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  Apply AffineTransform to Slick2D?  (Read 617 times)
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Offline P0jahn

Senior Member


Projects: 3



« Posted 2012-12-21 19:20:43 »

With, Java2D, I did like this:
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   @Override
   public void draw(Graphics2D g)
   {      
      AffineTransform transformer = new AffineTransform();
      transformer.translate(-(Math.min(stage.width-stage.visibleWidth,   Math.max(0, main.posX - stage.visibleWidth  / 2))),
                            -(Math.min(stage.height-stage.visibleHeight, Math.max(0, main.posY - stage.visibleHeight / 2))));
      g.setTransform(transformer);
   //...
  }

This works perfect.
I tried similar in Slick2D:
   
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@Override
   public void render(GameContainer gc, Graphics g) throws SlickException
   {
      g.translate(-(Math.min(stage.width-stage.visibleWidth,   Math.max(0, main.posX - stage.visibleWidth  / 2))),
                  -(Math.min(stage.height-stage.visibleHeight, Math.max(0, main.posY - stage.visibleHeight / 2))));
   //...
  }


This however, did not work at all. The result was that every thing in the window was black.
How do I fix this?


EDIT: This was an mistake by me. translate works fine for slick2d
Offline PeterNicholson

Senior Member


Medals: 3
Projects: 1



« Reply #1 - Posted 2012-12-21 19:28:28 »

Why not use object.draw(x, y, 0.0f); , and then in the gameLoop, set the x and the y to the mouse location.  Smiley

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Offline P0jahn

Senior Member


Projects: 3



« Reply #2 - Posted 2012-12-21 19:31:23 »

I do not think that will be a good idea. I am trying to archive what I explained here:
http://www.java-gaming.org/topics/make-the-stage-move-when-the-main-character-move/27970/view.html
Afaik, this can only be done with AffineTransform.
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