rotatingcube.java

来自「J2ME手机游戏开发技术详解随书光盘」· Java 代码 · 共 39 行

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.util.*;
// Our custom MIDlet 
public class RotatingCube extends MIDlet{
    static RotatingCube instance;
    MyCanvas displayable = new MyCanvas(); // Custom Canvas does 3D graphics
    Timer iTimer = new Timer();    // Timer to implement animation
    // MIDlet's constructor
    public RotatingCube() {
        this.instance = this;
    } // end constructor
    // Main entry point
    public void startApp() {
        Display.getDisplay(this).setCurrent(displayable);
        iTimer.schedule( new MyTimerTask(), 0, 40 ); // Start timer
    } // end startApp()
    // Manage pausing the MIDlet
    public void pauseApp() {
    } // end pauseApp
    // Manage terminating the MIDlet
    public void destroyApp(boolean unconditional) {
    } // end destroyApp()
    // Quit the MIDlet, doing any clean-up before calling destroyApp()
    public static void quitApp() {
        instance.destroyApp(true);
        instance.notifyDestroyed();
        instance = null;
    } // end quitApp()
    // Our timer task for providing animation
    class MyTimerTask extends TimerTask {
        public void run() {
            if( displayable != null ) { // If Canvas is present...
                displayable.repaint(); // ... call its repaint()
            } // end if
        } // end run
    } // end TimerTask
} // end MIDletMain