|
public ComputeBonePositions ( |
||
| bone | The bone to start with, should always be the ROOT bone. | |
| world | Matrix | A world matrix to use in the calculation. |
| return | void | |
public void ComputeBonePositions(Bone bone, Matrix world)
{
var translateMatrix = Matrix.CreateTranslation(bone.Translation);
var rotationMatrix = Matrix.CreateFromQuaternion(bone.Rotation);
var myWorld = (rotationMatrix * translateMatrix)*world;
bone.AbsolutePosition = Vector3.Transform(Vector3.Zero, myWorld);
bone.AbsoluteMatrix = myWorld;
foreach (var child in bone.Children)
{
ComputeBonePositions(child, myWorld);
}
}
/// <summary>
/// When the skeleton changes (for example due to an animation) this
/// method will recompute the meshes to adhere to the new skeleton positions.
/// </summary>
public void ReloadSkeleton()
{
Skeleton.ComputeBonePositions(Skeleton.RootBone, Matrix.Identity);
SkelBones = new Matrix[Skeleton.Bones.Length];
for (int i = 0; i < Skeleton.Bones.Length; i++)
{
SkelBones[i] = Skeleton.Bones[i].AbsoluteMatrix;
}
}
