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authorRémi Verschelde <rverschelde@gmail.com>2020-12-17 13:51:12 +0100
committerRémi Verschelde <rverschelde@gmail.com>2020-12-18 13:41:11 +0100
commit3cbf8bde8455f98f9b447237ebfe578aca397574 (patch)
tree175f1f5daee4928a8f78d4d5853d7da99902e940 /thirdparty/bullet/BulletSoftBody/btDeformableMultiBodyDynamicsWorld.h
parent214a22b98e5d74a9b49346d5021641db6a9899cf (diff)
bullet: Sync with upstream 3.07
Diffstat (limited to 'thirdparty/bullet/BulletSoftBody/btDeformableMultiBodyDynamicsWorld.h')
-rw-r--r--thirdparty/bullet/BulletSoftBody/btDeformableMultiBodyDynamicsWorld.h505
1 files changed, 255 insertions, 250 deletions
diff --git a/thirdparty/bullet/BulletSoftBody/btDeformableMultiBodyDynamicsWorld.h b/thirdparty/bullet/BulletSoftBody/btDeformableMultiBodyDynamicsWorld.h
index 76b58a0378..4b7069aac7 100644
--- a/thirdparty/bullet/BulletSoftBody/btDeformableMultiBodyDynamicsWorld.h
+++ b/thirdparty/bullet/BulletSoftBody/btDeformableMultiBodyDynamicsWorld.h
@@ -36,185 +36,192 @@ typedef btAlignedObjectArray<btSoftBody*> btSoftBodyArray;
class btDeformableMultiBodyDynamicsWorld : public btMultiBodyDynamicsWorld
{
- typedef btAlignedObjectArray<btVector3> TVStack;
- ///Solver classes that encapsulate multiple deformable bodies for solving
- btDeformableBodySolver* m_deformableBodySolver;
- btSoftBodyArray m_softBodies;
- int m_drawFlags;
- bool m_drawNodeTree;
- bool m_drawFaceTree;
- bool m_drawClusterTree;
- btSoftBodyWorldInfo m_sbi;
- btScalar m_internalTime;
- int m_ccdIterations;
- bool m_implicit;
- bool m_lineSearch;
- bool m_useProjection;
- DeformableBodyInplaceSolverIslandCallback* m_solverDeformableBodyIslandCallback;
-
- typedef void (*btSolverCallback)(btScalar time, btDeformableMultiBodyDynamicsWorld* world);
- btSolverCallback m_solverCallback;
-
+ typedef btAlignedObjectArray<btVector3> TVStack;
+ ///Solver classes that encapsulate multiple deformable bodies for solving
+ btDeformableBodySolver* m_deformableBodySolver;
+ btSoftBodyArray m_softBodies;
+ int m_drawFlags;
+ bool m_drawNodeTree;
+ bool m_drawFaceTree;
+ bool m_drawClusterTree;
+ btSoftBodyWorldInfo m_sbi;
+ btScalar m_internalTime;
+ int m_ccdIterations;
+ bool m_implicit;
+ bool m_lineSearch;
+ bool m_useProjection;
+ DeformableBodyInplaceSolverIslandCallback* m_solverDeformableBodyIslandCallback;
+
+ typedef void (*btSolverCallback)(btScalar time, btDeformableMultiBodyDynamicsWorld* world);
+ btSolverCallback m_solverCallback;
+
protected:
- virtual void internalSingleStepSimulation(btScalar timeStep);
-
- virtual void integrateTransforms(btScalar timeStep);
-
- void positionCorrection(btScalar timeStep);
-
- void solveConstraints(btScalar timeStep);
-
- void updateActivationState(btScalar timeStep);
-
- void clearGravity();
-
+ virtual void internalSingleStepSimulation(btScalar timeStep);
+
+ virtual void integrateTransforms(btScalar timeStep);
+
+ void positionCorrection(btScalar timeStep);
+
+ void solveConstraints(btScalar timeStep);
+
+ void updateActivationState(btScalar timeStep);
+
+ void clearGravity();
+
public:
btDeformableMultiBodyDynamicsWorld(btDispatcher* dispatcher, btBroadphaseInterface* pairCache, btDeformableMultiBodyConstraintSolver* constraintSolver, btCollisionConfiguration* collisionConfiguration, btDeformableBodySolver* deformableBodySolver = 0);
- virtual int stepSimulation(btScalar timeStep, int maxSubSteps = 1, btScalar fixedTimeStep = btScalar(1.) / btScalar(60.));
+ virtual int stepSimulation(btScalar timeStep, int maxSubSteps = 1, btScalar fixedTimeStep = btScalar(1.) / btScalar(60.));
virtual void debugDrawWorld();
- void setSolverCallback(btSolverCallback cb)
- {
- m_solverCallback = cb;
- }
-
- virtual ~btDeformableMultiBodyDynamicsWorld();
-
- virtual btMultiBodyDynamicsWorld* getMultiBodyDynamicsWorld()
- {
- return (btMultiBodyDynamicsWorld*)(this);
- }
-
- virtual const btMultiBodyDynamicsWorld* getMultiBodyDynamicsWorld() const
- {
- return (const btMultiBodyDynamicsWorld*)(this);
- }
-
- virtual btDynamicsWorldType getWorldType() const
- {
- return BT_DEFORMABLE_MULTIBODY_DYNAMICS_WORLD;
- }
-
- virtual void predictUnconstraintMotion(btScalar timeStep);
-
- virtual void addSoftBody(btSoftBody* body, int collisionFilterGroup = btBroadphaseProxy::DefaultFilter, int collisionFilterMask = btBroadphaseProxy::AllFilter);
-
- btSoftBodyArray& getSoftBodyArray()
- {
- return m_softBodies;
- }
-
- const btSoftBodyArray& getSoftBodyArray() const
- {
- return m_softBodies;
- }
-
- btSoftBodyWorldInfo& getWorldInfo()
- {
- return m_sbi;
- }
-
- const btSoftBodyWorldInfo& getWorldInfo() const
- {
- return m_sbi;
- }
-
- void reinitialize(btScalar timeStep);
-
- void applyRigidBodyGravity(btScalar timeStep);
-
- void beforeSolverCallbacks(btScalar timeStep);
-
- void afterSolverCallbacks(btScalar timeStep);
-
- void addForce(btSoftBody* psb, btDeformableLagrangianForce* force);
-
- void removeForce(btSoftBody* psb, btDeformableLagrangianForce* force);
-
- void removeSoftBody(btSoftBody* body);
-
- void removeCollisionObject(btCollisionObject* collisionObject);
-
- int getDrawFlags() const { return (m_drawFlags); }
- void setDrawFlags(int f) { m_drawFlags = f; }
-
- void setupConstraints();
-
- void performDeformableCollisionDetection();
-
- void solveMultiBodyConstraints();
-
- void solveContactConstraints();
-
- void sortConstraints();
-
- void softBodySelfCollision();
-
- void setImplicit(bool implicit)
- {
- m_implicit = implicit;
- }
-
- void setLineSearch(bool lineSearch)
- {
- m_lineSearch = lineSearch;
- }
-
- void applyRepulsionForce(btScalar timeStep);
-
- void performGeometricCollisions(btScalar timeStep);
-
- struct btDeformableSingleRayCallback : public btBroadphaseRayCallback
- {
- btVector3 m_rayFromWorld;
- btVector3 m_rayToWorld;
- btTransform m_rayFromTrans;
- btTransform m_rayToTrans;
- btVector3 m_hitNormal;
-
- const btDeformableMultiBodyDynamicsWorld* m_world;
- btCollisionWorld::RayResultCallback& m_resultCallback;
-
- btDeformableSingleRayCallback(const btVector3& rayFromWorld, const btVector3& rayToWorld, const btDeformableMultiBodyDynamicsWorld* world, btCollisionWorld::RayResultCallback& resultCallback)
- : m_rayFromWorld(rayFromWorld),
- m_rayToWorld(rayToWorld),
- m_world(world),
- m_resultCallback(resultCallback)
- {
- m_rayFromTrans.setIdentity();
- m_rayFromTrans.setOrigin(m_rayFromWorld);
- m_rayToTrans.setIdentity();
- m_rayToTrans.setOrigin(m_rayToWorld);
-
- btVector3 rayDir = (rayToWorld - rayFromWorld);
-
- rayDir.normalize();
- ///what about division by zero? --> just set rayDirection[i] to INF/1e30
- m_rayDirectionInverse[0] = rayDir[0] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDir[0];
- m_rayDirectionInverse[1] = rayDir[1] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDir[1];
- m_rayDirectionInverse[2] = rayDir[2] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDir[2];
- m_signs[0] = m_rayDirectionInverse[0] < 0.0;
- m_signs[1] = m_rayDirectionInverse[1] < 0.0;
- m_signs[2] = m_rayDirectionInverse[2] < 0.0;
-
- m_lambda_max = rayDir.dot(m_rayToWorld - m_rayFromWorld);
- }
-
- virtual bool process(const btBroadphaseProxy* proxy)
- {
- ///terminate further ray tests, once the closestHitFraction reached zero
- if (m_resultCallback.m_closestHitFraction == btScalar(0.f))
- return false;
-
- btCollisionObject* collisionObject = (btCollisionObject*)proxy->m_clientObject;
-
- //only perform raycast if filterMask matches
- if (m_resultCallback.needsCollision(collisionObject->getBroadphaseHandle()))
- {
- //RigidcollisionObject* collisionObject = ctrl->GetRigidcollisionObject();
- //btVector3 collisionObjectAabbMin,collisionObjectAabbMax;
+ void setSolverCallback(btSolverCallback cb)
+ {
+ m_solverCallback = cb;
+ }
+
+ virtual ~btDeformableMultiBodyDynamicsWorld();
+
+ virtual btMultiBodyDynamicsWorld* getMultiBodyDynamicsWorld()
+ {
+ return (btMultiBodyDynamicsWorld*)(this);
+ }
+
+ virtual const btMultiBodyDynamicsWorld* getMultiBodyDynamicsWorld() const
+ {
+ return (const btMultiBodyDynamicsWorld*)(this);
+ }
+
+ virtual btDynamicsWorldType getWorldType() const
+ {
+ return BT_DEFORMABLE_MULTIBODY_DYNAMICS_WORLD;
+ }
+
+ virtual void predictUnconstraintMotion(btScalar timeStep);
+
+ virtual void addSoftBody(btSoftBody* body, int collisionFilterGroup = btBroadphaseProxy::DefaultFilter, int collisionFilterMask = btBroadphaseProxy::AllFilter);
+
+ btSoftBodyArray& getSoftBodyArray()
+ {
+ return m_softBodies;
+ }
+
+ const btSoftBodyArray& getSoftBodyArray() const
+ {
+ return m_softBodies;
+ }
+
+ btSoftBodyWorldInfo& getWorldInfo()
+ {
+ return m_sbi;
+ }
+
+ const btSoftBodyWorldInfo& getWorldInfo() const
+ {
+ return m_sbi;
+ }
+
+ void reinitialize(btScalar timeStep);
+
+ void applyRigidBodyGravity(btScalar timeStep);
+
+ void beforeSolverCallbacks(btScalar timeStep);
+
+ void afterSolverCallbacks(btScalar timeStep);
+
+ void addForce(btSoftBody* psb, btDeformableLagrangianForce* force);
+
+ void removeForce(btSoftBody* psb, btDeformableLagrangianForce* force);
+
+ void removeSoftBodyForce(btSoftBody* psb);
+
+ void removeSoftBody(btSoftBody* body);
+
+ void removeCollisionObject(btCollisionObject* collisionObject);
+
+ int getDrawFlags() const { return (m_drawFlags); }
+ void setDrawFlags(int f) { m_drawFlags = f; }
+
+ void setupConstraints();
+
+ void performDeformableCollisionDetection();
+
+ void solveMultiBodyConstraints();
+
+ void solveContactConstraints();
+
+ void sortConstraints();
+
+ void softBodySelfCollision();
+
+ void setImplicit(bool implicit)
+ {
+ m_implicit = implicit;
+ }
+
+ void setLineSearch(bool lineSearch)
+ {
+ m_lineSearch = lineSearch;
+ }
+
+ void setUseProjection(bool useProjection)
+ {
+ m_useProjection = useProjection;
+ }
+
+ void applyRepulsionForce(btScalar timeStep);
+
+ void performGeometricCollisions(btScalar timeStep);
+
+ struct btDeformableSingleRayCallback : public btBroadphaseRayCallback
+ {
+ btVector3 m_rayFromWorld;
+ btVector3 m_rayToWorld;
+ btTransform m_rayFromTrans;
+ btTransform m_rayToTrans;
+ btVector3 m_hitNormal;
+
+ const btDeformableMultiBodyDynamicsWorld* m_world;
+ btCollisionWorld::RayResultCallback& m_resultCallback;
+
+ btDeformableSingleRayCallback(const btVector3& rayFromWorld, const btVector3& rayToWorld, const btDeformableMultiBodyDynamicsWorld* world, btCollisionWorld::RayResultCallback& resultCallback)
+ : m_rayFromWorld(rayFromWorld),
+ m_rayToWorld(rayToWorld),
+ m_world(world),
+ m_resultCallback(resultCallback)
+ {
+ m_rayFromTrans.setIdentity();
+ m_rayFromTrans.setOrigin(m_rayFromWorld);
+ m_rayToTrans.setIdentity();
+ m_rayToTrans.setOrigin(m_rayToWorld);
+
+ btVector3 rayDir = (rayToWorld - rayFromWorld);
+
+ rayDir.normalize();
+ ///what about division by zero? --> just set rayDirection[i] to INF/1e30
+ m_rayDirectionInverse[0] = rayDir[0] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDir[0];
+ m_rayDirectionInverse[1] = rayDir[1] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDir[1];
+ m_rayDirectionInverse[2] = rayDir[2] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDir[2];
+ m_signs[0] = m_rayDirectionInverse[0] < 0.0;
+ m_signs[1] = m_rayDirectionInverse[1] < 0.0;
+ m_signs[2] = m_rayDirectionInverse[2] < 0.0;
+
+ m_lambda_max = rayDir.dot(m_rayToWorld - m_rayFromWorld);
+ }
+
+ virtual bool process(const btBroadphaseProxy* proxy)
+ {
+ ///terminate further ray tests, once the closestHitFraction reached zero
+ if (m_resultCallback.m_closestHitFraction == btScalar(0.f))
+ return false;
+
+ btCollisionObject* collisionObject = (btCollisionObject*)proxy->m_clientObject;
+
+ //only perform raycast if filterMask matches
+ if (m_resultCallback.needsCollision(collisionObject->getBroadphaseHandle()))
+ {
+ //RigidcollisionObject* collisionObject = ctrl->GetRigidcollisionObject();
+ //btVector3 collisionObjectAabbMin,collisionObjectAabbMax;
#if 0
#ifdef RECALCULATE_AABB
btVector3 collisionObjectAabbMin,collisionObjectAabbMax;
@@ -225,87 +232,85 @@ public:
const btVector3& collisionObjectAabbMax = collisionObject->getBroadphaseHandle()->m_aabbMax;
#endif
#endif
- //btScalar hitLambda = m_resultCallback.m_closestHitFraction;
- //culling already done by broadphase
- //if (btRayAabb(m_rayFromWorld,m_rayToWorld,collisionObjectAabbMin,collisionObjectAabbMax,hitLambda,m_hitNormal))
- {
- m_world->rayTestSingle(m_rayFromTrans, m_rayToTrans,
- collisionObject,
- collisionObject->getCollisionShape(),
- collisionObject->getWorldTransform(),
- m_resultCallback);
- }
- }
- return true;
- }
- };
-
-
-
- void rayTest(const btVector3& rayFromWorld, const btVector3& rayToWorld, RayResultCallback& resultCallback) const
- {
- BT_PROFILE("rayTest");
- /// use the broadphase to accelerate the search for objects, based on their aabb
- /// and for each object with ray-aabb overlap, perform an exact ray test
- btDeformableSingleRayCallback rayCB(rayFromWorld, rayToWorld, this, resultCallback);
-
+ //btScalar hitLambda = m_resultCallback.m_closestHitFraction;
+ //culling already done by broadphase
+ //if (btRayAabb(m_rayFromWorld,m_rayToWorld,collisionObjectAabbMin,collisionObjectAabbMax,hitLambda,m_hitNormal))
+ {
+ m_world->rayTestSingle(m_rayFromTrans, m_rayToTrans,
+ collisionObject,
+ collisionObject->getCollisionShape(),
+ collisionObject->getWorldTransform(),
+ m_resultCallback);
+ }
+ }
+ return true;
+ }
+ };
+
+ void rayTest(const btVector3& rayFromWorld, const btVector3& rayToWorld, RayResultCallback& resultCallback) const
+ {
+ BT_PROFILE("rayTest");
+ /// use the broadphase to accelerate the search for objects, based on their aabb
+ /// and for each object with ray-aabb overlap, perform an exact ray test
+ btDeformableSingleRayCallback rayCB(rayFromWorld, rayToWorld, this, resultCallback);
+
#ifndef USE_BRUTEFORCE_RAYBROADPHASE
- m_broadphasePairCache->rayTest(rayFromWorld, rayToWorld, rayCB);
+ m_broadphasePairCache->rayTest(rayFromWorld, rayToWorld, rayCB);
#else
- for (int i = 0; i < this->getNumCollisionObjects(); i++)
- {
- rayCB.process(m_collisionObjects[i]->getBroadphaseHandle());
- }
+ for (int i = 0; i < this->getNumCollisionObjects(); i++)
+ {
+ rayCB.process(m_collisionObjects[i]->getBroadphaseHandle());
+ }
#endif //USE_BRUTEFORCE_RAYBROADPHASE
- }
-
- void rayTestSingle(const btTransform& rayFromTrans, const btTransform& rayToTrans,
- btCollisionObject* collisionObject,
- const btCollisionShape* collisionShape,
- const btTransform& colObjWorldTransform,
- RayResultCallback& resultCallback) const
- {
- if (collisionShape->isSoftBody())
- {
- btSoftBody* softBody = btSoftBody::upcast(collisionObject);
- if (softBody)
- {
- btSoftBody::sRayCast softResult;
- if (softBody->rayFaceTest(rayFromTrans.getOrigin(), rayToTrans.getOrigin(), softResult))
- {
- if (softResult.fraction <= resultCallback.m_closestHitFraction)
- {
- btCollisionWorld::LocalShapeInfo shapeInfo;
- shapeInfo.m_shapePart = 0;
- shapeInfo.m_triangleIndex = softResult.index;
- // get the normal
- btVector3 rayDir = rayToTrans.getOrigin() - rayFromTrans.getOrigin();
- btVector3 normal = -rayDir;
- normal.normalize();
- {
- normal = softBody->m_faces[softResult.index].m_normal;
- if (normal.dot(rayDir) > 0)
- {
- // normal always point toward origin of the ray
- normal = -normal;
- }
- }
-
- btCollisionWorld::LocalRayResult rayResult(collisionObject,
- &shapeInfo,
- normal,
- softResult.fraction);
- bool normalInWorldSpace = true;
- resultCallback.addSingleResult(rayResult, normalInWorldSpace);
- }
- }
- }
- }
- else
- {
- btCollisionWorld::rayTestSingle(rayFromTrans, rayToTrans, collisionObject, collisionShape, colObjWorldTransform, resultCallback);
- }
- }
+ }
+
+ void rayTestSingle(const btTransform& rayFromTrans, const btTransform& rayToTrans,
+ btCollisionObject* collisionObject,
+ const btCollisionShape* collisionShape,
+ const btTransform& colObjWorldTransform,
+ RayResultCallback& resultCallback) const
+ {
+ if (collisionShape->isSoftBody())
+ {
+ btSoftBody* softBody = btSoftBody::upcast(collisionObject);
+ if (softBody)
+ {
+ btSoftBody::sRayCast softResult;
+ if (softBody->rayFaceTest(rayFromTrans.getOrigin(), rayToTrans.getOrigin(), softResult))
+ {
+ if (softResult.fraction <= resultCallback.m_closestHitFraction)
+ {
+ btCollisionWorld::LocalShapeInfo shapeInfo;
+ shapeInfo.m_shapePart = 0;
+ shapeInfo.m_triangleIndex = softResult.index;
+ // get the normal
+ btVector3 rayDir = rayToTrans.getOrigin() - rayFromTrans.getOrigin();
+ btVector3 normal = -rayDir;
+ normal.normalize();
+ {
+ normal = softBody->m_faces[softResult.index].m_normal;
+ if (normal.dot(rayDir) > 0)
+ {
+ // normal always point toward origin of the ray
+ normal = -normal;
+ }
+ }
+
+ btCollisionWorld::LocalRayResult rayResult(collisionObject,
+ &shapeInfo,
+ normal,
+ softResult.fraction);
+ bool normalInWorldSpace = true;
+ resultCallback.addSingleResult(rayResult, normalInWorldSpace);
+ }
+ }
+ }
+ }
+ else
+ {
+ btCollisionWorld::rayTestSingle(rayFromTrans, rayToTrans, collisionObject, collisionShape, colObjWorldTransform, resultCallback);
+ }
+ }
};
#endif //BT_DEFORMABLE_MULTIBODY_DYNAMICS_WORLD_H