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minor cleanup

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This commit is contained in:
Andrew Meadows 2016-12-30 16:04:28 -08:00
parent 8cf7aee009
commit 2162a364a9
1 changed files with 2 additions and 2 deletions
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2
libraries/physics/src/PhysicsEngine.cpp
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@ -421,7 +421,7 @@ const CollisionEvents& PhysicsEngine::getCollisionEvents() {
QUuid idB = motionStateB->getObjectID();
glm::vec3 position = bulletToGLM(contact.getPositionWorldOnA()) + _originOffset;
// NOTE: we're flipping the order of A and B (so that the first objectID is never NULL)
// hence we must negate the penetration.
// hence we must negate the penetration (because penetration always points from B to A).
glm::vec3 penetration = - bulletToGLM(contact.distance * contact.normalWorldOnB);
_collisionEvents.push_back(Collision(type, idB, QUuid(), position, penetration, velocityChange));
}