Sprite appearance options (size and RGBA color).
Optional
Width in pixels (default: 32)
Height in pixels (default: 32)
Red channel 0-1 (default: 1)
Green channel 0-1 (default: 1)
Blue channel 0-1 (default: 1)
Alpha channel 0-1 (default: 1)
Sprite appearance options (size and RGBA color).