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); }
public override BulletConstraint CreateConeTwistConstraint(BulletWorld pWorld, BulletBody pBody1, BulletBody pBody2, Vector3 pframe1, Quaternion pframe1rot, Vector3 pframe2, Quaternion pframe2rot, bool pdisableCollisionsBetweenLinkedBodies) { ConeTwistConstraint constrain = null; DiscreteDynamicsWorld world = (pWorld as BulletWorldXNA).world; RigidBody rb1 = (pBody1 as BulletBodyXNA).rigidBody; RigidBody rb2 = (pBody2 as BulletBodyXNA).rigidBody; if (rb1 != null && rb2 != null) { IndexedVector3 frame1v = new IndexedVector3(pframe1.X, pframe1.Y, pframe1.Z); IndexedQuaternion frame1rot = new IndexedQuaternion(pframe1rot.X, pframe1rot.Y, pframe1rot.Z, pframe1rot.W); IndexedMatrix frame1 = IndexedMatrix.CreateFromQuaternion(frame1rot); frame1._origin = frame1v; IndexedVector3 frame2v = new IndexedVector3(pframe2.X, pframe2.Y, pframe2.Z); IndexedQuaternion frame2rot = new IndexedQuaternion(pframe2rot.X, pframe2rot.Y, pframe2rot.Z, pframe2rot.W); IndexedMatrix frame2 = IndexedMatrix.CreateFromQuaternion(frame2rot); frame2._origin = frame1v; constrain = new ConeTwistConstraint(rb1, rb2, ref frame1, ref frame2); world.AddConstraint(constrain, pdisableCollisionsBetweenLinkedBodies); } return new BulletConstraintXNA(constrain); }
public override void InitializeDemo() { //string filename = @"E:\users\man\bullet\xna-constraint-output.txt"; //FileStream filestream = File.Open(filename, FileMode.Create, FileAccess.Write, FileShare.Read); //BulletGlobals.g_streamWriter = new StreamWriter(filestream); //maxiterations = 100; 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 with a breaking threshold { trans = IndexedMatrix.Identity; trans._origin = new IndexedVector3(1,30,-5); LocalCreateRigidBody( mass,trans,shape); trans._origin = new IndexedVector3(0,0,-5); RigidBody body0 = LocalCreateRigidBody( mass,trans,shape); trans._origin = new IndexedVector3(2*CUBE_HALF_EXTENTS,20,0); mass = 1.0f; RigidBody body1 = null;//localCreateRigidBody( mass,trans,shape); IndexedVector3 pivotInA = new IndexedVector3(CUBE_HALF_EXTENTS,CUBE_HALF_EXTENTS,0); TypedConstraint p2p = new Point2PointConstraint(body0,ref pivotInA); m_dynamicsWorld.AddConstraint(p2p); p2p.SetBreakingImpulseThreshold(10.2f); p2p.SetDbgDrawSize(5.0f); } #endif #if true //point to point constraint (ball socket) //SEEMS OK { //trans = IndexedMatrix.Identity; 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; #if P2P TypedConstraint p2p = new Point2PointConstraint(body0,ref pivotInA); //btTypedConstraint* p2p = new btPoint2PointConstraint(*body0,*body1,pivotInA,pivotInB); //btTypedConstraint* hinge = new btHingeConstraint(*body0,*body1,pivotInA,pivotInB,axisInA,axisInB); m_dynamicsWorld.AddConstraint(p2p); p2p.SetDbgDrawSize(5.0f); #else 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 } #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(new IndexedQuaternion(sliderAxis,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.SetAngularLowerLimit(new IndexedVector3(-MathUtil.SIMD_PI, 0, 0)); spSlider6Dof.SetAngularUpperLimit(new IndexedVector3(1.5f, 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 * 0.6f, MathUtil.SIMD_QUARTER_PI, MathUtil.SIMD_PI * 0.8f, 0.5f); // 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 #if true { // 6DOF connected to the world, with motor IndexedMatrix tr = IndexedMatrix.CreateTranslation(10,-15,0); RigidBody pBody = LocalCreateRigidBody( 1.0f, ref tr, shape); pBody.SetActivationState(ActivationState.DISABLE_DEACTIVATION); IndexedMatrix frameB = IndexedMatrix.Identity; Generic6DofConstraint pGen6Dof = new Generic6DofConstraint(pBody, ref frameB, false ); m_dynamicsWorld.AddConstraint(pGen6Dof); pGen6Dof.SetDbgDrawSize(5.0f); pGen6Dof.SetAngularLowerLimit(new IndexedVector3(0,0,0)); pGen6Dof.SetAngularUpperLimit(new IndexedVector3(0,0,0)); pGen6Dof.SetLinearLowerLimit(new IndexedVector3(-10.0f, 0, 0)); pGen6Dof.SetLinearUpperLimit(new IndexedVector3(10.0f, 0, 0)); pGen6Dof.GetTranslationalLimitMotor().m_enableMotor[0] = true; pGen6Dof.GetTranslationalLimitMotor().m_targetVelocity[0] = 5.0f; pGen6Dof.GetTranslationalLimitMotor().m_maxMotorForce[0] = 0.1f; } #endif }