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.Input;
import org.newdawn.slick.SlickException;
/**
* A test for transforming the graphics context
*
* @author kevin
*/
public class TransformTest extends BasicGame {
/** The current scale applied to the graphics context */
private float scale = 1;
/** True if we should be scaling up */
private boolean scaleUp;
/** True if we should be scaling down */
private boolean scaleDown;
/**
* Create a new test of graphics context rendering
*/
public TransformTest() {
super("Transform Test");
}
/**
* @see org.newdawn.slick.BasicGame#init(org.newdawn.slick.GameContainer)
*/
public void init(GameContainer container) throws SlickException {
container.setTargetFrameRate(100);
}
/**
* @see org.newdawn.slick.BasicGame#render(org.newdawn.slick.GameContainer, org.newdawn.slick.Graphics)
*/
public void render(GameContainer contiainer, Graphics g) {
g.translate(320,240);
g.scale(scale, scale);
g.setColor(Color.red);
for (int x=0;x<10;x++) {
for (int y=0;y<10;y++) {
g.fillRect(-500+(x*100), -500+(y*100), 80, 80);
}
}
g.setColor(new Color(1,1,1,0.5f));
g.fillRect(-320,-240,640,480);
g.setColor(Color.white);
g.drawRect(-320,-240,640,480);
}
/**
* @see org.newdawn.slick.BasicGame#update(org.newdawn.slick.GameContainer, int)
*/
public void update(GameContainer container, int delta) {
if (scaleUp) {
scale += delta * 0.001f;
}
if (scaleDown) {
scale -= delta * 0.001f;
}
}
/**
* @see org.newdawn.slick.BasicGame#keyPressed(int, char)
*/
public void keyPressed(int key, char c) {
if (key == Input.KEY_ESCAPE) {
System.exit(0);
}
if (key == Input.KEY_Q) {
scaleUp = true;
}
if (key == Input.KEY_A) {
scaleDown = true;
}
}
/**
* @see org.newdawn.slick.BasicGame#keyReleased(int, char)
*/
public void keyReleased(int key, char c) {
if (key == Input.KEY_Q) {
scaleUp = false;
}
if (key == Input.KEY_A) {
scaleDown = false;
}
}
/**
* Entry point to our test
*
* @param argv The arguments passed to the test
*/
public static void main(String[] argv) {
try {
AppGameContainer container = new AppGameContainer(new TransformTest());
container.setDisplayMode(640,480,false);
container.start();
} catch (SlickException e) {
e.printStackTrace();
}
}
}