Sprite

..
public class Sprite {
    ..
    public static Sprite water = new Sprite(16, 14, 0, SpriteSheet.tiles);
    public static Sprite water_ = new Sprite(16, 15, 0, SpriteSheet.tiles);
    ..
    public Sprite(int size, int x, int y, SpriteSheet sheet) {
        SIZE = size;
        pixels = new int[SIZE * SIZE];
        this.x = x * size;
        this.y = y * size;
        this.sheet = sheet;
        load();
    }
    ..
    private void load() {
        ..
    }
}