trishape.java

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package sector3d;

import javax.media.j3d.*;

/**
 * <p>Title: 输出显示三维扇面</p>
 * <p>Description: 应用Java 3D API生成三维扇面</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: 北京师范大学计算机系</p>
 * @author 王大伟
 * @version 1.0
 */

public class triShape extends Shape3D {
    int FanCount[] = new int[2];
private float vert[] = {
0.0f , 0.0f , 0.0f, -0.3f , 0.3f , 0.02f, -0.1f , 0.4f , -0.02f,
0.1f , 0.4f , 0.02f, 0.3f, 0.3f , -0.02f, 0.0f, -0.8f , 0.0f, -0.6f, -0.2f, 0.02f,
-0.3f, -0.1f , -0.02f,.0f, -0.05f, 0.02f,.3f, -0.1f, -0.02f,.6f, -0.2f, 0.02f};
private float color[] = {
1.0f,0.5f,0.0f, 1.0f,0.0f,0.5f, 1.0f,0.8f,0.0f,
5.0f,1.0f,0.0f, 0.0f,1.0f,0.5f, 0.9f,1.0f,0.0f, 0.5f,0.0f,1.0f,
0.0f,0.5f,1.0f, 1.0f,0.5f,0.0f, 1.0f,0.0f,0.5f, };
public triShape() {
        FanCount[0] = 5;
        FanCount[1] = 6;
        TriangleFanArray tri = new TriangleFanArray(11,
             TriangleFanArray.COORDINATES|
             TriangleFanArray.COLOR_3 , FanCount);
          tri.setCoordinates(0,vert);
          tri.setColors(0,color);
        PolygonAttributes pa = new PolygonAttributes();
          pa.setCullFace(PolygonAttributes.CULL_NONE);
        Appearance ap = new Appearance();
          ap.setPolygonAttributes(pa);
        this.setGeometry(tri);
        this.setAppearance(ap);
        this.setGeometry(tri);
     }
}