5. 3D Draw

1. Test.java
import javax.microedition.lcdui.*; 
import javax.microedition.midlet.*; 

public class Test extends MIDlet{
    //###############################################################################################
    //# MIDlet 클래스 추상 메소드
    //# [MIDlet 생명주기 1] 응용프로그램이 시작 될 때.
    //# canvas 클래스의 쓰레드가 live인 동안 응용프로그램은 Activate 상태이다.
    //###############################################################################################
    public void startApp(){ 
        Display display=    Display.getDisplay(this);        //현재 MIDlet에 해당하는 Display 객체를 얻는다.
        Canvas  canvas=     new Canvas3D();                    //Canvas 인스턴스 생성.
        
        display.setCurrent(canvas);                    //파라미터(canvas)를 display한다.
    }

    //###############################################################################################
    //# MIDlet 클래스 추상 메소드 정의
    //# [MIDlet 생명주기 2] 전화가 왔을 때와 같은 MIDlet 사용 불가 상태.
    //###############################################################################################
    public void pauseApp(){}

    //###############################################################################################
    //# MIDlet 클래스 추상 메소드
    //# [MIDlet 생명주기 3] 종료될 때.
    //###############################################################################################
    public void destroyApp(boolean b){}
}





2. Canvas3D.java
import java.io.*;
import javax.microedition.lcdui.*;
import com.mascotcapsule.micro3d.v3.*;

public class Canvas3D extends Canvas implements Runnable, Const{
    public Canvas3D(){
        effect= new Effect3D();
        
        trans=  new AffineTrans();
        objPos= new Vector3D(0, 0, 0);
        look=   new Vector3D(0, 0, -300000);
        up=     new Vector3D(0, 4096, 0);
        trans.setViewTrans(objPos, look, up);

        layout= new FigureLayout(trans, 1024, 1024, CENTERX, CENTERY);

        Thread thread=    new Thread(this);                    //스레드 인스턴스 생성.
        thread.start();                                        //스레드 시작.
    }
    
    //##########################################################################################
    //# Runnable 인터페이스 구현
    //# 응용프로그램의 메인 루프
    //##########################################################################################
    public void run(){
        while(true){
            repaint();
            
            try{
                Thread.sleep(100);                            //초당 10프레임 (예상치)
            }catch(Exception e){
                System.out.println("쓰레드 슬립 에러");
            }
        }
    }
    
    //##########################################################################################
    //# Canvas 클래스의 paint(...)추상 메소드 구현
    //# 화면에 무언가를 그린다.(Canvas 인스턴스가 생성 되거나 repaint() 메소드 호출시 실행된다)
    //##########################################################################################
    public void paint(Graphics g){
        g.setColor(0x333333);
        g.fillRect(0, 0, WIDTH, HEIGHT);

        ((Graphics3D)g).renderPrimitives(tstTex, 
            0, 0, 
            layout, effect, 
            Graphics3D.PRIMITVE_QUADS | 
            Graphics3D.PDATA_COLOR_PER_COMMAND | 
            Graphics3D.PDATA_NORMAL_NONE |
            Graphics3D.PDATA_TEXURE_COORD_NONE,
            1, 
            vtxCoord, norCoord, texCoord, colCoord);

        ((Graphics3D)g).flush();
    }
    
    private final int    WIDTH=      this.getWidth();                    //화면의 넓이(사용가능한)
    private final int    HEIGHT=     this.getHeight();                    //화면의 높이(사용가능한)
    private final int    CENTERX=    WIDTH >> 1;                            //화면의 X축 중심
    private final int    CENTERY=    HEIGHT >> 1;                        //화면의 Y축 중심

    private Vector3D     objPos;
    private Vector3D     look;
    private Vector3D     up;

    private AffineTrans  trans;
    private FigureLayout layout;

    private Texture      sphTex;     
    private Texture      tstTex;
    private Effect3D     effect;

    private int          vtxCoord[]=    {-300, -300, -1, -300, 300, -1, 300, 300, -1, 300, -300, -1};
    private int          norCoord[]=    {};
    private int          texCoord[]=    {};
    private int          colCoord[]=    {0xff0000};
}