package org.newdawn.slick.tests;
import org.newdawn.slick.AppGameContainer;
import org.newdawn.slick.BasicGame;
import org.newdawn.slick.Color;
import org.newdawn.slick.GameContainer;
import org.newdawn.slick.Graphics;
import org.newdawn.slick.Image;
import org.newdawn.slick.SlickException;
/**
* A test to demonstrate world clipping as opposed to screen clipping
*
* @author kevin
*/
public class AlphaMapTest extends BasicGame {
/** The alpha map being applied */
private Image alphaMap;
/** The texture to apply over the top */
private Image textureMap;
/**
* Create a new tester for the clip plane based clipping
*/
public AlphaMapTest() {
super("AlphaMap Test");
}
/**
* @see org.newdawn.slick.BasicGame#init(org.newdawn.slick.GameContainer)
*/
public void init(GameContainer container) throws SlickException {
alphaMap = new Image("testdata/alphamap.png");
textureMap = new Image("testdata/grass.png");
container.getGraphics().setBackground(Color.black);
}
/**
* @see org.newdawn.slick.BasicGame#update(org.newdawn.slick.GameContainer, int)
*/
public void update(GameContainer container, int delta)
throws SlickException {
}
/**
* @see org.newdawn.slick.Game#render(org.newdawn.slick.GameContainer, org.newdawn.slick.Graphics)
*/
public void render(GameContainer container, Graphics g)
throws SlickException {
g.clearAlphaMap();
g.setDrawMode(Graphics.MODE_NORMAL);
textureMap.draw(10,50);
g.setColor(Color.red);
g.fillRect(290,40,200,200);
g.setColor(Color.white);
// write only alpha
g.setDrawMode(Graphics.MODE_ALPHA_MAP);
alphaMap.draw(300,50);
g.setDrawMode(Graphics.MODE_ALPHA_BLEND);
textureMap.draw(300,50);
g.setDrawMode(Graphics.MODE_NORMAL);
}
/**
* @see org.newdawn.slick.BasicGame#keyPressed(int, char)
*/
public void keyPressed(int key, char c) {
}
/**
* Entry point to our test
*
* @param argv The arguments to pass into the test
*/
public static void main(String[] argv) {
try {
AppGameContainer container = new AppGameContainer(new AlphaMapTest());
container.setDisplayMode(800,600,false);
container.start();
} catch (SlickException e) {
e.printStackTrace();
}
}
}