triangleshape3.java

java 3d 系列源码

//triangleShape3.java
import javax.media.j3d.*;

public class triangleShape3 extends Shape3D {
  int vCount=7;
  int fCount[]=new int[2];
  private float vert[]={
  	.5f,0.5f,0.0f, -0.5f,0.5f,0.0f,
       0.3f,0.0f,0.0f, -0.3f,0.0f,0.0f,
       0.5f,0.5f,0.0f, 0.5f,-0.5f,0.0f,
       0.6f,0.4f,0.0f      	
  };
  private float color[]={
       0.0f,0.5f,1.0f,  0.0f,0.5f,1.0f,
       0.0f,0.8f,2.0f,  1.0f,0.0f,0.3f,
       0.0f,1.0f,0.3f,  0.3f,0.8f,0.0f,
       0.0f,0.5f,0.2f
  };
  
  public triangleShape3() {
  	fCount[0]=4;
  	fCount[1]=3;
  	TriangleFanArray triangle=new TriangleFanArray(vCount,TriangleFanArray.COORDINATES|TriangleFanArray.COLOR_3,fCount);
  	  triangle.setCoordinates(0,vert);
  	  triangle.setColors(0,color);
  	PolygonAttributes polygona=new PolygonAttributes();
  	  polygona.setCullFace(PolygonAttributes.CULL_NONE);
  	Appearance app=new Appearance();
  	  app.setPolygonAttributes(polygona);
  	this.setGeometry(triangle);
  	this.setAppearance(app);
  	this.setGeometry(triangle);
   }
 }//end of triangleShape3.java