git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10428 75d07b2b-3a1a-0410-a2c5-0572b91ccdca3.0
parent
687c1216ab
commit
0a90ff21d2
@ -1,128 +0,0 @@ |
||||
package com.jme3.scene.plugins.blender.animations; |
||||
|
||||
import com.jme3.animation.Bone; |
||||
import com.jme3.animation.BoneTrack; |
||||
import com.jme3.math.Quaternion; |
||||
import com.jme3.math.Vector3f; |
||||
import com.jme3.scene.Node; |
||||
import com.jme3.scene.Spatial; |
||||
import java.util.Arrays; |
||||
|
||||
/** |
||||
* The purpose of this class is to imitate bone's movement when calculating inverse kinematics. |
||||
* @author Marcin Roguski (Kaelthas) |
||||
*/ |
||||
public class CalculationBone extends Node { |
||||
private Bone bone; |
||||
/** The bone's tracks. Will be altered at the end of calculation process. */ |
||||
private BoneTrack track; |
||||
/** The starting position of the bone. */ |
||||
private Vector3f startTranslation; |
||||
/** The starting rotation of the bone. */ |
||||
private Quaternion startRotation; |
||||
/** The starting scale of the bone. */ |
||||
private Vector3f startScale; |
||||
private Vector3f[] translations; |
||||
private Quaternion[] rotations; |
||||
private Vector3f[] scales; |
||||
|
||||
public CalculationBone(Bone bone, int boneFramesCount) { |
||||
this.bone = bone; |
||||
this.startRotation = bone.getModelSpaceRotation().clone(); |
||||
this.startTranslation = bone.getModelSpacePosition().clone(); |
||||
this.startScale = bone.getModelSpaceScale().clone(); |
||||
this.reset(); |
||||
if (boneFramesCount > 0) { |
||||
this.translations = new Vector3f[boneFramesCount]; |
||||
this.rotations = new Quaternion[boneFramesCount]; |
||||
this.scales = new Vector3f[boneFramesCount]; |
||||
|
||||
Arrays.fill(this.translations, 0, boneFramesCount, this.startTranslation); |
||||
Arrays.fill(this.rotations, 0, boneFramesCount, this.startRotation); |
||||
Arrays.fill(this.scales, 0, boneFramesCount, this.startScale); |
||||
} |
||||
} |
||||
|
||||
/** |
||||
* Constructor. Stores the track, starting transformation and sets the transformation to the starting positions. |
||||
* @param bone |
||||
* the bone this class will imitate |
||||
* @param track |
||||
* the bone's tracks |
||||
*/ |
||||
public CalculationBone(Bone bone, BoneTrack track) { |
||||
this(bone, 0); |
||||
this.track = track; |
||||
this.translations = track.getTranslations(); |
||||
this.rotations = track.getRotations(); |
||||
this.scales = track.getScales(); |
||||
} |
||||
|
||||
public int getBoneFramesCount() { |
||||
return this.translations == null ? 0 : this.translations.length; |
||||
} |
||||
|
||||
/** |
||||
* This method returns the end point of the bone. If the bone has parent it is calculated from the start point |
||||
* of parent to the start point of this bone. If the bone doesn't have a parent the end location is considered |
||||
* to be 1 point up along Y axis (scale is applied if set to != 1.0); |
||||
* @return the end point of this bone |
||||
*/ |
||||
// TODO: set to Z axis if user defined it this way
|
||||
public Vector3f getEndPoint() { |
||||
if (this.getParent() == null) { |
||||
return new Vector3f(0, this.getLocalScale().y, 0); |
||||
} else { |
||||
Node parent = this.getParent(); |
||||
return parent.getWorldTranslation().subtract(this.getWorldTranslation()).multLocal(this.getWorldScale()); |
||||
} |
||||
} |
||||
|
||||
/** |
||||
* This method resets the calculation bone to the starting position. |
||||
*/ |
||||
public void reset() { |
||||
this.setLocalTranslation(startTranslation); |
||||
this.setLocalRotation(startRotation); |
||||
this.setLocalScale(startScale); |
||||
} |
||||
|
||||
@Override |
||||
public int attachChild(Spatial child) { |
||||
if (this.getChildren() != null && this.getChildren().size() > 1) { |
||||
throw new IllegalStateException(this.getClass().getName() + " class instance can only have one child!"); |
||||
} |
||||
return super.attachChild(child); |
||||
} |
||||
|
||||
public Spatial rotate(Quaternion rot, int frame) { |
||||
Spatial spatial = super.rotate(rot); |
||||
this.updateWorldTransforms(); |
||||
if (this.getChildren() != null && this.getChildren().size() > 0) { |
||||
CalculationBone child = (CalculationBone) this.getChild(0); |
||||
child.updateWorldTransforms(); |
||||
} |
||||
rotations[frame].set(this.getLocalRotation()); |
||||
translations[frame].set(this.getLocalTranslation()); |
||||
if (scales != null) { |
||||
scales[frame].set(this.getLocalScale()); |
||||
} |
||||
return spatial; |
||||
} |
||||
|
||||
public void applyCalculatedTracks() { |
||||
if (track != null) { |
||||
track.setKeyframes(track.getTimes(), translations, rotations, scales); |
||||
} else { |
||||
bone.setUserControl(true); |
||||
bone.setUserTransforms(translations[0], rotations[0], scales[0]); |
||||
bone.setUserControl(false); |
||||
bone.updateWorldVectors(); |
||||
} |
||||
} |
||||
|
||||
@Override |
||||
public String toString() { |
||||
return bone.getName() + ": " + this.getLocalRotation() + " " + this.getLocalTranslation(); |
||||
} |
||||
} |
Loading…
Reference in new issue