coneyoyo.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 ConeYoyo  {

	/**
	 * @param args
	 */
	private BranchGroup yoyoBG;
	public ConeYoyo()
	{
		
		yoyoBG = new BranchGroup();
		 Transform3D rotate = new Transform3D();
		 Transform3D translate = new Transform3D();
		Appearance yoyoAppear = new Appearance();
		
		 rotate.rotZ(Math.PI/2.0d);
		TransformGroup yoyoTGR1 = new TransformGroup(rotate);
		translate.set(new Vector3f(0.1f, 0.0f, 0.0f));
		TransformGroup yoyoTGT1 = new TransformGroup(translate);
		
		 Cone cone1 = new Cone(0.6f, 0.2f);
		cone1.setAppearance(yoyoAppear);
		
		yoyoBG.addChild(yoyoTGT1);
		 yoyoTGT1.addChild(yoyoTGR1);
		 yoyoTGR1.addChild(cone1);
		
		 translate.set(new Vector3f(-0.1f, 0.0f, 0.0f));
		TransformGroup yoyoTGT2 = new TransformGroup(translate);
		
		rotate.rotZ(-Math.PI/2.0d);
		TransformGroup yoyoTGR2 = new TransformGroup(rotate);
	
		 Cone cone2 = new Cone(0.6f, 0.2f);
		 cone2.setAppearance(yoyoAppear);
		
		yoyoBG.addChild(yoyoTGT2);
		 yoyoTGT2.addChild(yoyoTGR2);
		 yoyoTGR2.addChild(cone2);
		
		 yoyoBG.compile();
		 
		 SimpleUniverse s=new SimpleUniverse();
		 s.getViewingPlatform().setNominalViewingTransform();
		    s.addBranchGraph(yoyoBG);
	}
	public static void main(String[] args) {
		// TODO Auto-generated method stub
      new ConeYoyo();
	}

}