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Example8.java
资源名称：J2ME&Game.rar　[点击查看]
上传用户：gyyuli
上传日期：2013-07-09
资源大小：3050k
文件大小：4k
源码类别：

J2ME

开发平台：

Java

Example8.java：源码内容
  2. import javax.microedition.m3g.*;
  4. /**
  5.  * Morphing test.
  6.  */
  7. public class Example8 extends ExampleBase
  8. {
  10.     private MorphingMesh iMorphingMesh;
  11.     private Light iLight;
  12.     private Camera iCamera;
  13.     private int iCurrentFrame;
  14.     private Transform trans;
  15.     private Transform iLightTrans;
  16.     private float[] iWeights;
  18.     public Example8()
  19.     {
  20.         super(SHOW_RENDER_TIME);
  21.         iCurrentFrame = 0;
  22.         trans = new Transform();
  23.         iWeights = new float[2];
  24.     }
  26.     protected void render(int time)
  27.     {
  28.         Background back = new Background();
  29.         back.setColor(0xffFFFFFF);
  30.         back.setDepthClearEnable(true);
  31.         Graphics3D.getInstance().clear(back);
  33.         Graphics3D.getInstance().resetLights();
  34.         Graphics3D.getInstance().addLight(iLight, iLightTrans);
  36.         for (int i = 0; i < iWeights.length; i++)
  37.         {
  38.             iWeights[i] = (float) Math.sin(((float) (iCurrentFrame % (60*(i+1)))) / ((float) (60*(i+1))) * Math.PI);
  39.         }
  40.         iCurrentFrame++;
  41.         iMorphingMesh.setWeights(iWeights);
  42.         Graphics3D.getInstance().render(iMorphingMesh, trans);
  43.     }
  45.     protected void initialize()
  46.     {
  47.         VertexArray normals = new VertexArray(6, 3, 1);
  48.         normals.set(0,6,new byte[] {0,0,-127,
  49.                                     0,0,-127,
  50.                                     0,0,-127,
  51.                                     0,0,-127,
  52.                                     0,0,-127,
  53.                                     0,0,-127});
  55.         VertexArray basePositions = new VertexArray(6, 3, 2);
  56.         basePositions.set(0,6,new short[] {-100, -100, 0,
  57.                                           100,  -100, 0,
  58.                                           100,   0, 0,
  59.                                           100,   100, 0,
  60.                                           -100,  100, 0,
  61.                                           -100,  0, 0});
  63.        
  64.         VertexArray[] targetPos = new VertexArray[2];
  65.         for (int i = 0; i < targetPos.length; i++)
  66.         {
  67.             targetPos[i] = new VertexArray(6,3,2);
  68.             targetPos[i].set(0,6,new short[] {-100,              -100, 0,
  69.                                              100,               -100, 0,
  70.                                              (short)(50*(1-i)+100),   0, 0,
  71.                                              100,                100, 0,
  72.                                              -100,               100, 0,
  73.                                              (short)(-50*i-100), 0, 0});
  74.         }
  76.         TriangleStripArray strip = new TriangleStripArray(new int[] {1, 0, 2, 5, 3, 4},
  77.                                                           new int[] {6});
  79.         VertexBuffer base = new VertexBuffer();
  80.         base.setPositions(basePositions, .1f, null);
  81.         base.setNormals(normals);
  82.         base.setDefaultColor(0xFF0B7FCC);
  84.         VertexBuffer[] targets = new VertexBuffer[2];
  85.         for (int i = 0; i < targets.length; i++)
  86.         {
  87.             targets[i] = new VertexBuffer();
  88.             targets[i].setPositions(targetPos[i], 1.0f, null);
  89.             if (i == 0)
  90.             {
  91.                 targets[i].setDefaultColor(0xFFFF0000);
  92.             }
  93.             else
  94.             {
  95.                 targets[i].setDefaultColor(0xFF0B7FCC);
  96.             }
  97.         }
  99.         Material material = new Material();
  100.         material.setVertexColorTrackingEnable(true);
  101.         PolygonMode polyMode = new PolygonMode();
  102.         polyMode.setCulling(PolygonMode.CULL_NONE);
  103.         polyMode.setTwoSidedLightingEnable(true);
  104.         Appearance appearance = new Appearance();
  105.         appearance.setMaterial(material);
  106.         appearance.setPolygonMode(polyMode);
  108.         iMorphingMesh = new MorphingMesh(base, targets, strip, appearance);
  110.         iLight = new Light();
  111.         iLight.setMode(Light.DIRECTIONAL);
  112.         iLight.setIntensity(0.7f);
  113.         iLight.setColor(0xFFFFFF);
  114.         iLightTrans = new Transform();
  115.         iLightTrans.postTranslate(-10.f, -10.f, 6.f);
  117.         iCamera = new Camera();
  118.         iCamera.setPerspective(90.f, 1.f, 1.f, 150.f);
  119.         Transform cameraTrans = new Transform();
  120.         cameraTrans.postTranslate(0.f, 0.f, 26.f);
  121.         Graphics3D.getInstance().setCamera(iCamera, cameraTrans);
  122.     }
  124. }