import javax.microedition.lcdui.*;import javax.microedition.lcdui.game.*;import javax.microedition.m3g.*;public class M3GCanvas extends GameCanvas implements Runnable {    private Graphics3D g3d ;    private SkinnedMesh skinnedMesh;    private Light light;    private Camera camera;    private int CurrentFrame;    private Transform trans;    private Transform lightTrans;    private Transform bone1Trans;    private Transform bone2Trans;    private Group skeleton;    private Group bone1;    private Group bone2;    private int iStartTime;    private Graphics g;    private Background back = new Background();    public M3GCanvas(){        super(true);        CurrentFrame = 0;        trans = new Transform();        makeSkinned();        back.setColor(0xFFFFFFFF);        back.setDepthClearEnable(true);                light = new Light();        light.setMode(Light.OMNI);        light.setAttenuation(0.001f, 0.1f, 0.0f);        light.setIntensity(1.0f);        light.setColor(0xFFFFFF);        lightTrans = new Transform();        lightTrans.postTranslate(-5.f, -5.f, 16.f);        Graphics3D.getInstance().addLight(light, lightTrans);        camera = new Camera();        camera.setPerspective(90.f, 1.f, 1.f, 150.f);        Transform cameraTrans = new Transform();        cameraTrans.postTranslate(0.f, 0.f, 26.f);        Graphics3D.getInstance().setCamera(camera, cameraTrans);        Thread t = new Thread(this);        t.start();    }    private void makeSkinned(){        bone2Trans = new Transform();        bone1Trans = new Transform();                int sides = 12;        short[] POINTS = new short[sides*8*3*3];        short[] NORMALS = new short[sides*8*3*3];        for (int i = 0; i < 8*3; i++)        {            for (int j = 0; j < sides; j++)            {                POINTS[3*(i*sides + j)] = (short) (100*Math.sin(2*Math.PI*((float)j / (float)sides)));                POINTS[3*(i*sides + j) + 1] = (short) (-50*i + 4*3*50); // Normalize to origin.                POINTS[3*(i*sides + j) + 2] = (short) (100*Math.cos(2*Math.PI*((float)j / (float)sides)));                NORMALS[3*(i*sides + j)] = (short) (-100*Math.sin(2*Math.PI*((float)j / (float)sides)));                NORMALS[3*(i*sides + j) + 1] = (short) 0;                NORMALS[3*(i*sides + j) + 2] = (short) (-100*Math.cos(2*Math.PI*((float)j / (float)sides)));            }        }        VertexArray NORMAL_ARRAY = new VertexArray(3*8*sides, 3, 2);        NORMAL_ARRAY.set(0,3*8*sides, NORMALS);        VertexArray POSITION_ARRAY = new VertexArray(3*8*sides, 3, 2);        POSITION_ARRAY.set(0,3*8*sides, POINTS);        int[] INDICES = new int[(8*3-1)*(2*sides+2)];        int[] LENGTH = new int[8*3-1];        for (int i = 0; i < 8*3-1; i++)        {            INDICES[i*(2*sides+2)] = i*sides;            for (int j = 1; j < sides+1; j++)            {                INDICES[i*(2*sides+2)+j*2-1] = (j%sides) + i*sides;                INDICES[i*(2*sides+2)+j*2] = (j%sides) + (i+1)*sides;            }            INDICES[i*(2*sides+2)+sides*2+1] = (i+1)*sides + 1;            LENGTH[i] = 2*sides+2;        }        TriangleStripArray indexBuffer = new TriangleStripArray(INDICES, LENGTH);        VertexBuffer vertexBuffer = new VertexBuffer();        vertexBuffer.setPositions(POSITION_ARRAY, .03f, null);        vertexBuffer.setNormals(NORMAL_ARRAY);        vertexBuffer.setDefaultColor(0xFFFF0000);        Material material = new Material();        material.setColor(Material.AMBIENT, 0xFFFF0097);         material.setColor(Material.DIFFUSE, 0xff0B7FCC);         PolygonMode polyMode = new PolygonMode();        polyMode.setCulling(PolygonMode.CULL_NONE);        polyMode.setTwoSidedLightingEnable(true);        Appearance appearance = new Appearance();        appearance.setMaterial(material);        appearance.setPolygonMode(polyMode);        skeleton = new Group();        bone1 = new Group();        bone2 = new Group();        skeleton.addChild(bone1);        bone1.addChild(bone2);                skinnedMesh = new SkinnedMesh(vertexBuffer, indexBuffer, appearance, skeleton);        skinnedMesh.addTransform(bone1, 200, 8*sides, 10*sides);        skinnedMesh.addTransform(bone2, 1, 2*8*sides, 8*sides);        }    public void run() {        Graphics g = getGraphics();        while(true) {        g3d = Graphics3D.getInstance();        g3d.bindTarget(g);        try{        g3d.clear(back);        bone1Trans.setIdentity();        bone1Trans.postTranslate(0.0f, (float) (4*3*25)*0.03f, 0.0f);        bone1Trans.postRotate((float)Math.sin(((double)CurrentFrame/30)*Math.PI*2)*40, 0.0f, 0.0f, 1.0f);        bone1Trans.postTranslate(0.0f, (float) (-4*3*25)*0.03f, 0.0f);        bone1.setTransform(bone1Trans);        bone2Trans.setIdentity();        bone2Trans.postTranslate(0.0f, (float) (-4*3*25)*0.03f, 0.0f);        bone2Trans.postRotate((float)Math.sin(((double)CurrentFrame/60)*Math.PI*2)*40, 0.0f, 0.0f, 1.0f);        bone2Trans.postTranslate(0.0f, (float) (4*3*25)*0.03f, 0.0f);        bone2.setTransform(bone2Trans);        trans.postRotate(2.0f, 0.0f, 1.0f, 0.0f);        g3d.render(skinnedMesh, trans);        if ((CurrentFrame + 15) % 30 == 0)        {            skinnedMesh = (SkinnedMesh) skinnedMesh.duplicate();            bone1 = (Group) skinnedMesh.getSkeleton().getChild(0);            bone2 = (Group) bone1.getChild(0);        }        CurrentFrame++;        }catch(Exception e){            System.err.println(e);        }finally{            g3d.releaseTarget();        }        flushGraphics();            try {                Thread.sleep(200);             }            catch (InterruptedException e) {                            }        }    }   }