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Bugfix: bone context returns the length of the bone without taking model scale into account; that caused troubles during constraint's computations but should be used for bone debugger length (an appropriate notice is in the method's javadoc).

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10940 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
Kae..pl 2013-12-10 19:29:52 +00:00
parent b5357e96ec
commit 25e20509c6
1 changed files with 20 additions and 15 deletions
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35
engine/src/blender/com/jme3/scene/plugins/blender/animations/BoneContext.java
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@ -23,37 +23,37 @@ import com.jme3.scene.plugins.blender.objects.ObjectHelper;
*/ */
public class BoneContext { public class BoneContext {
// the flags of the bone // the flags of the bone
public static final int CONNECTED_TO_PARENT = 0x10; public static final int CONNECTED_TO_PARENT = 0x10;
/** /**
* The bones' matrices have, unlike objects', the coordinate system identical to JME's (Y axis is UP, X to the right and Z toward us). * The bones' matrices have, unlike objects', the coordinate system identical to JME's (Y axis is UP, X to the right and Z toward us).
* So in order to have them loaded properly we need to transform their armature matrix (which blender sees as rotated) to make sure we get identical results. * So in order to have them loaded properly we need to transform their armature matrix (which blender sees as rotated) to make sure we get identical results.
*/ */
public static final Matrix4f BONE_ARMATURE_TRANSFORMATION_MATRIX = new Matrix4f(1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1); public static final Matrix4f BONE_ARMATURE_TRANSFORMATION_MATRIX = new Matrix4f(1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1);
private BlenderContext blenderContext; private BlenderContext blenderContext;
/** The OMA of the bone's armature object. */ /** The OMA of the bone's armature object. */
private Long armatureObjectOMA; private Long armatureObjectOMA;
/** The OMA of the model that owns the bone's skeleton. */ /** The OMA of the model that owns the bone's skeleton. */
private Long skeletonOwnerOma; private Long skeletonOwnerOma;
/** The structure of the bone. */ /** The structure of the bone. */
private Structure boneStructure; private Structure boneStructure;
/** Bone's name. */ /** Bone's name. */
private String boneName; private String boneName;
/** The bone's flag. */ /** The bone's flag. */
private int flag; private int flag;
/** The bone's matrix in world space. */ /** The bone's matrix in world space. */
private Matrix4f globalBoneMatrix; private Matrix4f globalBoneMatrix;
/** The bone's matrix in the model space. */ /** The bone's matrix in the model space. */
private Matrix4f boneMatrixInModelSpace; private Matrix4f boneMatrixInModelSpace;
/** The parent context. */ /** The parent context. */
private BoneContext parent; private BoneContext parent;
/** The children of this context. */ /** The children of this context. */
private List<BoneContext> children = new ArrayList<BoneContext>(); private List<BoneContext> children = new ArrayList<BoneContext>();
/** Created bone (available after calling 'buildBone' method). */ /** Created bone (available after calling 'buildBone' method). */
private Bone bone; private Bone bone;
/** The length of the bone. */ /** The length of the bone. */
private float length; private float length;
/** /**
* Constructor. Creates the basic set of bone's data. * Constructor. Creates the basic set of bone's data.
@ -174,10 +174,15 @@ public class BoneContext {
} }
/** /**
* The method returns the length of the bone.
* If you want to use it for bone debugger take model space scale into account and do
* something like this:
* <b>boneContext.getLength() * boneContext.getBone().getModelSpaceScale().y</b>.
* Otherwise the bones might not look as they should in the bone debugger.
* @return the length of the bone * @return the length of the bone
*/ */
public float getLength() { public float getLength() {
return length * bone.getModelSpaceScale().y; return length;
} }
/** /**