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Bugfix: fixed a bug in skeleton animation constraints applying

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procedure.
experimental
jmekaelthas 11 years ago
parent 676ea17465
commit 5842613c2b
1 changed files with 9 additions and 34 deletions
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  1. 39
      jme3-blender/src/main/java/com/jme3/scene/plugins/blender/constraints/SimulationNode.java

39
jme3-blender/src/main/java/com/jme3/scene/plugins/blender/constraints/SimulationNode.java
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@ -258,7 +258,6 @@ public class SimulationNode {
float maxTime = animationTimeBoundaries[1];
Map<Integer, VirtualTrack> tracks = new HashMap<Integer, VirtualTrack>();
Map<Integer, Transform> previousTransforms = this.getInitialTransforms();
for (int frame = 0; frame < maxFrame; ++frame) {
// this MUST be done here, otherwise setting next frame of animation will
// lead to possible errors
@ -291,26 +290,15 @@ public class SimulationNode {
// ... and fill in another frame in the result track
for (Entry<Integer, VirtualTrack> trackEntry : tracks.entrySet()) {
Integer boneIndex = trackEntry.getKey();
Bone bone = skeleton.getBone(boneIndex);
Bone bone = skeleton.getBone(trackEntry.getKey());
Transform startTransform = boneStartTransforms.get(bone);
// take the initial transform of a bone and its virtual track
Transform previousTransform = previousTransforms.get(boneIndex);
VirtualTrack vTrack = trackEntry.getValue();
// track contains differences between the frame position and bind positions of bones/spatials
Vector3f bonePositionDifference = bone.getLocalPosition().subtract(startTransform.getTranslation());
Quaternion boneRotationDifference = bone.getLocalRotation().mult(startTransform.getRotation().inverse()).normalizeLocal();
Vector3f boneScaleDifference = bone.getLocalScale().divide(startTransform.getScale());
Vector3f bonePositionDifference = bone.getLocalPosition().subtract(previousTransform.getTranslation());
Quaternion boneRotationDifference = bone.getLocalRotation().mult(previousTransform.getRotation().inverse()).normalizeLocal();
Vector3f boneScaleDifference = bone.getLocalScale().divide(previousTransform.getScale());
if (frame > 0) {
bonePositionDifference = vTrack.translations.get(frame - 1).add(bonePositionDifference);
boneRotationDifference = vTrack.rotations.get(frame - 1).mult(boneRotationDifference);
boneScaleDifference = vTrack.scales.get(frame - 1).mult(boneScaleDifference);
}
vTrack.setTransform(frame, new Transform(bonePositionDifference, boneRotationDifference, boneScaleDifference));
previousTransform.setTranslation(bone.getLocalPosition());
previousTransform.setRotation(bone.getLocalRotation());
previousTransform.setScale(bone.getLocalScale());
trackEntry.getValue().setTransform(frame, new Transform(bonePositionDifference, boneRotationDifference, boneScaleDifference));
}
}
@ -427,19 +415,6 @@ public class SimulationNode {
return result.size() > 0 ? result : null;
}
/**
* Creates the initial transforms for all bones in the skelketon.
* @return the map where the key is the bone index and the value us the bone's initial transformation
*/
private Map<Integer, Transform> getInitialTransforms() {
Map<Integer, Transform> result = new HashMap<Integer, Transform>();
for (int i = 0; i < skeleton.getBoneCount(); ++i) {
Bone bone = skeleton.getBone(i);
result.put(i, new Transform(bone.getLocalPosition(), bone.getLocalRotation(), bone.getLocalScale()));
}
return result;
}
@Override
public String toString() {
return name;

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