my3d002_canvas.java

实现了一个简单而经典的3D游戏

package packet3d004;

import javax.microedition.lcdui.game.GameCanvas;
import javax.microedition.m3g.*;//use 3g
import javax.microedition.lcdui.*;//use g
public class My3D002_Canvas extends GameCanvas implements Runnable,CommandListener {

	private My3D_MIDlet mm;
	private Graphics3D g3d=Graphics3D.getInstance();
	private Graphics g=this.getGraphics();
	private Loader loader;
	private Object3D []roots=null;
	private World world;
	private boolean running=false;
	public My3D002_Canvas(My3D_MIDlet mm)
	{
		super(false);
		this.mm=mm;
		
		try
		{
			roots=Loader.load("/cartrack.m3g");
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
		world=(World)roots[0];
		
    }
	//
	public void startRun()
	{
		running=true;
		Thread tt=new Thread(this);
		tt.start();
	}
	//
	public void stopRun()
	{
		running=false;
	}
	public void run() {
		// TODO 自动生成方法存根
         while(running)
           {
        	 draw3D();
        	 this.flushGraphics();
           }
	}
	//
	public void draw3D()
	{
		try
		{
			g3d.bindTarget(g);
			g3d.render(world);
			
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
		finally
		{
			g3d.releaseTarget();
		}
	}
	//
	public void commandAction(Command c,Displayable d)
	{
		if(c==mm.exitCommand)
    	{
    		mm.quitApp();
    	}
	}
	

}