m3gmidlet.java

3D手机游戏开发实例源代码 3D迷宫游戏的演示程序

import java.util.Hashtable;
import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.*;
import javax.microedition.m3g.Graphics3D;

public class M3GMIDlet extends MIDlet implements CommandListener
{


   

  

  private Command exitCommand = new Command("Exit", Command.EXIT, 1);
  
  /**
   * Starts application and shows the list of samples. The user can 
   * select a sample for execution and return to the selection screen.
   */
  public void startApp()
  {
   
        Form mForm = new Form("The 3D Properties:");
        String s = new String();

        Font.getFont(0, 1, 8);
        mForm.append("\nM3G Version: ");
        mForm.append(s + System.getProperty("microedition.m3g.version"));
        Hashtable hashtable = Graphics3D.getProperties();
        mForm.append("\nAntialiasing: ");
        mForm.append(s + (Boolean)hashtable.get("supportAntialiasing"));
        mForm.append("\nTrue color: ");
        mForm.append(s + (Boolean)hashtable.get("supportTrueColor"));
        mForm.append("\nDithering: ");
        mForm.append(s + (Boolean)hashtable.get("supportDithering"));
        mForm.append("\nMipmapping: ");
        mForm.append(s + (Boolean)hashtable.get("supportMipmapping"));
        mForm.append("\nPerpective Correction: ");
        mForm.append(s + (Boolean)hashtable.get("supportPerspectiveCorrection"));
        mForm.append("\nLocal Camera Lighting: ");
        mForm.append(s + (Boolean)hashtable.get("supportLocalCameraLighting"));
        mForm.append("\nMax Lights: ");
        mForm.append(s + (Integer)hashtable.get("maxLights"));
        mForm.append("\nMax Viewport Dimension: ");
        mForm.append(s + (Integer)hashtable.get("maxViewportDimension"));
        mForm.append("\nMax Texture Dimension: ");
        mForm.append(s + (Integer)hashtable.get("maxTextureDimension"));
        mForm.append("\nMax Sprite Crop Dimension: ");
        mForm.append(s + (Integer)hashtable.get("maxSpriteCropDimension"));
        mForm.append("\nMax Transforms Per Vertex: ");
        mForm.append(s + (Integer)hashtable.get("maxTransformsPerVertex"));
        mForm.append("\nNumber of Texture Units: ");
        mForm.append(s + (Integer)hashtable.get("numTextureUnits"));


 
    mForm.addCommand(exitCommand);
    mForm.setCommandListener(this);
    Display.getDisplay(this).setCurrent(mForm);
  }
  
  /**
   * Not used.
   */
  public void pauseApp()
  {
  }
  
  /**
   * Not used.
   */
  public void destroyApp(boolean unconditional)
  {
  }
  
  /**
   * Receives the command actions from the selection screen as well as
   * the sample screens.
   *
   * @param command command
   * @param displayable source of the command
   */
  public void commandAction(Command command, Displayable displayable)
  {
    if (command == exitCommand)
    {
    	
      destroyApp(true);
      notifyDestroyed();
    }
   
  }
}