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Merge pull request #7746 from AndrewMeadows/supress-spurious-logs

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reduce warnings about truncated kinematic timesteps
This commit is contained in:
Brad Hefta-Gaub 2016-04-23 09:34:45 -07:00
commit 8c7ef31636
2 changed files with 28 additions and 16 deletions
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39
libraries/entities/src/EntityItem.cpp
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@ -884,7 +884,24 @@ void EntityItem::simulate(const quint64& now) {
}
bool EntityItem::stepKinematicMotion(float timeElapsed) {
// get all the data
Transform transform;
glm::vec3 linearVelocity;
glm::vec3 angularVelocity;
getLocalTransformAndVelocities(transform, linearVelocity, angularVelocity);
// find out if it is moving
bool isSpinning = (glm::length2(angularVelocity) > 0.0f);
float linearSpeedSquared = glm::length2(linearVelocity);
bool isTranslating = linearSpeedSquared > 0.0f;
bool moving = isTranslating || isSpinning;
if (!moving) {
return false;
}
if (timeElapsed <= 0.0f) {
// someone gave us a useless time value so bail early
// but return 'true' because it is moving
return true;
}
@ -894,13 +911,7 @@ bool EntityItem::stepKinematicMotion(float timeElapsed) {
}
timeElapsed = glm::min(timeElapsed, MAX_TIME_ELAPSED);
Transform transform;
glm::vec3 linearVelocity;
glm::vec3 angularVelocity;
getLocalTransformAndVelocities(transform, linearVelocity, angularVelocity);
bool moving = false;
if (glm::length2(angularVelocity) > 0.0f) {
if (isSpinning) {
// angular damping
if (_angularDamping > 0.0f) {
angularVelocity *= powf(1.0f - _angularDamping, timeElapsed);
@ -922,14 +933,12 @@ bool EntityItem::stepKinematicMotion(float timeElapsed) {
}
transform.setRotation(rotation);
}
moving = true;
}
glm::vec3 position = transform.getTranslation();
float linearSpeedSquared = glm::length2(linearVelocity);
const float MIN_KINEMATIC_LINEAR_SPEED_SQUARED =
KINEMATIC_LINEAR_SPEED_THRESHOLD * KINEMATIC_LINEAR_SPEED_THRESHOLD;
if (linearSpeedSquared > 0.0f) {
if (isTranslating) {
glm::vec3 deltaVelocity = Vectors::ZERO;
// linear damping
@ -971,14 +980,12 @@ bool EntityItem::stepKinematicMotion(float timeElapsed) {
linearVelocity += deltaVelocity;
}
}
moving = true;
}
if (moving) {
transform.setTranslation(position);
setLocalTransformAndVelocities(transform, linearVelocity, angularVelocity);
}
return moving;
transform.setTranslation(position);
setLocalTransformAndVelocities(transform, linearVelocity, angularVelocity);
return true;
}
bool EntityItem::isMoving() const {

5
libraries/entities/src/EntitySimulation.cpp
View file

@ -74,13 +74,18 @@ void EntitySimulation::addEntityInternal(EntityItemPointer entity) {
if (entity->isMovingRelativeToParent() && !entity->getPhysicsInfo()) {
QMutexLocker lock(&_mutex);
_simpleKinematicEntities.insert(entity);
entity->setLastSimulated(usecTimestampNow());
}
}
void EntitySimulation::changeEntityInternal(EntityItemPointer entity) {
QMutexLocker lock(&_mutex);
if (entity->isMovingRelativeToParent() && !entity->getPhysicsInfo()) {
int numKinematicEntities = _simpleKinematicEntities.size();
_simpleKinematicEntities.insert(entity);
if (numKinematicEntities != _simpleKinematicEntities.size()) {
entity->setLastSimulated(usecTimestampNow());
}
} else {
_simpleKinematicEntities.remove(entity);
}