OptionalendThe total number of frames to extract from the Sprite Sheet. The default value of -1 means "extract all frames".
The key of the Texture Atlas Frame in which this Sprite Sheet can be found.
OptionalframeThe fixed height of each frame. If not set it will use the frameWidth as the height.
The fixed width of each frame.
OptionalmarginIf the frames have been drawn with a margin, specify the amount here.
OptionalspacingIf the frames have been drawn with spacing between them, specify the amount here.
OptionalstartSkip a number of frames. Useful when there are multiple sprite sheets in one Texture.
The key of the Texture Atlas in which this Sprite Sheet can be found.