simplematerial.java

Java具有平台独立、面向对象、多线程等许多优点

import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Label;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.*;
import com.sun.j3d.utils.geometry.*;
import javax.media.j3d.*;
import javax.vecmath.*;

public class SimpleMaterial extends Applet {

    TransformGroup createTG(float x, float y, float z){
        Vector3f position = new Vector3f(x, y, z);
        Transform3D translate = new Transform3D();
        translate.set(position);
        TransformGroup trans1 = new TransformGroup(translate);
        return trans1;
    }

    Appearance createMatAppear(Color3f dColor, Color3f sColor, float shine) {

	    Appearance appear = new Appearance();
        Material material = new Material();
        material.setDiffuseColor(dColor);
        material.setSpecularColor(sColor);
        material.setShininess(shine);
        appear.setMaterial(material);

        return appear;
    }
	
	BranchGroup createScene()
	{
		BranchGroup sceneRoot = new BranchGroup();
		
		Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
		Color3f red   = new Color3f(1.0f, 0.0f, 0.0f);
		Color3f blue  = new Color3f(0.0f, 0.0f, 1.0f);
		
		TransformGroup trans11 = createTG(-0.7f, 0.7f, -0.5f);
		sceneRoot.addChild(trans11);
		trans11.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 1.0f)));

		TransformGroup trans12 = createTG(0.0f, 0.7f, -0.5f);
		sceneRoot.addChild(trans12);
		trans12.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 2.0f)));

		TransformGroup trans13 = createTG(0.7f, 0.7f, -0.5f);
		sceneRoot.addChild(trans13);
		trans13.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 4.0f)));

		TransformGroup trans21 = createTG(-0.7f, 0.0f, -0.5f);
		sceneRoot.addChild(trans21);
		trans21.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 8.0f)));

		TransformGroup trans22 = createTG(0.0f, 0.0f, -0.5f);
		sceneRoot.addChild(trans22);
		trans22.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 16.0f)));

		TransformGroup trans23 = createTG(0.7f, 0.0f, -0.5f);
		sceneRoot.addChild(trans23);
		trans23.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 32.0f)));


		TransformGroup trans31 = createTG(-0.7f, -0.7f, -0.5f);
		sceneRoot.addChild(trans31);
		trans31.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 64.0f)));

		TransformGroup trans32 = createTG(0.0f, -0.7f, -0.5f);
		sceneRoot.addChild(trans32);
		trans32.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 128.0f)));

		TransformGroup trans33 = createTG(0.7f, -0.7f, -0.5f);
		sceneRoot.addChild(trans33);
		trans33.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 128.0f)));

		
		
		/* * * * * * * * * * * * * * * * * * * * * * * * * * * */

		
/*		TransformGroup trans11 = createTG(-0.7f, 0.7f, -0.5f);
		sceneRoot.addChild(trans11);
		trans11.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 1000.0f)));

		TransformGroup trans12 = createTG(0.0f, 0.7f, -0.5f);
		sceneRoot.addChild(trans12);
		trans12.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 1000.0f)));

		TransformGroup trans13 = createTG(0.7f, 0.7f, -0.5f);
		sceneRoot.addChild(trans13);
		trans13.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 1000.0f)));

		TransformGroup trans21 = createTG(-0.7f, 0.0f, -0.5f);
		sceneRoot.addChild(trans21);
		trans21.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 1000.0f)));

		TransformGroup trans22 = createTG(0.0f, 0.0f, -0.5f);
		sceneRoot.addChild(trans22);
		trans22.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 1000.0f)));

		TransformGroup trans23 = createTG(0.7f, 0.0f, -0.5f);
		sceneRoot.addChild(trans23);
		trans23.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 1000.0f)));


		TransformGroup trans31 = createTG(-0.7f, -0.7f, -0.5f);
		sceneRoot.addChild(trans31);
		trans31.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 1000.0f)));

		TransformGroup trans32 = createTG(0.0f, -0.7f, -0.5f);
		sceneRoot.addChild(trans32);
		trans32.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 1000.0f)));

		TransformGroup trans33 = createTG(0.7f, -0.7f, -0.5f);
		sceneRoot.addChild(trans33);
		trans33.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60,
									createMatAppear(blue, white, 1000.0f)));
*/
		AmbientLight lightA = new AmbientLight();
		lightA.setInfluencingBounds(new BoundingSphere());
		sceneRoot.addChild(lightA);

		DirectionalLight lightD1 = new DirectionalLight();
		lightD1.setInfluencingBounds(new BoundingSphere());
		Vector3f direction = new Vector3f(0.0f, 0.0f, -1.0f);
		direction.normalize();
		lightD1.setDirection(direction);
		lightD1.setColor(red);
		sceneRoot.addChild(lightD1);

		PointLight lightP1 = new PointLight();
		lightP1.setInfluencingBounds(new BoundingSphere());
		Point3f position = new Point3f(0.0f, 0.0f, 1.0f);
		lightP1.setPosition(position);
		sceneRoot.addChild(lightP1);

		Background bg = new Background();
		bg.setApplicationBounds(new BoundingSphere());
		bg.setColor(white);
		sceneRoot.addChild(bg);
		
		return sceneRoot;
		
	}


  public SimpleMaterial (){
    setLayout(new BorderLayout());
    Canvas3D c = new Canvas3D(null);
    add("Center", c);

    SimpleUniverse u = new SimpleUniverse(c);

    // This will move the ViewPlatform back a bit so the
    // objects in the scene can be viewed.
    u.getViewingPlatform().setNominalViewingTransform();

    //Enable Local Eye Lighting
    u.getViewer().getView().setLocalEyeLightingEnable(true);

    u.addBranchGraph(createScene());
  }
  
  public static void main(String argv[])
  {
	  new MainFrame(new SimpleMaterial(), 400, 400);
  }
}