triangle.java

java 3d 系列源码

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

public class triangle extends Shape3D {
  int vCount=12;
  int sCount[]=new int[2];
  private float vert[]={
  	-0.6f,0.6f,0.0f, -0.6f,-0.6f,0.2f,
       -0.2f,0.6f,-.2f, -0.2f,-0.6f,0.2f,
       0.0f,-.3f,-.2f, 0.0f,.3f,.2f,
       0.2f,.0f,.0f,   0.2f,.6f,0.3f,
       0.2f,-.6f,-0.3f,0.6f,.6f,0.0f,
       0.6f,-.6f,0.5f,0.8f,0.0f,.3f
       
  };
  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,0.5f,  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,
       1.0f,0.8f,0.0f,  1.0f,0.5f,0.0f
  };
  
  public triangle() {
  	sCount[0]=7;
  	sCount[1]=5;
  	TriangleStripArray triangle=new TriangleStripArray(vCount,TriangleStripArray.COORDINATES|
  						TriangleStripArray.COLOR_3,sCount);
  	  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 triangle.java