rottrans.java

Java3D程序,实现各种立体变换.适于基础编程.

import com.sun.j3d.utils.universe.SimpleUniverse; 
import com.sun.j3d.utils.geometry.*; 
import javax.media.j3d.*;
import javax.vecmath.Vector3f;


public class RotTrans
{public RotTrans()
  {SimpleUniverse su=new SimpleUniverse();
   BranchGroup bg=new BranchGroup();
   
   TransformGroup tg=new TransformGroup(); 
   ColorCube cc=new ColorCube(0.4); 
   tg.addChild(cc);
   
   Transform3D tf=new Transform3D();
   Vector3f vect=new Vector3f(0.8f,.0f,.0f);
   tf.setTranslation(vect);
   
   Transform3D temp=new Transform3D();
   temp.rotX(Math.PI/4);
   
   tf.mul(temp);
   
   tg.setTransform(tf);
   bg.addChild(tg);
   su.getViewingPlatform().setNominalViewingTransform();
   su.addBranchGraph(bg);
  }

 public static void main(String[] args)
  {new RotTrans();
  }
}