ball.java

用java 3d实现的红色球体。在本file里将如何以点制作java 3d体现了出来

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package traak.java3d;

import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.DirectionalLight;
import javax.vecmath.Color3f;
import javax.vecmath.Point3d;
import javax.vecmath.Vector3f;

import com.sun.j3d.utils.geometry.Sphere;
import com.sun.j3d.utils.universe.SimpleUniverse;

public class Ball {
  public Ball() {
    // Create the universe
    SimpleUniverse universe = new SimpleUniverse();

    // Create a structure to contain objects
    BranchGroup group = new BranchGroup();

    // Create a ball and add it to the group of objects
    Sphere sphere = new Sphere(0.5f);
    group.addChild(sphere);

    // Create a red light that shines for 100m from the origin
    Color3f light1Color = new Color3f(1.8f, 0.1f, 0.1f);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0),
        100.0);
    Vector3f light1Direction = new Vector3f(4.0f, -7.0f, -12.0f);
    DirectionalLight light1 = new DirectionalLight(light1Color,
        light1Direction);
    light1.setInfluencingBounds(bounds);
    group.addChild(light1);

    // look towards the ball
    universe.getViewingPlatform().setNominalViewingTransform();

    // add the group of objects to the Universe
    universe.addBranchGraph(group);
  }

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