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Don't evaluate overPoses if alpha is 0.0.

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This commit is contained in:
Anthony J. Thibault 2019-08-02 09:36:20 -07:00
parent f843c01b35
commit aad6958b68
1 changed files with 12 additions and 7 deletions
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19
libraries/animation/src/AnimOverlay.cpp
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@ -54,15 +54,20 @@ const AnimPoseVec& AnimOverlay::evaluate(const AnimVariantMap& animVars, const A
if (_children.size() >= 2) {
auto& underPoses = _children[1]->evaluate(animVars, context, dt, triggersOut);
auto& overPoses = _children[0]->overlay(animVars, context, dt, triggersOut, underPoses);
if (underPoses.size() > 0 && underPoses.size() == overPoses.size()) {
_poses.resize(underPoses.size());
assert(_boneSetVec.size() == _poses.size());
if (_alpha == 0.0f) {
_poses = underPoses;
} else {
auto& overPoses = _children[0]->overlay(animVars, context, dt, triggersOut, underPoses);
for (size_t i = 0; i < _poses.size(); i++) {
float alpha = _boneSetVec[i] * _alpha;
::blend(1, &underPoses[i], &overPoses[i], alpha, &_poses[i]);
if (underPoses.size() > 0 && underPoses.size() == overPoses.size()) {
_poses.resize(underPoses.size());
assert(_boneSetVec.size() == _poses.size());
for (size_t i = 0; i < _poses.size(); i++) {
float alpha = _boneSetVec[i] * _alpha;
::blend(1, &underPoses[i], &overPoses[i], alpha, &_poses[i]);
}
}
}
}