copyofball.java

使用java3d进行,obj文件的加载.和实现全方位的3维场景交互

package csu.chailei.test;
import com.sun.j3d.utils.geometry.*;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;

import com.sun.j3d.utils.geometry.Box;
import javax.media.j3d.Appearance;
import javax.vecmath.*;
public class CopyOfBall {

	/**
	 * @param args
	 */
	public CopyOfBall()
	{
		//new Universe
		SimpleUniverse universe=new SimpleUniverse();
	    //new Branch
		BranchGroup group=new BranchGroup();
		//new a spere add group
		Sphere sphere=new Sphere(0.3f);
		Sphere sphere2=new Sphere(0.2f);
		Cone con=new Cone(0.1f,0.1f);
		group.addChild(sphere);
		//group.addChild(sphere2);
		TransformGroup tg=new TransformGroup();
		//tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
		TransformGroup tg1=new TransformGroup(); 
		Transform3D tf3D=new Transform3D();
		Transform3D tf3D1=new Transform3D();
		Vector3f vector=new Vector3f(.0f,0.4f,.0f);
		Vector3f vectorcon=new Vector3f(0.4f,.0f,.0f);
		tf3D.setTranslation(vector);
		tf3D1.setTranslation(vectorcon);
		tg.setTransform(tf3D);
		tg1.setTransform(tf3D1);
		tg.addChild(sphere2);
		tg1.addChild(con);
		group.addChild(tg1);
		group.addChild(tg);
		
		///
		
		Alpha rotationAlpha = new Alpha(-1, 8000);

		RotationInterpolator rotator =
		    new RotationInterpolator(rotationAlpha, tg, tf3D,
					     0.0f, (float) Math.PI*2.0f);
		BoundingSphere bound =
		    new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
		rotator.setSchedulingBounds(bound);
		group.addChild(rotator);
//		Appearance ap=new Appearance();
//		Color3f ac=new Color3f(1.2f,1.1f,0.1f);
//		ColoringAttributes c=new ColoringAttributes(ac,1);
//		
//		ap.setColoringAttributes(c);
//		Box b=new Box(0.3f,0.3f,0.3f,ap);
//		group.addChild(b);
		//Appearance a=new Appearance(); 
		//new a light
		
		Color3f lightColor=new Color3f(1.8f,0.1f,0.1f);//color
		BoundingSphere bounds=new BoundingSphere(new Point3d(0.0,0.0,0.0),100.0);//point radium
		
		Vector3f lightDirection=new Vector3f(-8.0f,-7.0f,-12.0f);//derection
		
		DirectionalLight light1=
			new DirectionalLight(lightColor,lightDirection);
	     light1.setInfluencingBounds(bounds);
	     group.addChild(light1);
	     
	     //view spere
	     universe.getViewingPlatform().setNominalViewingTransform();
	     //add to universe
	     universe.addBranchGraph(group);
	
	}
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		new CopyOfBall();
	}

}