pos.java

这个就是目前我收集,以及自己写的一些java3d的原码,大部分都可以运行,适合和我一样,刚刚开始对java3D心动的菜鸟

package com.java3d.test;

import com.sun.j3d.utils.geometry.ColorCube;
import java.applet.Applet;
import java.awt.BorderLayout;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.*;

import javax.media.j3d.*;
import javax.vecmath.*;

public class Pos extends Applet {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public  Pos() {
		
		
		setLayout(new BorderLayout());
		Canvas3D c = new Canvas3D(SimpleUniverse
				.getPreferredConfiguration());
		add("Center", c);

		Viewer viewer = new Viewer(c);
		Vector3d viewpoint = new Vector3d(0.0, 0.0, 10.0);
		//初始观察点位置 

		Transform3D t = new Transform3D();
		t.set(viewpoint);
		ViewingPlatform v = new ViewingPlatform();
		v.getViewPlatformTransform().setTransform(t);

		BranchGroup scene = createSceneGraph();
		SimpleUniverse u = new SimpleUniverse(v, viewer);

		u.getViewingPlatform();
		u.addBranchGraph(scene);
		/*
		Canvas3D canvas = new Canvas3D(SimpleUniverse
				.getPreferredConfiguration());
		setLayout(new BorderLayout());
		add("Center", canvas);
		BranchGroup scene = createSceneGraph(); 
		SimpleUniverse u = new SimpleUniverse(canvas);
		u.getViewingPlatform().setNominalViewingTransform();
        u.addBranchGraph(scene); 
		*/
		
	}

	private BranchGroup createSceneGraph() {

		BranchGroup objRoot = new BranchGroup();
		BoundingSphere bound = new BoundingSphere(new Point3d(0.0, 0.0, 0.0),
				50);

		Transform3D tr = new Transform3D();
		TransformGroup group = new TransformGroup(tr);
		group.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
		group.addChild(new ColorCube());

		Alpha xtranAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE
				| Alpha.DECREASING_ENABLE, 0, 0, 5000, 20000, 0, 5000, 20000, 0);
		PositionInterpolator tran = new PositionInterpolator(xtranAlpha, group,
				tr, -4.f, 4.f);
		tran.setSchedulingBounds(bound);
		group.addChild(tran);

		Color3f bgColor = new Color3f(1.0f, 1.0f, 1.0f);
		Background bg = new Background(bgColor);
		bg.setApplicationBounds(bound);
		objRoot.addChild(bg);

		objRoot.addChild(group);
		return objRoot;
	}

	public static void main(String[] args) {
		new MainFrame(new Pos(), 400, 400);
	}
}