mycube1.java

java开发的源程序例子它包括有基本的java语言练习是我亲自写出来的保证没有问题

//MyCube1.java
import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.event.*;
import java.awt.GraphicsConfiguration;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.*;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import com.sun.j3d.utils.behaviors.mouse.*;

public class MyCube1 extends Applet 
{
	public BranchGroup createSceneGraph() 
	{
    	BranchGroup objRoot=new BranchGroup();
    
    	BoundingSphere bounds=new BoundingSphere(new Point3d(0.0,0.0,0.0),100.0);
    
    	Color3f bgColor=new Color3f(0.0f,0.0f,0.0f);
    	Background bg=new Background(bgColor);
      	bg.setApplicationBounds(bounds);
    	objRoot.addChild(bg);
    
    	TransformGroup trans=new TransformGroup();
    	trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    	trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    	objRoot.addChild(trans);
    
    	TransformGroup g1=new TransformGroup();
    	g1.addChild(new ColorCube(0.2));
    
    	Transform3D t=new Transform3D();
//    t.setScale(0.5);
//    t.setTranslation(new Vector3f(-0.8f,0.0f,0.0f));
    
//    TransformGroup g2=new TransformGroup(t);
//    g2.addChild(new ColorCube(0.2));
    
//    t=new Transform3D();
//    t.setScale(new Vector3d(0.5,1.0,2.0));
//    t.setTranslation(new Vector3f(0.8f,0.0f,0.0f));
    
//    TransformGroup g3=new TransformGroup(t);
//    g3.addChild(new ColorCube(0.2));
    
		t=new Transform3D();
    	t.setScale(0.5);
    	t.setTranslation(new Vector3f(0.0f,0.6f,0.0f));
    	t.setRotation(new Quat4f(0.78f,0.78f,0.78f,0.0f));
    
    	TransformGroup g4=new TransformGroup(t);
    	g4.addChild(new ColorCube(0.2));
    
//    t=new Transform3D();
//    t.setTranslation(new Vector3f(0.0f,1.2f,0.0f));
    
//    TransformGroup g5=new TransformGroup(t);
//    g5.addChild(new ColorCube(0.2));
//    g2.addChild(g5);
    
//    t=new Transform3D();
//    t.setTranslation(new Vector3f(0.8f,0.6f,0.0f));
//    t.setRotation(new Quat4f(0.78f,0.78f,0.78f,0.0f));
//    TransformGroup g6=new TransformGroup(t);
//    g6.addChild(new ColorCube(0.2));
    
    	trans.addChild(g1);
//    trans.addChild(g2);
    //trans.addChild(g3);
    	trans.addChild(g4);
//    trans.addChild(g6);
        
    	MouseRotate behavior = new MouseRotate();
    	behavior.setTransformGroup(trans);
    	objRoot.addChild(behavior);
    	behavior.setSchedulingBounds(bounds);

    	MouseZoom behavior2 = new MouseZoom();
    	behavior2.setTransformGroup(trans);
    	objRoot.addChild(behavior2);
    	behavior2.setSchedulingBounds(bounds);

    	MouseTranslate behavior3 = new MouseTranslate();
    	behavior3.setTransformGroup(trans);
    	objRoot.addChild(behavior3);
    	behavior3.setSchedulingBounds(bounds);

    	objRoot.compile();
    	return objRoot;
  	}
  
  	public MyCube1() 
  	{
    	setLayout(new BorderLayout());
    	Canvas3D c=new Canvas3D(null);
    	add("Center",c);
    	BranchGroup scene=createSceneGraph();
    	SimpleUniverse u=new SimpleUniverse(c);
    	u.getViewingPlatform().setNominalViewingTransform();
    	u.addBranchGraph(scene);
  	}
  
  	public static void main(String[] args) 
  	{
    	new MainFrame(new MyCube1(),400,300);
  	}
}//end of MyCube1.java