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Merge pull request #12332 from sethalves/fix-tractor-action-initial-crazy

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Fix tractor action initial crazy
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Seth Alves 2018-02-06 08:59:25 -08:00 committed by GitHub
commit d8ad3192fe
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 9 deletions
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16
libraries/physics/src/ObjectActionTractor.cpp
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@ -128,15 +128,13 @@ bool ObjectActionTractor::prepareForTractorUpdate(btScalar deltaTimeStep) {
position /= linearTractorCount;
if (_positionalTargetSet) {
_lastPositionTarget = _positionalTarget;
} else {
_lastPositionTarget = position;
}
_positionalTarget = position;
if (deltaTimeStep > EPSILON) {
// blend the new velocity with the old (low-pass filter)
glm::vec3 newVelocity = (1.0f / deltaTimeStep) * (position - _lastPositionTarget);
const float blend = 0.25f;
_linearVelocityTarget = (1.0f - blend) * _linearVelocityTarget + blend * newVelocity;
_positionalTarget = position;
if (deltaTimeStep > EPSILON) {
// blend the new velocity with the old (low-pass filter)
glm::vec3 newVelocity = (1.0f / deltaTimeStep) * (_positionalTarget - _lastPositionTarget);
const float blend = 0.25f;
_linearVelocityTarget = (1.0f - blend) * _linearVelocityTarget + blend * newVelocity;
}
}
_positionalTargetSet = true;
_active = true;