public SpriteSheetAnimationClip(SpriteSheetAnimationClip clip)
{
Name = clip.Name;
Duration = clip.Duration;
SpriteSheetKeyFrame[] frames = new SpriteSheetKeyFrame[clip.Keyframes.Count];
clip.Keyframes.CopyTo(frames, 0);
Keyframes = new List <SpriteSheetKeyFrame>();
Keyframes.AddRange(frames);
Looped = clip.Looped;
}
protected void GetCurrentCell(TimeSpan time)
{
time += currentTime;
// If we reached the end, loop back to the start.
while (time >= currentClip.Duration)
{
time -= currentClip.Duration;
}
if ((time < TimeSpan.Zero) || (time >= currentClip.Duration))
{
throw new ArgumentOutOfRangeException("time");
}
if (time < currentTime)
{
if (currentClip.Looped)
{
CurrentKeyframe = 0;
}
else
{
CurrentKeyframe = currentClip.Keyframes.Count - 1;
StopClip();
}
}
currentTime = time;
// Read key frame matrices.
IList <SpriteSheetKeyFrame> keyframes = currentClip.Keyframes;
while (CurrentKeyframe < keyframes.Count)
{
SpriteSheetKeyFrame keyframe = keyframes[CurrentKeyframe];
// Stop when we've read up to the current time position.
if (keyframe.Time > currentTime)
{
break;
}
// Use this key frame.
CurrentCell = keyframe.Cell;
CurrentKeyframe++;
}
}
