my.java

有关于java 3D的一些编程

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

public class My{
	public My(){
		SimpleUniverse universe=new SimpleUniverse();   //创建一个虚拟空间
		BranchGroup group=new BranchGroup();   //创建一个用来包含对象的数据结构
		Sphere sphere=new Sphere(0.5f);   //小球的半径为0.5米
		group.addChild(sphere);   //创建一个球并把它加到group中
		Color3f lightlColor=new Color3f(1.8f,0.1f,0.1f);  //创建一束红色光
		BoundingSphere bounds=new BoundingSphere(new Point3d(0.0,0.0,0.0),100.0);  //设置光线的颜色
		Vector3f lightlDirection=new Vector3f(5.0f,-0.7f,-12.0f);  //设置光线
		DirectionalLight lightl=new DirectionalLight(lightlColor,lightlDirection);
		lightl.setInfluencingBounds(bounds);
		group.addChild(lightl);
		universe.getViewingPlatform().setNominalViewingTransform();
		universe.addBranchGraph(group);
	}
	public static void main(String args[]){
		new My();
	}
}