hardcode shaders in SpriteResource, add playback_mode method
hardcode shaders in SpriteResource, add playback_mode method

dbartolini/crown,mikymod/crown,galek/crown,taylor001/crown,dbartolini/crown,mikymod/crown,galek/crown,dbartolini/crown,taylor001/crown,galek/crown,dbartolini/crown,galek/crown,taylor001/crown,mikymod/crown,taylor001/crown,mikymod/crown