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fix deactivation slow-spinning kinematics

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This commit is contained in:
Andrew Meadows 2018-07-02 15:01:57 -07:00
parent b862694e32
commit 9c32a38fb6
5 changed files with 19 additions and 2 deletions
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5
libraries/physics/src/EntityMotionState.cpp
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@ -834,3 +834,8 @@ void EntityMotionState::clearObjectVelocities() const {
} }
_entity->setAcceleration(glm::vec3(0.0f)); _entity->setAcceleration(glm::vec3(0.0f));
} }
void EntityMotionState::saveKinematicState(btScalar timeStep) {
_body->saveKinematicState(timeStep);
_body->setAngularVelocity(glmToBullet(_entity->getWorldAngularVelocity()));
}

1
libraries/physics/src/EntityMotionState.h
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@ -97,6 +97,7 @@ public:
OwnershipState getOwnershipState() const { return _ownershipState; } OwnershipState getOwnershipState() const { return _ownershipState; }
void setRegion(uint8_t region); void setRegion(uint8_t region);
void saveKinematicState(btScalar timeStep) override;
protected: protected:
void updateSendVelocities(); void updateSendVelocities();

6
libraries/physics/src/ObjectMotionState.cpp
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@ -347,7 +347,7 @@ void ObjectMotionState::updateLastKinematicStep() {
} }
void ObjectMotionState::updateBodyMassProperties() { void ObjectMotionState::updateBodyMassProperties() {
float mass = getMass(); btScalar mass = getMass();
btVector3 inertia(1.0f, 1.0f, 1.0f); btVector3 inertia(1.0f, 1.0f, 1.0f);
if (mass > 0.0f) { if (mass > 0.0f) {
_body->getCollisionShape()->calculateLocalInertia(mass, inertia); _body->getCollisionShape()->calculateLocalInertia(mass, inertia);
@ -356,3 +356,7 @@ void ObjectMotionState::updateBodyMassProperties() {
_body->updateInertiaTensor(); _body->updateInertiaTensor();
} }
void ObjectMotionState::saveKinematicState(btScalar timeStep) {
_body->saveKinematicState(timeStep);
}

1
libraries/physics/src/ObjectMotionState.h
View file

@ -165,6 +165,7 @@ public:
virtual bool isLocallyOwned() const { return false; } virtual bool isLocallyOwned() const { return false; }
virtual bool isLocallyOwnedOrShouldBe() const { return false; } // aka shouldEmitCollisionEvents() virtual bool isLocallyOwnedOrShouldBe() const { return false; } // aka shouldEmitCollisionEvents()
virtual void saveKinematicState(btScalar timeStep);
friend class PhysicsEngine; friend class PhysicsEngine;

8
libraries/physics/src/ThreadSafeDynamicsWorld.cpp
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@ -162,7 +162,13 @@ void ThreadSafeDynamicsWorld::saveKinematicState(btScalar timeStep) {
for (int i=0;i<m_nonStaticRigidBodies.size();i++) { for (int i=0;i<m_nonStaticRigidBodies.size();i++) {
btRigidBody* body = m_nonStaticRigidBodies[i]; btRigidBody* body = m_nonStaticRigidBodies[i];
if (body && body->isKinematicObject() && body->getActivationState() != ISLAND_SLEEPING) { if (body && body->isKinematicObject() && body->getActivationState() != ISLAND_SLEEPING) {
body->saveKinematicState(timeStep); if (body->getMotionState()) {
btMotionState* motionState = body->getMotionState();
ObjectMotionState* objectMotionState = static_cast<ObjectMotionState*>(motionState);
objectMotionState->saveKinematicState(timeStep);
} else {
body->saveKinematicState(timeStep);
}
} }
} }
} }