micro3dcanvas.java

3D手机游戏开发实例源代码

import javax.microedition.lcdui.*;

import javax.microedition.lcdui.game.*;
import com.mascotcapsule.micro3d.v3.*;
 

class Micro3DCanvas extends GameCanvas implements Runnable{
    
    private Graphics3D g3d;
    private int COMMAND =   Graphics3D.PRIMITVE_POINT_SPRITES |
                            Graphics3D.PDATA_POINT_SPRITE_PARAMS_PER_CMD|
                            Graphics3D.PATTR_BLEND_NORMAL;
    private int []POINT = {0, 0, 0};
    private int textureIndex;
    private int []textureCoords = {127, 106, 0, 0, 0, 127, 106, Graphics3D.POINT_SPRITE_PERSPECTIVE};
    //w0, h0, a0, x00, y00, x01, y01, f0,
    private int [] NORMAL = new int[] {0, 0, 4096};
    private int []colors = {0x00FFFFFF};
    private Effect3D effect;
    private AffineTrans trans;
    private FigureLayout layout;
    private Texture texture;


    
    public Micro3DCanvas(){
        super(false);
      //  setFullScreenMode(true);
        g3d = new Graphics3D();

        try{
            texture = new Texture("/anmitexture.bmp", true);

        }catch(Exception e){
      	
            e.printStackTrace(); 

        }
        effect = new Effect3D();
        effect.setShadingType(Effect3D.NORMAL_SHADING);
        effect.setTransparency(true);
        trans = new AffineTrans();
        trans.setIdentity();
        trans.lookAt(new Vector3D(0, 0, 128), new Vector3D(0, 0, -4096), new Vector3D(0, 4096, 0));
        layout = new FigureLayout();
        layout.setPerspective(1, 4096, 512);
        layout.setCenter(getWidth()/2, getHeight()/2);
        layout.setAffineTrans(trans);

       

        Thread t = new Thread(this);
        t.start();
    }
    


    public void run(){
        Graphics g = getGraphics();
        while(true){
            textureIndex = textureIndex == 3?0:textureIndex+1;
            switch(textureIndex){
            	  case 0:
                    textureCoords[3]= 0;
                    textureCoords[4]= 0;
                    textureCoords[5]= 127;
                    textureCoords[6]= 106;
                    break;
                case 1:
                    textureCoords[3]= 127;
                    textureCoords[4]= 0;
                    textureCoords[5]= 254;
                    textureCoords[6]= 106;
                    break;
                case 2:
                    textureCoords[3]= 0;
                    textureCoords[4]= 106;
                    textureCoords[5]= 127;
                    textureCoords[6]= 212;
                    break;  
                case 3:
                    textureCoords[3]= 127;
                    textureCoords[4]= 106;
                    textureCoords[5]= 254;
                    textureCoords[6]= 212;
                    break;                                      
            }
        g.setColor(0x000000);
        g.fillRect(0,0, getWidth(), getHeight());

            g3d.bind(g);

        try{
     
            g3d.renderPrimitives(texture, 0, 0, layout, effect, COMMAND, 1, POINT, NORMAL, textureCoords, colors);
            g3d.flush();
        }catch(Exception e){
            System.err.println(e);
        }finally{
            g3d.release(g);
        }
            flushGraphics();
            try{
                Thread.sleep(500);
            }catch(Exception e){}
        }
    }
    
}