/// <summary>
///
/// </summary>
/// <param name="index"></param>
/// <param name="rectangle"></param>
public void SetClipRectangle ( int index, Rectangle rectangle, Color color )
{
if (index<0 || index>=MaxSpriteFrames) {
throw new ArgumentOutOfRangeException("index", "must be greater or equal to zero and less than MaxClipRectangles (" + MaxSpriteFrames.ToString() + ")");
}
var rect = new RectangleF( rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height );
var color4 = color.ToColor4();
framesData[ index ] = new SpriteFrame( rect, color4 );
dirty = true;
}