mytriangle.java

这个就是目前我收集,以及自己写的一些java3d的原码,大部分都可以运行,适合和我一样,刚刚开始对java3D心动的菜鸟

package com.java3d.test;
import java.applet.Applet;
import java.awt.BorderLayout;
import javax.media.j3d.Appearance;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.PolygonAttributes;
import javax.media.j3d.Shape3D;
import javax.media.j3d.TriangleArray;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.SimpleUniverse;




public class myTriangle extends Applet {
		 
	    /**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	
    public BranchGroup createSceneGraph() {
	
		float vert[] = {  
	        -.8f , .0f ,0.0f, 
	        -.4f , .8f ,0.0f, 
	        -.4f , -.8f,0.0f, 
	        -.2f , .0f ,0.0f, 
	        0.2f , .8f ,0.0f, 
	        0.2f , -.8f,0.0f, 
	        0.4f , .0f ,0.0f, 
	        0.8f , .8f ,0.0f, 
	        0.8f , -.8f,0.0f, 
	       }; 
	 
	    float color[] = { 
	        0.0f,0.5f,1.0f, 
	        0.5f,0.0f,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,1.0f, 
	        0.5f,0.0f,1.0f, 
	        0.0f,0.8f,2.0f, 
	      }; 
	 

	    	
	    	BranchGroup objRoot = new BranchGroup(); 
	    	
	    	Shape3D shape = new Shape3D();
	        TriangleArray tri = new TriangleArray(9,TriangleArray.COORDINATES|TriangleArray.COLOR_3); 
	          tri.setCoordinates(0,vert); 
	          tri.setColors(0,color); 
	         
	          PolygonAttributes pa = new PolygonAttributes(); 
	          pa.setCullFace(PolygonAttributes.CULL_NONE); 
	          Appearance ap = new Appearance(); 
	          ap.setPolygonAttributes(pa); 
	          shape.setGeometry(tri); 

	          objRoot.addChild(shape);
	          objRoot.compile();
	          return objRoot;
	          
	    } 
	    
	    public myTriangle() { 
	    	
			Canvas3D canvas = new Canvas3D(SimpleUniverse
					.getPreferredConfiguration());
			setLayout(new BorderLayout());
			add("Center", canvas);
			BranchGroup scene = createSceneGraph(); 
			SimpleUniverse u = new SimpleUniverse(canvas);
			u.getViewingPlatform().setNominalViewingTransform();
	        u.addBranchGraph(scene); 
	        
	    } 
	 
	    public static void main(String[] args) { 
	        new MainFrame(new myTriangle(), 500,500); 
	    } 
	    
	    
	}