public void displaySpriteSheet(SpriteSheet sheet, int posx, int posy){
		for(int hrzt = 0; hrzt < sheet.WIDTH; hrzt++){
			for(int vtc = 0; vtc < sheet.HEIGHT; vtc++){
				int px = hrzt + posx;
				int py = vtc + posy;
				
				if(sheet.pixels[hrzt + vtc * sheet.WIDTH] != 0xff000000 && sheet.pixels[hrzt + vtc * sheet.WIDTH] != 0){
					rGameScreen.tilePixels[px + py * width] = sheet.pixels[hrzt + vtc * sheet.WIDTH];
				}
			}		
		}
	}