IndexedMatrix.CreateTranslation(0, 1, 0);

            compound.AddChildShape(ref localTrans, chassisShape);

            {
                CollisionShape suppShape = new BoxShape(new IndexedVector3(0.5f, 0.1f, 0.5f));
                //localTrans effectively shifts the center of mass with respect to the chassis
                IndexedMatrix suppLocalTrans = IndexedMatrix.CreateTranslation(0f, 1.0f, 2.5f);
                compound.AddChildShape(ref suppLocalTrans, suppShape);
            }

            tr._origin = IndexedVector3.Zero;

            m_carChassis = LocalCreateRigidBody(800f, ref tr, compound);//chassisShape);
            //m_carChassis = LocalCreateRigidBody(800f, ref tr, chassisShape);//chassisShape);
            //CollisionShape liftShape = new BoxShape(new IndexedVector3(0.5f, 2.0f, 0.05f));
            //m_collisionShapes.Add(liftShape);
            //m_liftStartPos = new IndexedVector3(0.0f, 2.5f, 3.05f);

            //IndexedMatrix liftTrans = IndexedMatrix.CreateTranslation(m_liftStartPos);
            //m_liftBody = LocalCreateRigidBody(10f, ref liftTrans, liftShape);

            //IndexedMatrix localA = MathUtil.SetEulerZYX(0f, MathUtil.SIMD_HALF_PI, 0f);
            //localA._origin = new IndexedVector3(0f, 1.0f, 3.05f);

            //IndexedMatrix localB = MathUtil.SetEulerZYX(0f, MathUtil.SIMD_HALF_PI, 0f);
            //localB._origin = new IndexedVector3(0f, -1.5f, -0.05f);

            //m_liftHinge = new HingeConstraint(m_carChassis, m_liftBody, ref localA, ref localB);
            ////		m_liftHinge.setLimit(-LIFT_EPS, LIFT_EPS);
            //m_liftHinge.SetLimit(0.0f, 0.0f);
            //m_dynamicsWorld.AddConstraint(m_liftHinge, true);


            //CompoundShape forkCompound = new CompoundShape();
            //m_collisionShapes.Add(forkCompound);

            //IndexedMatrix forkLocalTrans = IndexedMatrix.Identity;
            //CollisionShape forkShapeA = new BoxShape(new IndexedVector3(1.0f, 0.1f, 0.1f));
            //m_collisionShapes.Add(forkShapeA);
            //forkCompound.AddChildShape(ref forkLocalTrans, forkShapeA);

            //CollisionShape forkShapeB = new BoxShape(new IndexedVector3(0.1f, 0.02f, 0.6f));
            //m_collisionShapes.Add(forkShapeB);
            //forkLocalTrans = IndexedMatrix.CreateTranslation(-0.9f, -0.08f, 0.7f);
            //forkCompound.AddChildShape(ref forkLocalTrans, forkShapeB);

            //CollisionShape forkShapeC = new BoxShape(new IndexedVector3(0.1f, 0.02f, 0.6f));
            //m_collisionShapes.Add(forkShapeC);
            //forkLocalTrans = IndexedMatrix.CreateTranslation(0.9f, -0.08f, 0.7f);
            //forkCompound.AddChildShape(ref forkLocalTrans, forkShapeC);

            //m_forkStartPos = new IndexedVector3(0.0f, 0.6f, 3.2f);
            //IndexedMatrix forkTrans = IndexedMatrix.CreateTranslation(m_forkStartPos);

            //m_forkBody = LocalCreateRigidBody(5f, ref forkTrans, forkCompound);

            //localA = MathUtil.SetEulerZYX(0f, 0f, MathUtil.SIMD_HALF_PI);
            //localA._origin = new IndexedVector3(0.0f, -1.9f, 0.05f);

            //IndexedVector3 col0 = MathUtil.matrixColumn(ref localA, 0);
            //IndexedVector3 col1 = MathUtil.matrixColumn(ref localA, 1);
            //IndexedVector3 col2 = MathUtil.matrixColumn(ref localA, 2);



            ////localB = MathUtil.setEulerZYX(0f, 0f, MathUtil.SIMD_HALF_PI);
            //localB = MathUtil.SetEulerZYX(0f, 0f, MathUtil.SIMD_HALF_PI);
            //localB._origin = new IndexedVector3(0.0f, 0.0f, -0.1f);

            //m_forkSlider = new SliderConstraint(m_liftBody, m_forkBody, ref localA, ref localB, true);

            //m_forkSlider.SetLowerLinLimit(0.1f);
            //m_forkSlider.SetUpperLinLimit(0.1f);
            ////		m_forkSlider.setLowerAngLimit(-LIFT_EPS);
            ////		m_forkSlider.setUpperAngLimit(LIFT_EPS);
            //m_forkSlider.SetLowerAngLimit(0.0f);
            //m_forkSlider.SetUpperAngLimit(0.0f);

            //IndexedMatrix localAVec = IndexedMatrix.Identity;
            //IndexedMatrix localBVec = IndexedMatrix.Identity;

            //m_forkSlider2 = new HingeConstraint(m_liftBody, m_forkBody, ref localAVec, ref localBVec);
            //m_dynamicsWorld.AddConstraint(m_forkSlider, true);
            //m_dynamicsWorld.addConstraint(m_forkSlider2, true);


            CompoundShape loadCompound = new CompoundShape(true);

            m_collisionShapes.Add(loadCompound);
            CollisionShape loadShapeA = new BoxShape(new IndexedVector3(2.0f, 0.5f, 0.5f));

            m_collisionShapes.Add(loadShapeA);
            IndexedMatrix loadTrans = IndexedMatrix.Identity;

            loadCompound.AddChildShape(ref loadTrans, loadShapeA);
            CollisionShape loadShapeB = new BoxShape(new IndexedVector3(0.1f, 1.0f, 1.0f));

            m_collisionShapes.Add(loadShapeB);
            loadTrans = IndexedMatrix.CreateTranslation(2.1f, 0.0f, 0.0f);
            loadCompound.AddChildShape(ref loadTrans, loadShapeB);
            CollisionShape loadShapeC = new BoxShape(new IndexedVector3(0.1f, 1.0f, 1.0f));

            m_collisionShapes.Add(loadShapeC);
            loadTrans = IndexedMatrix.CreateTranslation(-2.1f, 0.0f, 0.0f);
            loadCompound.AddChildShape(ref loadTrans, loadShapeC);
            m_loadStartPos = new IndexedVector3(0.0f, -3.5f, 7.0f);
            loadTrans      = IndexedMatrix.CreateTranslation(m_loadStartPos);

            m_loadBody = LocalCreateRigidBody(4f, ref loadTrans, loadCompound);


#if false
            {
                CollisionShape liftShape = new BoxShape(new IndexedVector3(0.5f, 2.0f, 0.05f));
                m_collisionShapes.Add(liftShape);
                IndexedMatrix liftTrans = IndexedMatrix.CreateTranslation(m_liftStartPos);
                m_liftBody = localCreateRigidBody(10f, ref liftTrans, liftShape);

                IndexedMatrix localA = MathUtil.setEulerZYX(0f, MathUtil.SIMD_HALF_PI, 0f);
                localA._origin = new IndexedVector3(0f, 1.0f, 3.05f);

                IndexedMatrix localB = MathUtil.setEulerZYX(0f, MathUtil.SIMD_HALF_PI, 0f);
                localB._origin = new IndexedVector3(0f, -1.5f, -0.05f);

                m_liftHinge = new HingeConstraint(m_carChassis, m_liftBody, ref localA, ref localB);
                //		m_liftHinge.setLimit(-LIFT_EPS, LIFT_EPS);
                m_liftHinge.setLimit(0.0f, 0.0f);
                m_dynamicsWorld.addConstraint(m_liftHinge, true);

                CollisionShape forkShapeA = new BoxShape(new IndexedVector3(1.0f, 0.1f, 0.1f));
                m_collisionShapes.Add(forkShapeA);
                CompoundShape forkCompound = new CompoundShape();
                m_collisionShapes.Add(forkCompound);
                IndexedMatrix forkLocalTrans = IndexedMatrix.Identity;
                forkCompound.addChildShape(ref forkLocalTrans, forkShapeA);

                CollisionShape forkShapeB = new BoxShape(new IndexedVector3(0.1f, 0.02f, 0.6f));
                m_collisionShapes.Add(forkShapeB);
                forkLocalTrans = IndexedMatrix.CreateTranslation(-0.9f, -0.08f, 0.7f);
                forkCompound.addChildShape(ref forkLocalTrans, forkShapeB);

                CollisionShape forkShapeC = new BoxShape(new IndexedVector3(0.1f, 0.02f, 0.6f));
                m_collisionShapes.Add(forkShapeC);
                forkLocalTrans = IndexedMatrix.CreateTranslation(0.9f, -0.08f, 0.7f);
                forkCompound.addChildShape(ref forkLocalTrans, forkShapeC);

                m_forkStartPos = new IndexedVector3(0.0f, 0.6f, 3.2f);
                IndexedMatrix forkTrans = IndexedMatrix.CreateTranslation(m_forkStartPos);

                m_forkBody = localCreateRigidBody(5f, ref forkTrans, forkCompound);

                localA         = MathUtil.setEulerZYX(0f, 0f, MathUtil.SIMD_HALF_PI);
                localA._origin = new IndexedVector3(0.0f, -1.9f, 0.05f);

                localB         = MathUtil.setEulerZYX(0f, 0f, MathUtil.SIMD_HALF_PI);
                localB._origin = new IndexedVector3(0.0f, 0.0f, -0.1f);

                m_forkSlider = new SliderConstraint(m_liftBody, m_forkBody, ref localA, ref localB, true);
                m_forkSlider.setLowerLinLimit(0.1f);
                m_forkSlider.setUpperLinLimit(0.1f);
                //		m_forkSlider.setLowerAngLimit(-LIFT_EPS);
                //		m_forkSlider.setUpperAngLimit(LIFT_EPS);
                m_forkSlider.setLowerAngLimit(0.0f);
                m_forkSlider.setUpperAngLimit(0.0f);
                m_dynamicsWorld.addConstraint(m_forkSlider, true);


                CompoundShape loadCompound = new CompoundShape();
                m_collisionShapes.Add(loadCompound);
                CollisionShape loadShapeA = new BoxShape(new IndexedVector3(2.0f, 0.5f, 0.5f));
                m_collisionShapes.Add(loadShapeA);
                IndexedMatrix loadTrans = IndexedMatrix.Identity;
                loadCompound.addChildShape(ref loadTrans, loadShapeA);
                CollisionShape loadShapeB = new BoxShape(new IndexedVector3(0.1f, 1.0f, 1.0f));
                m_collisionShapes.Add(loadShapeB);
                loadTrans = IndexedMatrix.CreateTranslation(2.1f, 0.0f, 0.0f);
                loadCompound.addChildShape(ref loadTrans, loadShapeB);
                CollisionShape loadShapeC = new BoxShape(new IndexedVector3(0.1f, 1.0f, 1.0f));
                m_collisionShapes.Add(loadShapeC);
                loadTrans = IndexedMatrix.CreateTranslation(-2.1f, 0.0f, 0.0f);
                loadCompound.addChildShape(ref loadTrans, loadShapeC);
                m_loadStartPos = new IndexedVector3(0.0f, -3.5f, 7.0f);
                loadTrans      = IndexedMatrix.CreateTranslation(m_loadStartPos);

                m_loadBody = localCreateRigidBody(4f, ref loadTrans, loadCompound);
            }
#endif
            //m_carChassis.setDamping(0.2f, 0.2f);

            ClientResetScene();

            /// create vehicle

            SetCameraDistance(26.0f);
            SetTexturing(true);
            SetShadows(true);
        }
Пример #25
0
        public override void InitializeDemo()
        {
            SetCameraDistance(30f);

            //string filename = @"E:\users\man\bullet\xna-basic-output-1.txt";
            //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
            //BulletGlobals.g_streamWriter = new StreamWriter(filestream);

            ///collision configuration contains default setup for memory, collision setup
            m_collisionConfiguration = new DefaultCollisionConfiguration();

            ///use the default collision dispatcher. For parallel processing you can use a diffent dispatcher (see Extras/BulletMultiThreaded)
            m_dispatcher = new CollisionDispatcher(m_collisionConfiguration);

            m_broadphase = new DbvtBroadphase();
            IOverlappingPairCache pairCache = null;

            //pairCache = new SortedOverlappingPairCache();

            m_broadphase = new SimpleBroadphase(1000, pairCache);

            ///the default constraint solver. For parallel processing you can use a different solver (see Extras/BulletMultiThreaded)
            SequentialImpulseConstraintSolver sol = new SequentialImpulseConstraintSolver();

            m_constraintSolver = sol;

            m_dynamicsWorld = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);

            IndexedVector3 gravity = new IndexedVector3(0, -10, 0);

            m_dynamicsWorld.SetGravity(ref gravity);

            ///create a few basic rigid bodies
            IndexedVector3 halfExtents = new IndexedVector3(50, 50, 50);
            //IndexedVector3 halfExtents = new IndexedVector3(10, 10, 10);
            CollisionShape groundShape = new BoxShape(ref halfExtents);

            //CollisionShape groundShape = new StaticPlaneShape(new IndexedVector3(0,1,0), 50);

            m_collisionShapes.Add(groundShape);

            IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, -50, 0));
            //IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0,-10,0));
            float mass = 0f;

            LocalCreateRigidBody(mass, ref groundTransform, groundShape);
            {
                int   numBlocksTall = 10; //18; //How many 'stories' tall.
                float blockWidth    = 6f; //Total width/length of the tower.
                float blockHeight   = 2f;


                //create a few dynamic rigidbodies
                IndexedVector3 extents        = new IndexedVector3(blockWidth / 3, blockHeight, blockWidth);
                IndexedVector3 boxHalfExtents = extents * 0.5f;

                CollisionShape colShape = new BoxShape(boxHalfExtents);
                //btCollisionShape* colShape = new btSphereShape(btScalar(1.));
                //CollisionShape colShape = new CylinderShape(new IndexedVector3(1f, 1, 1f));
                //m_collisionShapes.Add(colShape);

                /// Create Dynamic Objects
                IndexedMatrix startTransform = IndexedMatrix.Identity;

                mass = 1f;

                //rigidbody is dynamic if and only if mass is non zero, otherwise static
                bool isDynamic = mass != 0f;

                IndexedVector3 localInertia = IndexedVector3.Zero;
                if (isDynamic)
                {
                    colShape.CalculateLocalInertia(mass, out localInertia);
                }



                //The default number of iterations is 10, which works fine, but this demo
                //is all about stability (it's jenga!).  Increase the iterations a bit.
                //Even though it's using twice as many iterations, it will early-out
                //before reaching the limit MOST of the time.
                //It's still pretty playable at around 7-8 max iterations, though.

                IndexedMatrix transform = IndexedMatrix.Identity;
                for (int i = 0; i < numBlocksTall; i++)
                {
                    if (i % 2 == 0)
                    {
                        for (int j = 0; j < 3; j++)
                        {
                            transform = IndexedMatrix.Identity;
                            IndexedVector3 position = new IndexedVector3(j * (blockWidth / 3) - blockWidth / 3,
                                                                         blockHeight / 2 + i * (blockHeight),
                                                                         0);
                            //position += boxHalfExtents;
                            transform._origin = position;
                            RigidBody rb = LocalCreateRigidBody(mass, transform, colShape);
                            rb.SetActivationState(ActivationState.ISLAND_SLEEPING);
                        }
                    }
                    else
                    {
                        transform = IndexedMatrix.CreateRotationY(MathUtil.SIMD_HALF_PI);
                        for (int j = 0; j < 3; j++)
                        {
                            IndexedVector3 position = new IndexedVector3(0,
                                                                         blockHeight / 2 + (i) * (blockHeight),
                                                                         j * (blockWidth / 3) - blockWidth / 3f);
                            transform._origin = position;
                            //position += boxHalfExtents;
                            transform._origin = position;
                            RigidBody rb = LocalCreateRigidBody(mass, transform, colShape);
                            rb.SetActivationState(ActivationState.ISLAND_SLEEPING);
                        }
                    }
                }
                //game.Camera.Position = new Vector3(0, 5, 15);
            }

            ClientResetScene();
        }
Пример #26
0
        public override void InitializeDemo()
        {
            //maxiterations = 10;
            SetCameraDistance(SCALING * 50f);

            //string filename = @"E:\users\man\bullet\xna-basic-output-1.txt";
            //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
            //BulletGlobals.g_streamWriter = new StreamWriter(filestream);

            ///collision configuration contains default setup for memory, collision setup
            m_collisionConfiguration = new DefaultCollisionConfiguration();

            ///use the default collision dispatcher. For parallel processing you can use a diffent dispatcher (see Extras/BulletMultiThreaded)
            m_dispatcher = new CollisionDispatcher(m_collisionConfiguration);


            IndexedVector3 worldMin = new IndexedVector3(-1000, -1000, -1000);
            IndexedVector3 worldMax = -worldMin;

            m_broadphase = new AxisSweep3Internal(ref worldMin, ref worldMax, 0xfffe, 0xffff, 16384, null, false);

            //m_broadphase = new DbvtBroadphase();
            IOverlappingPairCache pairCache = null;
            //pairCache = new SortedOverlappingPairCache();

            //m_broadphase = new SimpleBroadphase(1000, pairCache);

            ///the default constraint solver. For parallel processing you can use a different solver (see Extras/BulletMultiThreaded)
            SequentialImpulseConstraintSolver sol = new SequentialImpulseConstraintSolver();

            m_constraintSolver = sol;

            m_dynamicsWorld = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);

            IndexedVector3 gravity = new IndexedVector3(0, -10, 0);

            m_dynamicsWorld.SetGravity(ref gravity);

            ///create a few basic rigid bodies
            IndexedVector3 halfExtents = new IndexedVector3(50, 50, 50);
            //IndexedVector3 halfExtents = new IndexedVector3(10, 10, 10);
            CollisionShape groundShape = new BoxShape(ref halfExtents);

            //CollisionShape groundShape = new StaticPlaneShape(new IndexedVector3(0,1,0), 50);

            m_collisionShapes.Add(groundShape);

            IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0, -50, 0));
            //IndexedMatrix groundTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(0,-10,0));
            float mass = 0f;

            LocalCreateRigidBody(mass, ref groundTransform, groundShape);
            {
                //create a few dynamic rigidbodies
                CollisionShape colShape = new BoxShape(new IndexedVector3(SCALING, SCALING, SCALING));
                //CollisionShape colShape = BuildCorner();
                //btCollisionShape* colShape = new btSphereShape(btScalar(1.));
                //CollisionShape colShape = new CylinderShape(new IndexedVector3(1f, 1, 1f));
                m_collisionShapes.Add(colShape);

                /// Create Dynamic Objects
                IndexedMatrix startTransform = IndexedMatrix.Identity;

                mass = 1f;

                //rigidbody is dynamic if and only if mass is non zero, otherwise static
                bool isDynamic = mass != 0f;

                IndexedVector3 localInertia = IndexedVector3.Zero;
                if (isDynamic)
                {
                    colShape.CalculateLocalInertia(mass, out localInertia);
                }
                float start_x = START_POS_X - ARRAY_SIZE_X / 2;
                float start_y = START_POS_Y;
                float start_z = START_POS_Z - ARRAY_SIZE_Z / 2;

                for (int k = 0; k < ARRAY_SIZE_Y; k++)
                {
                    for (int i = 0; i < ARRAY_SIZE_X; i++)
                    {
                        for (int j = 0; j < ARRAY_SIZE_Z; j++)
                        {
                            startTransform._origin = (new IndexedVector3(2.0f * i + start_x, 20 + 2.0f * k + start_y, 2.0f * j + start_z) * SCALING);

                            //using motionstate is recommended, it provides interpolation capabilities, and only synchronizes 'active' objects
                            DefaultMotionState        myMotionState = new DefaultMotionState(startTransform, IndexedMatrix.Identity);
                            RigidBodyConstructionInfo rbInfo        = new RigidBodyConstructionInfo(mass, myMotionState, colShape, localInertia);
                            RigidBody body = new RigidBody(rbInfo);
                            //body->setContactProcessingThreshold(colShape->getContactBreakingThreshold());
                            //body.SetActivationState(ActivationState.ISLAND_SLEEPING);

                            m_dynamicsWorld.AddRigidBody(body);
                            //body.SetActivationState(ActivationState.ISLAND_SLEEPING);
                            body.SetUserPointer(String.Format("Box X{0} Y{1} Z{2}", k, i, j));
                        }
                    }
                }
            }

            //ClientResetScene();
        }
        public override void InitializeDemo()
        {
            //string filename = @"E:\users\man\bullet\xna-concaveray-output-1.txt";
            //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
            //BulletGlobals.g_streamWriter = new StreamWriter(filestream);

            m_cameraDistance = 400f;
            m_farClip        = 1500f;
            m_perspective    = IndexedMatrix.CreatePerspectiveFieldOfView(MathHelper.ToRadians(40.0f), m_aspect, m_nearClip, m_farClip);


            m_animatedMesh = true;
            base.InitializeDemo();
            int totalTriangles = 2 * (NUM_VERTS_X - 1) * (NUM_VERTS_Y - 1);

            gVertices = new ObjectArray <IndexedVector3>(totalVerts);
            int indicesTotal = totalTriangles * 3;

            gIndices = new ObjectArray <int>(indicesTotal);

            BulletGlobals.gContactAddedCallback = null;

            SetVertexPositions(waveheight, 0f);

            int vertStride  = 1;
            int indexStride = 3;

            int index = 0;

            //for (int i=0;i<NUM_VERTS_X-1;i++)
            //{
            //    for (int j=0;j<NUM_VERTS_Y-1;j++)
            //    {
            //        gIndices[index++] = j * NUM_VERTS_X + i;
            //        gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;
            //        gIndices[index++] = j * NUM_VERTS_X + i + 1;

            //        gIndices[index++] = j * NUM_VERTS_X + i;
            //        gIndices[index++] = (j + 1) * NUM_VERTS_X + i;
            //        gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;

            //    }
            //}

            for (int i = 0; i < NUM_VERTS_X - 1; i++)
            {
                for (int j = 0; j < NUM_VERTS_Y - 1; j++)
                {
                    gIndices[index++] = j * NUM_VERTS_X + i;
                    gIndices[index++] = j * NUM_VERTS_X + i + 1;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;

                    gIndices[index++] = j * NUM_VERTS_X + i;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i + 1;
                    gIndices[index++] = (j + 1) * NUM_VERTS_X + i;
                }
            }

            TriangleIndexVertexArray indexVertexArrays = new TriangleIndexVertexArray(totalTriangles,
                                                                                      gIndices, indexStride, totalVerts, gVertices, vertStride);

            bool useQuantizedAabbCompression = true;

            float minX = NUM_VERTS_X * TRIANGLE_SIZE * 0.5f;
            float minZ = NUM_VERTS_Y * TRIANGLE_SIZE * 0.5f;

            //OptimizedBvh bvh = new OptimizedBvh();
            IndexedVector3 aabbMin = new IndexedVector3(-minX, -5, -minZ);
            IndexedVector3 aabbMax = new IndexedVector3(minX, 5, minZ);



            m_trimeshShape = new BvhTriangleMeshShape(indexVertexArrays, useQuantizedAabbCompression, ref aabbMin, ref aabbMax, true);
            //m_trimeshShape = new BvhTriangleMeshShape(indexVertexArrays, useQuantizedAabbCompression,true);
            IndexedVector3 scaling     = IndexedVector3.One;
            CollisionShape groundShape = m_trimeshShape;
            //groundShape = new TriangleMeshShape(indexVertexArrays);
            //groundShape = new StaticPlaneShape(IndexedVector3.Up, 0f);
            IndexedVector3 up = new IndexedVector3(0.4f, 1, 0);

            up.Normalize();
            //groundShape = new StaticPlaneShape(up, 0f);
            //groundShape = new BoxShape(new IndexedVector3(1000, 10, 1000));
            m_collisionConfiguration = new DefaultCollisionConfiguration();
            m_dispatcher             = new      CollisionDispatcher(m_collisionConfiguration);

            IndexedVector3 worldMin = aabbMin;
            IndexedVector3 worldMax = aabbMax;

            m_broadphase       = new AxisSweep3Internal(ref worldMin, ref worldMax, 0xfffe, 0xffff, 16384, null, false);
            m_constraintSolver = new SequentialImpulseConstraintSolver();
            m_dynamicsWorld    = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);

            float         mass           = 0f;
            IndexedMatrix startTransform = IndexedMatrix.CreateTranslation(new IndexedVector3(2, -2, 0));


            startTransform = IndexedMatrix.Identity;
            staticBody     = LocalCreateRigidBody(mass, ref startTransform, groundShape);

            staticBody.SetCollisionFlags(staticBody.GetCollisionFlags() | CollisionFlags.CF_KINEMATIC_OBJECT);            //STATIC_OBJECT);

            //enable custom material callback
            staticBody.SetCollisionFlags(staticBody.GetCollisionFlags() | CollisionFlags.CF_CUSTOM_MATERIAL_CALLBACK);

            //m_raycastBar = new btRaycastBar (m_debugDraw,4000.0f, 0.0f,-1000,30);
            m_raycastBar       = new btRaycastBar(m_debugDraw, 300.0f, 0.0f, -1000, 200, worldMin.X, worldMax.X);
            m_raycastBar.min_x = -100;
            m_raycastBar.max_x = -100;

            ClientResetScene();
        }
Пример #28
0
        //----------------------------------------------------------------------------------------------------------------

        public override void InitializeDemo()
        {
            CollisionShape groundShape = new BoxShape(new IndexedVector3(50, 0.1f, 50));

            IndexedVector3 wheelDimensions = new IndexedVector3(wheelWidth, wheelRadius, wheelRadius);

            m_wheelShape = new CylinderShapeX(ref wheelDimensions);

            m_collisionShapes.Add(groundShape);
            m_collisionConfiguration = new DefaultCollisionConfiguration();
            m_dispatcher             = new CollisionDispatcher(m_collisionConfiguration);
            IndexedVector3 worldMin = new IndexedVector3(-1000, -1000, -1000);
            IndexedVector3 worldMax = new IndexedVector3(1000, 1000, 1000);

            m_broadphase = new AxisSweep3Internal(ref worldMin, ref worldMax, 0xfffe, 0xffff, 16384, null, false);

            m_constraintSolver = new SequentialImpulseConstraintSolver();
            m_dynamicsWorld    = new DiscreteDynamicsWorld(m_dispatcher, m_broadphase, m_constraintSolver, m_collisionConfiguration);

            IndexedMatrix tr = IndexedMatrix.CreateTranslation(0, -10, 0);

            LocalCreateRigidBody(0f, ref tr, groundShape);

#if true
            CollisionShape chassisShape = new BoxShape(new IndexedVector3(1.0f, 0.5f, 2.0f));
            //CollisionShape chassisShape = new BoxShape(new IndexedVector3(1.0f, 0.5f, 1.0f));
            m_collisionShapes.Add(chassisShape);

            CompoundShape compound = new CompoundShape();
            m_collisionShapes.Add(compound);
            //localTrans effectively shifts the center of mass with respect to the chassis
            IndexedMatrix localTrans = IndexedMatrix.CreateTranslation(0, 1, 0);

            compound.AddChildShape(ref localTrans, chassisShape);

            {
                CollisionShape suppShape = new BoxShape(new IndexedVector3(0.5f, 0.1f, 0.5f));
                //localTrans effectively shifts the center of mass with respect to the chassis
                IndexedMatrix suppLocalTrans = IndexedMatrix.CreateTranslation(0f, 1.0f, 2.5f);
                compound.AddChildShape(ref suppLocalTrans, suppShape);
            }

            tr._origin = IndexedVector3.Zero;

            m_carChassis = LocalCreateRigidBody(800f, ref tr, compound);//chassisShape);
#endif

            {
#if true
                CollisionShape liftShape = new BoxShape(new IndexedVector3(0.5f, 2.0f, 0.05f));
                m_collisionShapes.Add(liftShape);
                m_liftStartPos = new IndexedVector3(0.0f, 2.5f, 3.05f);
                IndexedMatrix liftTrans = IndexedMatrix.CreateTranslation(m_liftStartPos);
                m_liftBody = LocalCreateRigidBody(10f, ref liftTrans, liftShape);

                IndexedMatrix localA = MathUtil.SetEulerZYX(0f, MathUtil.SIMD_HALF_PI, 0f);
                localA._origin = new IndexedVector3(0f, 1.0f, 3.05f);

                IndexedMatrix localB = MathUtil.SetEulerZYX(0f, MathUtil.SIMD_HALF_PI, 0f);
                localB._origin = new IndexedVector3(0f, -1.5f, -0.05f);

                m_liftHinge = new HingeConstraint(m_carChassis, m_liftBody, ref localA, ref localB);
                MathUtil.PrintMatrix(BulletGlobals.g_streamWriter, "hinge aFrame", m_liftHinge.GetAFrame());
                MathUtil.PrintMatrix(BulletGlobals.g_streamWriter, "hinge bFrame", m_liftHinge.GetBFrame());

                m_liftHinge.SetLimit(0.0f, 0.0f);
                m_dynamicsWorld.AddConstraint(m_liftHinge, true);

                CollisionShape forkShapeA = new BoxShape(new IndexedVector3(1.0f, 0.1f, 0.1f));
                m_collisionShapes.Add(forkShapeA);
                CompoundShape forkCompound = new CompoundShape();
                m_collisionShapes.Add(forkCompound);
                IndexedMatrix forkLocalTrans = IndexedMatrix.Identity;
                forkCompound.AddChildShape(ref forkLocalTrans, forkShapeA);

                CollisionShape forkShapeB = new BoxShape(new IndexedVector3(0.1f, 0.02f, 0.6f));
                m_collisionShapes.Add(forkShapeB);
                forkLocalTrans = IndexedMatrix.CreateTranslation(-0.9f, -0.08f, 0.7f);
                forkCompound.AddChildShape(ref forkLocalTrans, forkShapeB);

                CollisionShape forkShapeC = new BoxShape(new IndexedVector3(0.1f, 0.02f, 0.6f));
                m_collisionShapes.Add(forkShapeC);
                forkLocalTrans = IndexedMatrix.CreateTranslation(0.9f, -0.08f, 0.7f);
                forkCompound.AddChildShape(ref forkLocalTrans, forkShapeC);

                m_forkStartPos = new IndexedVector3(0.0f, 0.6f, 3.2f);
                IndexedMatrix forkTrans = IndexedMatrix.CreateTranslation(m_forkStartPos);

                m_forkBody = LocalCreateRigidBody(5f, ref forkTrans, forkCompound);

                localA = IndexedMatrix.Identity;
                localB = IndexedMatrix.Identity;
                localA._basis.SetEulerZYX(0, 0, MathUtil.SIMD_HALF_PI);
                localA._origin = new IndexedVector3(0.0f, -1.9f, 0.05f);
                localB._basis.SetEulerZYX(0, 0, MathUtil.SIMD_HALF_PI);
                localB._origin = new IndexedVector3(0.0f, 0.0f, -0.1f);

                m_forkSlider = new SliderConstraint(m_liftBody, m_forkBody, ref localA, ref localB, true);
                m_forkSlider.SetLowerLinLimit(0.1f);
                m_forkSlider.SetUpperLinLimit(0.1f);
                //		m_forkSlider.setLowerAngLimit(-LIFT_EPS);
                //		m_forkSlider.setUpperAngLimit(LIFT_EPS);
                m_forkSlider.SetLowerAngLimit(0.0f);
                m_forkSlider.SetUpperAngLimit(0.0f);
                m_dynamicsWorld.AddConstraint(m_forkSlider, true);
#endif
#if true
                CompoundShape loadCompound = new CompoundShape(false);
                m_collisionShapes.Add(loadCompound);
                CollisionShape loadShapeA = new BoxShape(new IndexedVector3(2.0f, 0.5f, 0.5f));
                m_collisionShapes.Add(loadShapeA);
                IndexedMatrix loadTrans = IndexedMatrix.Identity;
                loadCompound.AddChildShape(ref loadTrans, loadShapeA);
                CollisionShape loadShapeB = new BoxShape(new IndexedVector3(0.1f, 1.0f, 1.0f));
                m_collisionShapes.Add(loadShapeB);
                loadTrans = IndexedMatrix.CreateTranslation(2.1f, 0.0f, 0.0f);
                loadCompound.AddChildShape(ref loadTrans, loadShapeB);
                CollisionShape loadShapeC = new BoxShape(new IndexedVector3(0.1f, 1.0f, 1.0f));
                m_collisionShapes.Add(loadShapeC);
                loadTrans = IndexedMatrix.CreateTranslation(-2.1f, 0.0f, 0.0f);
                loadCompound.AddChildShape(ref loadTrans, loadShapeC);
                m_loadStartPos = new IndexedVector3(0.0f, -3.5f, 7.0f);
                loadTrans      = IndexedMatrix.CreateTranslation(m_loadStartPos);

                m_loadBody = LocalCreateRigidBody(4f, ref loadTrans, loadCompound);
#endif
            }
            //m_carChassis.setDamping(0.2f, 0.2f);

            ClientResetScene();

            /// create vehicle
            {
                m_vehicleRayCaster = new DefaultVehicleRaycaster(m_dynamicsWorld);
                m_vehicle          = new RaycastVehicle(m_tuning, m_carChassis, m_vehicleRayCaster);

                ///never deactivate the vehicle
                m_carChassis.SetActivationState(ActivationState.DISABLE_DEACTIVATION);

                m_dynamicsWorld.AddVehicle(m_vehicle);

                float connectionHeight = 1.2f;

                bool isFrontWheel = true;

                //choose coordinate system
                m_vehicle.SetCoordinateSystem(rightIndex, upIndex, forwardIndex);

                IndexedVector3 connectionPointCS0 = IndexedVector3.Zero;
                //connectionPointCS0 = new IndexedVector3(CUBE_HALF_EXTENTS, connectionHeight, CUBE_HALF_EXTENTS);
                //m_vehicle.addWheel(ref connectionPointCS0, ref wheelDirectionCS0, ref wheelAxleCS, suspensionRestLength, wheelRadius, m_tuning, isFrontWheel);

                connectionPointCS0 = new IndexedVector3(CUBE_HALF_EXTENTS - (0.3f * wheelWidth), connectionHeight, 2.0f * CUBE_HALF_EXTENTS - wheelRadius);
                m_vehicle.AddWheel(ref connectionPointCS0, ref wheelDirectionCS0, ref wheelAxleCS, suspensionRestLength, wheelRadius, m_tuning, isFrontWheel);

                connectionPointCS0 = new IndexedVector3(-CUBE_HALF_EXTENTS + (0.3f * wheelWidth), connectionHeight, 2.0f * CUBE_HALF_EXTENTS - wheelRadius);
                m_vehicle.AddWheel(ref connectionPointCS0, ref wheelDirectionCS0, ref wheelAxleCS, suspensionRestLength, wheelRadius, m_tuning, isFrontWheel);

                //isFrontWheel = false;
                connectionPointCS0 = new IndexedVector3(-CUBE_HALF_EXTENTS + (0.3f * wheelWidth), connectionHeight, -2.0f * CUBE_HALF_EXTENTS + wheelRadius);
                m_vehicle.AddWheel(ref connectionPointCS0, ref wheelDirectionCS0, ref wheelAxleCS, suspensionRestLength, wheelRadius, m_tuning, isFrontWheel);

                connectionPointCS0 = new IndexedVector3(CUBE_HALF_EXTENTS - (0.3f * wheelWidth), connectionHeight, -2.0f * CUBE_HALF_EXTENTS + wheelRadius);
                m_vehicle.AddWheel(ref connectionPointCS0, ref wheelDirectionCS0, ref wheelAxleCS, suspensionRestLength, wheelRadius, m_tuning, isFrontWheel);

                for (int i = 0; i < m_vehicle.GetNumWheels(); i++)
                {
                    WheelInfo wheel = m_vehicle.GetWheelInfo(i);
                    wheel.m_suspensionStiffness      = suspensionStiffness;
                    wheel.m_wheelsDampingRelaxation  = suspensionDamping;
                    wheel.m_wheelsDampingCompression = suspensionCompression;
                    wheel.m_frictionSlip             = wheelFriction;
                    wheel.m_rollInfluence            = rollInfluence;
                }
            }

            SetCameraDistance(36.0f);
            SetTexturing(true);
            SetShadows(true);
        }
Пример #29
0
        //----------------------------------------------------------------------------------------------------------------

        public override void  ClientResetScene()
        {
            base.ClientResetScene();
            gVehicleSteering = 0.0f;
            gBreakingForce   = defaultBreakingForce;
            gEngineForce     = 0.0f;
            IndexedMatrix ident = IndexedMatrix.Identity;

            m_carChassis.SetCenterOfMassTransform(ref ident);
            IndexedVector3 zero = IndexedVector3.Zero;

            m_carChassis.SetLinearVelocity(ref zero);
            m_carChassis.SetAngularVelocity(ref zero);
            m_dynamicsWorld.GetBroadphase().GetOverlappingPairCache().CleanProxyFromPairs(m_carChassis.GetBroadphaseHandle(), GetDynamicsWorld().GetDispatcher());
            if (m_vehicle != null)
            {
                m_vehicle.ResetSuspension();
                for (int i = 0; i < m_vehicle.GetNumWheels(); i++)
                {
                    //synchronize the wheels with the (interpolated) chassis worldtransform
                    m_vehicle.UpdateWheelTransform(i, true);
                }
            }
            if (m_liftBody != null)
            {
                IndexedMatrix liftTrans = IndexedMatrix.CreateTranslation(m_liftStartPos);
                m_liftBody.Activate();
                m_liftBody.SetCenterOfMassTransform(ref liftTrans);
                m_liftBody.SetLinearVelocity(ref zero);
                m_liftBody.SetAngularVelocity(ref zero);
            }

            if (m_forkBody != null)
            {
                IndexedMatrix forkTrans = IndexedMatrix.CreateTranslation(m_forkStartPos);
                m_forkBody.Activate();
                m_forkBody.SetCenterOfMassTransform(ref forkTrans);
                m_forkBody.SetLinearVelocity(ref zero);
                m_forkBody.SetAngularVelocity(ref zero);
            }

            if (m_liftHinge != null)
            {
                //	m_liftHinge.setLimit(-LIFT_EPS, LIFT_EPS);
                m_liftHinge.SetLimit(0.0f, 0.0f);
                m_liftHinge.EnableAngularMotor(false, 0, 0);
            }

            if (m_forkSlider != null)
            {
                m_forkSlider.SetLowerLinLimit(0.1f);
                m_forkSlider.SetUpperLinLimit(0.1f);
                m_forkSlider.SetPoweredLinMotor(false);
            }

            if (m_loadBody != null)
            {
                IndexedMatrix loadTrans = IndexedMatrix.CreateTranslation(m_loadStartPos);
                m_loadBody.Activate();
                m_loadBody.SetCenterOfMassTransform(ref loadTrans);
                m_loadBody.SetLinearVelocity(ref zero);
                m_loadBody.SetAngularVelocity(ref zero);
            }
        }