/// <summary>Interpolates the bones for this animation.</summary>
/// <remarks>Interpolates the bones for this animation.</remarks>
/// <param name="currentFrame">first keyframe</param>
/// <param name="nextFrame">second keyframe</param>
/// <param name="currentAnimationTime"></param>
/// <param name="key2StartTime"></param>
/// <returns>interpolated SpriterBone array</returns>
protected internal virtual void transformBones(SpriterKeyFrame
currentFrame, SpriterKeyFrame nextFrame, float
xOffset, float yOffset)
{
if (this.rootParent.getParent() != null)
{
this.translateRoot();
}
else
{
this.tempParent.setX(xOffset);
this.tempParent.setY(yOffset);
this.tempParent.setAngle(this.angle);
this.tempParent.setScaleX(this.flippedX);
this.tempParent.setScaleY(this.flippedY);
}
this.setScale(this.scale);
if (!this.updateBones)
{
return;
}
this.updateTransformedTempObjects(nextFrame.getBones(), this.tempBones2);
this.updateTempObjects(currentFrame.getBones(), this.nonTransformedTempBones);
for (int i = 0; i < this.nonTransformedTempBones.Length; i++)
{
if (this.tempBones[i].active)
{
this.tweenBone(this.nonTransformedTempBones[i], nextFrame.getBoneFor(this.nonTransformedTempBones
[i]), i, currentFrame.getTime(), nextFrame.getTime());
}
}
}
public virtual void tweenBones(SpriterAnimation animation)
{
foreach (SpriterBone key in bonesToTween.Keys)
{
SpriterBone toTween = key;
SpriterKeyFrame frame = animation.frames[bonesToTween[key]];
long time = frame.getTime();
SpriterKeyFrame currentFrame = animation.getPreviousFrameForBone
(toTween, time);
SpriterKeyFrame nextFrame = animation.getNextFrameFor
(toTween, currentFrame, 1);
if (nextFrame != currentFrame)
{
SpriterBone bone1 = currentFrame.getBoneFor(toTween
);
SpriterBone bone2 = nextFrame.getBoneFor(toTween);
this.interpolateAbstractObject(toTween, bone1, bone2, currentFrame.getTime(), nextFrame
.getTime(), time);
}
SpriterBone[] bones = new SpriterBone
[frame.getBones().Length + 1];
for (int i = 0; i < bones.Length - 1; i++)
{
bones[i] = frame.getBones()[i];
}
bones[bones.Length - 1] = toTween;
frame.setBones(bones);
}
}