Slick Forums

public class SimpleAnimation extends Animation {
   public static final int FRAME_TIME = 100;
   
   private SpriteSheet sheet;
   
   public SimpleAnimation(SpriteSheet sheet, int nbrFrames) {
      this.sheet = sheet;
      init(nbrFrames);
   }
   
   private void init(int nbrFrames) {
      for (int i = 0; i < nbrFrames; i++) {
         addFrame(sheet.getSprite(i, 0), FRAME_TIME);
      }
      setAutoUpdate(false);
   }
   
   public void reset() {
      setCurrentFrame(0);
   }
   
   public void setAlpha(float alpha) {
      sheet.setAlpha(alpha);
   }
}

SimpleAnimation animation = new SimpleAnimation(sheet, 8);
animation.setAlpha(0.75f);
[...]
// On the render method
animation.draw(vector.getX(), vector.getY());

alphaFilter = new Color(1f, 1f, 1f, 1f);
...

alphaFilter.a = 0.5f;
animation.draw(x, y, width, height, alphaFilter);

Image current = animation.getCurrentFrame();
current.setAlpha(0.75f);
current.draw(x, y);