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optimizations for debug rendering of AnimSkeleton

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Anthony J. Thibault 2015-08-01 15:24:58 -07:00 committed by Anthony J. Thibault
parent b8bae7cc3f
commit d1fdbe32d2
3 changed files with 22 additions and 11 deletions
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14
libraries/animation/src/AnimSkeleton.cpp
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@ -12,6 +12,14 @@
AnimSkeleton::AnimSkeleton(const std::vector<FBXJoint>& joints) {
_joints = joints;
// build a cache of bind poses
_bindPoses.reserve(joints.size());
for (size_t i = 0; i < joints.size(); i++) {
_bindPoses.push_back(AnimPose(extractScale(_joints[i].bindTransform),
glm::quat_cast(_joints[i].bindTransform),
extractTranslation(_joints[i].bindTransform)));
}
}
int AnimSkeleton::nameToJointIndex(const QString& jointName) const {
@ -28,11 +36,7 @@ int AnimSkeleton::getNumJoints() const {
}
AnimPose AnimSkeleton::getBindPose(int jointIndex) const {
// TODO: perhaps cache these, it's expensive to de-compose the matrix
// on every call.
return AnimPose(extractScale(_joints[jointIndex].bindTransform),
glm::quat_cast(_joints[jointIndex].bindTransform),
extractTranslation(_joints[jointIndex].bindTransform));
return _bindPoses[jointIndex];
}
int AnimSkeleton::getParentIndex(int jointIndex) const {

1
libraries/animation/src/AnimSkeleton.h
View file

@ -35,6 +35,7 @@ public:
protected:
std::vector<FBXJoint> _joints;
std::vector<AnimPose> _bindPoses;
};
#endif

18
libraries/render-utils/src/AnimDebugDraw.cpp
View file

@ -187,30 +187,36 @@ void AnimDebugDraw::update() {
for (int i = 0; i < skeleton->getNumJoints(); i++) {
AnimPose pose = skeleton->getBindPose(i);
v->pos = xform.transform(pose.trans);
glm::vec3 base = xform.transform(pose.trans);
// x-axis
v->pos = base;
v->rgba = red;
v++;
v->pos = xform.transform(pose.trans + pose.rot * glm::vec3(pose.scale.x, 0.0f, 0.0f));
v->pos = base + pose.rot * glm::vec3(1.0f, 0.0f, 0.0f);
v->rgba = red;
v++;
// y-axis
v->pos = xform.transform(pose.trans);
v->rgba = green;
v++;
v->pos = xform.transform(pose.trans + pose.rot * glm::vec3(0.0f, pose.scale.y, 0.0f));
v->pos = base + pose.rot * glm::vec3(0.0f, 1.0f, 0.0f);
v->rgba = green;
v++;
v->pos = xform.transform(pose.trans);
// z-axis
v->pos = base;
v->rgba = blue;
v++;
v->pos = xform.transform(pose.trans + pose.rot * glm::vec3(0.0f, 0.0f, pose.scale.z));
v->pos = base + pose.rot * glm::vec3(0.0f, 0.0f, 1.0f);
v->rgba = blue;
v++;
// line to parent.
if (skeleton->getParentIndex(i) >= 0) {
AnimPose parentPose = skeleton->getBindPose(skeleton->getParentIndex(i));
v->pos = xform.transform(pose.trans);
v->pos = base;
v->rgba = gray;
v++;
v->pos = xform.transform(parentPose.trans);