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.SlickException;
import org.newdawn.slick.geom.Polygon;
/**
* A test for polygon collision
*
* @author kevin
*/
public class PolygonTest extends BasicGame {
/** The polygon we're going to test against */
private Polygon poly;
/** True if the mouse is in the polygon */
private boolean in;
/** The y offset */
private float y;
/**
* Create the test
*/
public PolygonTest() {
super("Polygon Test");
}
/**
* @see org.newdawn.slick.BasicGame#init(org.newdawn.slick.GameContainer)
*/
public void init(GameContainer container) throws SlickException {
poly = new Polygon();
poly.addPoint(300, 100);
poly.addPoint(320, 200);
poly.addPoint(350, 210);
poly.addPoint(280, 250);
poly.addPoint(300, 200);
poly.addPoint(240, 150);
}
/**
* @see org.newdawn.slick.BasicGame#update(org.newdawn.slick.GameContainer, int)
*/
public void update(GameContainer container, int delta) throws SlickException {
in = poly.contains(container.getInput().getMouseX(), container.getInput().getMouseY());
poly.setCenterY(0);
}
/**
* @see org.newdawn.slick.Game#render(org.newdawn.slick.GameContainer, org.newdawn.slick.Graphics)
*/
public void render(GameContainer container, Graphics g) throws SlickException {
if (in) {
g.setColor(Color.red);
g.fill(poly);
}
g.setColor(Color.yellow);
g.fillOval(poly.getCenterX()-3, poly.getCenterY()-3, 6, 6);
g.setColor(Color.white);
g.draw(poly);
}
/**
* Entry point into our test
*
* @param argv The arguments passed on the command line
*/
public static void main(String[] argv) {
try {
AppGameContainer container = new AppGameContainer(new PolygonTest(), 640, 480, false);
container.start();
} catch (Exception e) {
e.printStackTrace();
}
}
}