public GImpactTestDemoSimulation()
{
CollisionConfiguration = new DefaultCollisionConfiguration();
Dispatcher = new CollisionDispatcher(CollisionConfiguration);
//Broadphase = new SimpleBroadphase();
Broadphase = new AxisSweep3_32Bit(new Vector3(-10000, -10000, -10000), new Vector3(10000, 10000, 10000), 1024);
World = new DiscreteDynamicsWorld(Dispatcher, Broadphase, null, CollisionConfiguration);
GImpactCollisionAlgorithm.RegisterAlgorithm(Dispatcher);
_torusShapeData = new TriangleIndexVertexArray(Torus.Indices, Torus.Vertices);
_torusShape = CreateGImpactShape(_torusShapeData);
_bunnyShapeData = new TriangleIndexVertexArray(Bunny.Indices, Bunny.Vertices);
_bunnyShape = CreateGImpactShape(_bunnyShapeData);
CreateStaticScene();
CreateTorusChain();
CreateBoxes();
}
/*
* Does not set any local variables. Is safe to use to create duplicate physics worlds for independant simulation.
*/
public bool CreatePhysicsWorld(out CollisionWorld world,
out CollisionConfiguration collisionConfig,
out CollisionDispatcher dispatcher,
out BroadphaseInterface broadphase,
out ConstraintSolver solver,
out SoftBodyWorldInfo softBodyWorldInfo)
{
bool success = true;
if (m_worldType == WorldType.SoftBodyAndRigidBody && m_collisionType == CollisionConfType.DefaultDynamicsWorldCollisionConf)
{
Debug.LogError("For World Type = SoftBodyAndRigidBody collisionType must be collisionType=SoftBodyRigidBodyCollisionConf. Switching");
m_collisionType = CollisionConfType.SoftBodyRigidBodyCollisionConf;
success = false;
}
collisionConfig = null;
if (m_collisionType == CollisionConfType.DefaultDynamicsWorldCollisionConf)
{
collisionConfig = new DefaultCollisionConfiguration();
}
else if (m_collisionType == CollisionConfType.SoftBodyRigidBodyCollisionConf)
{
collisionConfig = new SoftBodyRigidBodyCollisionConfiguration();
}
dispatcher = new CollisionDispatcher(collisionConfig);
if (m_broadphaseType == BroadphaseType.DynamicAABBBroadphase)
{
broadphase = new DbvtBroadphase();
}
else if (m_broadphaseType == BroadphaseType.Axis3SweepBroadphase)
{
broadphase = new AxisSweep3(m_axis3SweepBroadphaseMin.ToBullet(), m_axis3SweepBroadphaseMax.ToBullet(), axis3SweepMaxProxies);
}
else if (m_broadphaseType == BroadphaseType.Axis3SweepBroadphase_32bit)
{
broadphase = new AxisSweep3_32Bit(m_axis3SweepBroadphaseMin.ToBullet(), m_axis3SweepBroadphaseMax.ToBullet(), axis3SweepMaxProxies);
}
else
{
broadphase = null;
}
world = null;
softBodyWorldInfo = null;
solver = null;
if (m_worldType == WorldType.CollisionOnly)
{
world = new CollisionWorld(dispatcher, broadphase, collisionConfig);
}
else if (m_worldType == WorldType.RigidBodyDynamics)
{
switch (solverType)
{
case SolverType.MLCP:
DantzigSolver dtsolver = new DantzigSolver();
solver = new MlcpSolver(dtsolver);
break;
default:
break;
}
world = new DiscreteDynamicsWorld(dispatcher, broadphase, solver, collisionConfig);
}
else if (m_worldType == WorldType.MultiBodyWorld)
{
MultiBodyConstraintSolver mbConstraintSolver = null;
switch (solverType)
{
/* case SolverType.MLCP:
* DantzigSolver dtsolver = new DantzigSolver();
* mbConstraintSolver = new MultiBodyMLCPConstraintSolver(dtsolver);
* break;*/
default:
mbConstraintSolver = new MultiBodyConstraintSolver();
break;
}
world = new MultiBodyDynamicsWorld(dispatcher, broadphase, mbConstraintSolver, collisionConfig);
}
else if (m_worldType == WorldType.SoftBodyAndRigidBody)
{
SequentialImpulseConstraintSolver siConstraintSolver = new SequentialImpulseConstraintSolver();
constraintSolver = siConstraintSolver;
siConstraintSolver.RandSeed = sequentialImpulseConstraintSolverRandomSeed;
m_world = new SoftRigidDynamicsWorld(Dispatcher, Broadphase, siConstraintSolver, CollisionConf);
_ddWorld = (DiscreteDynamicsWorld)m_world;;
SoftRigidDynamicsWorld _sworld = (SoftRigidDynamicsWorld)m_world;
m_world.DispatchInfo.EnableSpu = true;
_sworld.WorldInfo.SparseSdf.Initialize();
_sworld.WorldInfo.SparseSdf.Reset();
_sworld.WorldInfo.AirDensity = 1.2f;
_sworld.WorldInfo.WaterDensity = 0;
_sworld.WorldInfo.WaterOffset = 0;
_sworld.WorldInfo.WaterNormal = BulletSharp.Math.Vector3.Zero;
_sworld.WorldInfo.Gravity = m_gravity.ToBullet();
}
if (world is DiscreteDynamicsWorld)
{
((DiscreteDynamicsWorld)world).Gravity = m_gravity.ToBullet();
}
if (_doDebugDraw)
{
DebugDrawUnity db = new DebugDrawUnity();
db.DebugMode = _debugDrawMode;
world.DebugDrawer = db;
}
return(success);
}
public Physics()
{
// collision configuration contains default setup for memory, collision setup
CollisionConf = new DefaultCollisionConfiguration();
Dispatcher = new CollisionDispatcher(CollisionConf);
//Broadphase = new SimpleBroadphase();
Broadphase = new AxisSweep3_32Bit(new Vector3(-10000, -10000, -10000), new Vector3(10000, 10000, 10000), 1024);
Solver = new SequentialImpulseConstraintSolver();
World = new DiscreteDynamicsWorld(Dispatcher, Broadphase, Solver, CollisionConf);
World.Gravity = new Vector3(0, -10, 0);
//create trimesh model and shape
InitGImpactCollision();
/// Create Scene
float mass = 0.0f;
CollisionShape staticboxShape1 = new BoxShape(200, 1, 200);//floor
CollisionShapes.Add(staticboxShape1);
LocalCreateRigidBody(mass, Matrix.Translation(0, -10, 0), staticboxShape1);
CollisionShape staticboxShape2 = new BoxShape(1, 50, 200);//left wall
CollisionShapes.Add(staticboxShape2);
LocalCreateRigidBody(mass, Matrix.Translation(-200, 15, 0), staticboxShape2);
CollisionShape staticboxShape3 = new BoxShape(1, 50, 200);//right wall
CollisionShapes.Add(staticboxShape3);
LocalCreateRigidBody(mass, Matrix.Translation(200, 15, 0), staticboxShape3);
CollisionShape staticboxShape4 = new BoxShape(200, 50, 1);//front wall
CollisionShapes.Add(staticboxShape4);
LocalCreateRigidBody(mass, Matrix.Translation(0, 15, 200), staticboxShape4);
CollisionShape staticboxShape5 = new BoxShape(200, 50, 1);//back wall
CollisionShapes.Add(staticboxShape5);
LocalCreateRigidBody(mass, Matrix.Translation(0, 15, -200), staticboxShape5);
//static plane
Vector3 normal = new Vector3(-0.5f, 0.5f, 0.0f);
normal.Normalize();
CollisionShape staticplaneShape6 = new StaticPlaneShape(normal, 0.5f);// A plane
CollisionShapes.Add(staticplaneShape6);
RigidBody staticBody2 = LocalCreateRigidBody(mass, Matrix.Translation(0, -9, 0), staticplaneShape6);
//another static plane
normal = new Vector3(0.5f, 0.7f, 0.0f);
//normal.Normalize();
CollisionShape staticplaneShape7 = new StaticPlaneShape(normal, 0.0f);// A plane
CollisionShapes.Add(staticplaneShape7);
staticBody2 = LocalCreateRigidBody(mass, Matrix.Translation(0, -10, 0), staticplaneShape7);
/// Create Static Torus
float height = 28;
float step = 2.5f;
float massT = 1.0f;
Matrix startTransform =
Matrix.RotationQuaternion(Quaternion.RotationYawPitchRoll((float)Math.PI * 0.5f, 0, (float)Math.PI * 0.5f)) *
Matrix.Translation(0, height, -5);
#if BULLET_GIMPACT
kinematicTorus = LocalCreateRigidBody(0, startTransform, trimeshShape);
#else
//kinematicTorus = LocalCreateRigidBody(0, startTransform, CreateTorusShape());
#endif
//kinematicTorus.CollisionFlags = kinematicTorus.CollisionFlags | CollisionFlags.StaticObject;
//kinematicTorus.ActivationState = ActivationState.IslandSleeping;
kinematicTorus.CollisionFlags = kinematicTorus.CollisionFlags | CollisionFlags.KinematicObject;
kinematicTorus.ActivationState = ActivationState.DisableDeactivation;
// Kinematic
kinTorusTran = new Vector3(-0.1f, 0, 0);
kinTorusRot = Quaternion.RotationYawPitchRoll(0, (float)Math.PI * 0.01f, 0);
#if TEST_GIMPACT_TORUS
#if BULLET_GIMPACT
// Create dynamic Torus
for (int i = 0; i < 6; i++)
{
height -= step;
startTransform =
Matrix.RotationQuaternion(Quaternion.RotationYawPitchRoll(0, 0, (float)Math.PI * 0.5f)) *
Matrix.Translation(0, height, -5);
RigidBody bodyA = LocalCreateRigidBody(massT, startTransform, trimeshShape);
height -= step;
startTransform =
Matrix.RotationQuaternion(Quaternion.RotationYawPitchRoll((float)Math.PI * 0.5f, 0, (float)Math.PI * 0.5f)) *
Matrix.Translation(0, height, -5);
RigidBody bodyB = LocalCreateRigidBody(massT, startTransform, trimeshShape);
}
#else
/*
* // Create dynamic Torus
* for (int i = 0; i < 6; i++)
* {
* height -= step;
* startTransform.setOrigin(btVector3(0, height, -5));
* startTransform.setRotation(btQuaternion(0, 0, 3.14159265 * 0.5));
*
* btRigidBody* bodyA = localCreateRigidBody(massT, startTransform, createTorusShape());
*
* height -= step;
* startTransform.setOrigin(btVector3(0, height, -5));
* startTransform.setRotation(btQuaternion(3.14159265 * 0.5, 0, 3.14159265 * 0.5));
* btRigidBody* bodyB = localCreateRigidBody(massT, startTransform, createTorusShape());
* }
*/
#endif
#endif
// Create Dynamic Boxes
for (int i = 0; i < 8; i++)
{
CollisionShape boxShape = new BoxShape(new Vector3(1, 1, 1));
CollisionShapes.Add(boxShape);
LocalCreateRigidBody(1, Matrix.Translation(2 * i - 5, 2, -3), boxShape);
}
}
//Does not set any local variables. Is safe to use to create duplicate physics worlds for independant simulation.
public void CreatePhysicsWorld
(
out CollisionWorld world,
out CollisionConfiguration collisionConfig,
out CollisionDispatcher dispatcher,
out BroadphaseInterface broadphase,
out ConstraintSolver solver,
out SoftBodyWorldInfo softBodyWorldInfo
)
{
collisionConfig = null;
switch (physicWorldParameters.collisionType)
{
default:
case CollisionConfType.DefaultDynamicsWorldCollisionConf:
collisionConfig = new DefaultCollisionConfiguration();
break;
case CollisionConfType.SoftBodyRigidBodyCollisionConf:
collisionConfig = new SoftBodyRigidBodyCollisionConfiguration();
break;
}
dispatcher = new CollisionDispatcher(collisionConfig);
switch (physicWorldParameters.broadphaseType)
{
default:
case BroadphaseType.DynamicAABBBroadphase:
broadphase = new DbvtBroadphase();
break;
case BroadphaseType.Axis3SweepBroadphase:
broadphase = new AxisSweep3(
physicWorldParameters.axis3SweepBroadphaseMin,
physicWorldParameters.axis3SweepBroadphaseMax,
physicWorldParameters.axis3SweepMaxProxies
);
break;
case BroadphaseType.Axis3SweepBroadphase_32bit:
broadphase = new AxisSweep3_32Bit(
physicWorldParameters.axis3SweepBroadphaseMin,
physicWorldParameters.axis3SweepBroadphaseMax,
physicWorldParameters.axis3SweepMaxProxies
);
break;
}
world = null;
softBodyWorldInfo = null;
solver = null;
switch (physicWorldParameters.worldType)
{
case WorldType.CollisionOnly:
world = new CollisionWorld(dispatcher, broadphase, collisionConfig);
break;
default:
case WorldType.RigidBodyDynamics:
world = new DiscreteDynamicsWorld(dispatcher, broadphase, null, collisionConfig);
break;
case WorldType.MultiBodyWorld:
MultiBodyConstraintSolver mbConstraintSolver = new MultiBodyConstraintSolver();
constraintSolver = mbConstraintSolver;
world = new MultiBodyDynamicsWorld(dispatcher, broadphase, mbConstraintSolver, collisionConfig);
break;
case WorldType.SoftBodyAndRigidBody:
SequentialImpulseConstraintSolver siConstraintSolver = new SequentialImpulseConstraintSolver();
constraintSolver = siConstraintSolver;
siConstraintSolver.RandSeed = physicWorldParameters.sequentialImpulseConstraintSolverRandomSeed;
world = new SoftRigidDynamicsWorld(this.dispatcher, this.broadphase, siConstraintSolver, collisionConf);
world.DispatchInfo.EnableSpu = true;
SoftRigidDynamicsWorld _sworld = (SoftRigidDynamicsWorld)world;
_sworld.WorldInfo.SparseSdf.Initialize();
_sworld.WorldInfo.SparseSdf.Reset();
_sworld.WorldInfo.AirDensity = 1.2f;
_sworld.WorldInfo.WaterDensity = 0;
_sworld.WorldInfo.WaterOffset = 0;
_sworld.WorldInfo.WaterNormal = BulletSharp.Math.Vector3.Zero;
_sworld.WorldInfo.Gravity = Gravity.ToBullet();
break;
}
if (world is DiscreteDynamicsWorld)
{
((DiscreteDynamicsWorld)world).Gravity = Gravity.ToBullet();
}
}
private void CreateWorld()
{
if (physicWorldParameters.worldType == WorldType.SoftBodyAndRigidBody && physicWorldParameters.collisionType != CollisionConfType.SoftBodyRigidBodyCollisionConf)
{
Debug.LogError("For World Type = SoftBodyAndRigidBody collisionType must be collisionType = SoftBodyRigidBodyCollisionConf.");
return;
}
isDisposed = false;
switch (physicWorldParameters.collisionType)
{
case CollisionConfType.DefaultDynamicsWorldCollisionConf:
collisionConf = new DefaultCollisionConfiguration();
break;
case CollisionConfType.SoftBodyRigidBodyCollisionConf:
collisionConf = new SoftBodyRigidBodyCollisionConfiguration();
break;
}
dispatcher = new CollisionDispatcher(collisionConf);
switch (physicWorldParameters.broadphaseType)
{
default:
case BroadphaseType.DynamicAABBBroadphase:
broadphase = new DbvtBroadphase();
break;
case BroadphaseType.Axis3SweepBroadphase:
broadphase = new AxisSweep3(physicWorldParameters.axis3SweepBroadphaseMin, physicWorldParameters.axis3SweepBroadphaseMax, physicWorldParameters.axis3SweepMaxProxies);
break;
case BroadphaseType.Axis3SweepBroadphase_32bit:
broadphase = new AxisSweep3_32Bit(physicWorldParameters.axis3SweepBroadphaseMin, physicWorldParameters.axis3SweepBroadphaseMax, physicWorldParameters.axis3SweepMaxProxies);
break;
}
switch (physicWorldParameters.worldType)
{
case WorldType.CollisionOnly:
World = new CollisionWorld(dispatcher, broadphase, collisionConf);
break;
case WorldType.RigidBodyDynamics:
World = new DiscreteDynamicsWorld(dispatcher, broadphase, null, collisionConf);
break;
case WorldType.MultiBodyWorld:
MultiBodyConstraintSolver mbConstraintSolver = new MultiBodyConstraintSolver();
constraintSolver = mbConstraintSolver;
World = new MultiBodyDynamicsWorld(dispatcher, broadphase, mbConstraintSolver, collisionConf);
break;
case WorldType.SoftBodyAndRigidBody:
SequentialImpulseConstraintSolver siConstraintSolver = new SequentialImpulseConstraintSolver();
constraintSolver = siConstraintSolver;
siConstraintSolver.RandSeed = physicWorldParameters.sequentialImpulseConstraintSolverRandomSeed;
World = new SoftRigidDynamicsWorld(dispatcher, broadphase, siConstraintSolver, collisionConf);
_world.DispatchInfo.EnableSpu = true;
SoftWorld.WorldInfo.SparseSdf.Initialize();
SoftWorld.WorldInfo.SparseSdf.Reset();
SoftWorld.WorldInfo.AirDensity = 1.2f;
SoftWorld.WorldInfo.WaterDensity = 0;
SoftWorld.WorldInfo.WaterOffset = 0;
SoftWorld.WorldInfo.WaterNormal = BulletSharp.Math.Vector3.Zero;
SoftWorld.WorldInfo.Gravity = physicWorldParameters.gravity;
break;
}
if (_world is DiscreteDynamicsWorld)
{
((DiscreteDynamicsWorld)_world).Gravity = physicWorldParameters.gravity;
}
Debug.LogFormat("Physic World of type {0} Instanced", physicWorldParameters.worldType);
if (physicWorldParameters.debug)
{
Debug.Log("Physic World Debug is active");
DebugDrawUnity db = new DebugDrawUnity();
db.DebugMode = physicWorldParameters.debugDrawMode;
_world.DebugDrawer = db;
}
}
