quadshape2.java

用于java3d的初级测试。由于本人是java3d新手。所以没有注示每段代码的具体用途。

import javax.media.j3d.*;

public class quadShape2 extends Shape3D {
     private float vert[] = { 
             -.6f , .6f , .0f ,
             -.6f , -.6f, .0f ,
           -.3f , .6f , .0f ,
             -.3f , -.6f, .0f ,
           -.0f , .6f , .0f ,
             -.0f , -.6f, .0f ,
           .3f , .6f , .0f ,
             .3f , -.6f, .0f ,
           .6f , .6f , .0f ,
             .6f , -.6f, .0f ,
          };

    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 quadShape2() {    
           int[] index={ 2 , 1 , 3 , 4 , 4 , 7 , 9 , 6};
        int VertexCount=8;
        IndexedQuadArray quad = new IndexedQuadArray(10, 
             IndexedQuadArray.COORDINATES|
                      IndexedQuadArray.COLOR_3 , VertexCount);
          quad.setCoordinates(0,vert);
          quad.setColors(0,color);
          quad.setCoordinateIndices(0,index);
          quad.setColorIndices(0,index);
        PolygonAttributes pa = new PolygonAttributes();
          pa.setCullFace(PolygonAttributes.CULL_NONE);
        Appearance ap = new Appearance();
          ap.setPolygonAttributes(pa);
        this.setGeometry(quad);
        this.setAppearance(ap);
        this.setGeometry(quad);
     }
}