mouserot.java

java 3d 系列源码

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


public class MouseRot extends Applet 
{
	private BranchGroup createSceneGraph() 
	{
    	BranchGroup objRoot=new BranchGroup();
    	BoundingSphere bounds=new BoundingSphere(new Point3d(0.0,0.0,0.0),100.0);
    	Color3f bgColor=new Color3f(1.0f,1.0f,1.0f);
    	Background bg=new Background(bgColor);
        bg.setApplicationBounds(bounds);
      	objRoot.addChild(bg);
    
    	TransformGroup objTrans=new TransformGroup();
      	objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
      	objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    	objRoot.addChild(objTrans);
    
   		MouseRotate behavior = new MouseRotate();
  	  	behavior.setTransformGroup(objTrans);
        objRoot.addChild(behavior);
        behavior.setSchedulingBounds(bounds);

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

        MouseTranslate behavior3 = new MouseTranslate();
        behavior3.setTransformGroup(objTrans);
        objRoot.addChild(behavior3);
        behavior3.setSchedulingBounds(bounds);
        
    	Shape3D shape=new triangleShape4();
    	objTrans.addChild(shape);
    
    	objRoot.compile();
    	return objRoot;
  	}
  
  	public MouseRot() 
  	{
    	setLayout(new BorderLayout());
    	
    	GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration(); 
    	Canvas3D c=new Canvas3D(config);
    	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 MouseRot(),400,300);
  	}
}