/// <summary>
/// Calculates the current transform, based on the animations, for the bone
/// represented by the BonePose object.
/// </summary>
public Matrix GetCurrentTransform()
{
// If the bone is not currently affected by an animation
if (currentAnimation == null || !doesAnimContainChannel)
{
// If the bone is affected by a blend animation,
// blend the defaultTransform with the blend animation
if (currentBlendAnimation != null && doesBlendContainChannel)
{
blendMatrix = currentBlendAnimation.GetCurrentBoneTransform(this);
Util.SlerpMatrix(
ref defaultMatrix,
ref blendMatrix,
BlendFactor,
out returnMatrix);
}
// else return the default transform
else
{
return(defaultMatrix);
}
}
// The bone is affected by an animation
else
{
// Find the current transform in the animation for the bone
currentMatrixBuffer = currentAnimation.GetCurrentBoneTransform(this);
// If the bone is affected by a blend animation, blend the
// current animation transform with the current blend animation
// transform
if (currentBlendAnimation != null && doesBlendContainChannel)
{
blendMatrix = currentBlendAnimation.GetCurrentBoneTransform(this);
Util.SlerpMatrix(
ref currentMatrixBuffer,
ref blendMatrix,
BlendFactor,
out returnMatrix);
}
// Else just return the current animation transform
else
{
return(currentMatrixBuffer);
}
}
return(returnMatrix);
}
} // end of c'tor
/// <summary>
/// Gets the current bone transform.
/// </summary>
/// <param name="pose">The pose.</param>
/// <returns>The current transform of the bone.</returns>
public Matrix GetCurrentBoneTransform(BonePose pose)
{
if (animationControllers.Count == 0)
{
return(pose.DefaultTransform);
}
Matrix transform = new Matrix();
Matrix m;
for (int i = 0; i < animationControllers.Count; i++)
{
IAnimationController ac = animationControllers[i];
if (ac.Weight > 0.0f)
{
if (ac.ContainsAnimationTrack(pose))
{
m = ac.GetCurrentBoneTransform(pose);
transform += ac.Weight == 1.0f ? m : ac.Weight * m;
}
else
{
transform += ac.Weight == 1.0f ? pose.DefaultTransform : ac.Weight * pose.DefaultTransform;
}
}
}
return(transform);
} // end of GetCurrentBoneTransform()
