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Fix MyAvatar's velocity change

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This commit is contained in:
Atlante45 2016-05-05 14:46:21 -07:00
parent 07adef9465
commit bc6544a3c5
3 changed files with 18 additions and 1 deletions
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4
interface/src/avatar/AvatarManager.cpp
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@ -311,7 +311,9 @@ void AvatarManager::handleCollisionEvents(const CollisionEvents& collisionEvents
MyAvatar* myAvatar = getMyAvatar();
auto collisionSound = myAvatar->getCollisionSound();
if (collisionSound) {
const float velocityChange = glm::length(collision.velocityChange);
const auto characterController = myAvatar->getCharacterController();
const float avatarVelocityChange = (characterController ? glm::length(characterController->getVelocityChange()) : 0.0f);
const float velocityChange = glm::length(collision.velocityChange) + avatarVelocityChange;
const float MIN_AVATAR_COLLISION_ACCELERATION = 0.01f;
const bool isSound = (collision.type == CONTACT_EVENT_TYPE_START) && (velocityChange > MIN_AVATAR_COLLISION_ACCELERATION);

12
libraries/physics/src/CharacterController.cpp
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@ -430,6 +430,14 @@ glm::vec3 CharacterController::getLinearVelocity() const {
return velocity;
}
glm::vec3 CharacterController::getVelocityChange() const {
glm::vec3 velocity(0.0f);
if (_rigidBody) {
velocity = bulletToGLM(_rigidBody->getLinearVelocity());
}
return velocity;
}
void CharacterController::preSimulation() {
if (_enabled && _dynamicsWorld) {
quint64 now = usecTimestampNow();
@ -437,6 +445,7 @@ void CharacterController::preSimulation() {
// slam body to where it is supposed to be
_rigidBody->setWorldTransform(_characterBodyTransform);
btVector3 velocity = _rigidBody->getLinearVelocity();
_preSimulationVelocity = velocity;
btVector3 actualVertVelocity = velocity.dot(_currentUp) * _currentUp;
btVector3 actualHorizVelocity = velocity - actualVertVelocity;
@ -531,6 +540,9 @@ void CharacterController::preSimulation() {
void CharacterController::postSimulation() {
// postSimulation() exists for symmetry and just in case we need to do something here later
btVector3 velocity = _rigidBody->getLinearVelocity();
_velocityChange = velocity - _preSimulationVelocity;
}

3
libraries/physics/src/CharacterController.h
View file

@ -77,6 +77,7 @@ public:
glm::vec3 getFollowVelocity() const;
glm::vec3 getLinearVelocity() const;
glm::vec3 getVelocityChange() const;
float getCapsuleRadius() const { return _radius; }
float getCapsuleHalfHeight() const { return _halfHeight; }
@ -112,6 +113,8 @@ protected:
btVector3 _currentUp;
btVector3 _targetVelocity;
btVector3 _parentVelocity;
btVector3 _preSimulationVelocity;
btVector3 _velocityChange;
btTransform _followDesiredBodyTransform;
btScalar _followTimeRemaining;
btTransform _characterBodyTransform;