basicscenewithmousecontrolandlights.java

这个是JAVA3D 做的圆柱体的源代码。比较基本

import javax.swing.JFrame;
import java.awt.BorderLayout;
import java.awt.GraphicsConfiguration;
import com.sun.j3d.utils.geometry.*;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;

import com.sun.j3d.utils.behaviors.mouse.*;
import javax.vecmath.*;

public class BasicSceneWithMouseControlAndLights extends JFrame 
{
  public static void main(String args[])
  {
    new BasicSceneWithMouseControlAndLights();
  }
  
  public BasicSceneWithMouseControlAndLights()
  {

    getContentPane().setLayout(new BorderLayout());

    GraphicsConfiguration config = 
      SimpleUniverse.getPreferredConfiguration();

    Canvas3D canvas = new Canvas3D(config);
    getContentPane().add(canvas, BorderLayout.CENTER);

    SimpleUniverse u = new SimpleUniverse(canvas);
    u.getViewingPlatform().setNominalViewingTransform();

    BranchGroup root = new BranchGroup();
    
    TransformGroup transGroup = new TransformGroup();
    transGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    BranchGroup scene = createContentBranch();
    transGroup.addChild(scene);
   
    root.addChild(transGroup);
    
    MouseRotate rotate = new MouseRotate();
    rotate.setTransformGroup(transGroup);
    transGroup.addChild(rotate);
    rotate.setSchedulingBounds(new BoundingSphere(new Point3d(), 1000.0));
    
    MouseZoom zoom = new MouseZoom();
    zoom.setTransformGroup(transGroup);
    transGroup.addChild(zoom);
    zoom.setSchedulingBounds(new BoundingSphere(new Point3d(), 1000.0));
    
    MouseTranslate translate = new MouseTranslate();
    translate.setTransformGroup(transGroup);
    transGroup.addChild(translate);
    translate.setSchedulingBounds(new BoundingSphere(new Point3d(), 1000.0));
    
    DirectionalLight light = new DirectionalLight(new Color3f(1.0f, 1.0f, 1.0f), 
        new Vector3f(-1.0f, -1.0f, -1.0f)); 
    light.setInfluencingBounds(new BoundingSphere(new Point3d(), 
        Double.MAX_VALUE));
    root.addChild(light);
    
    
    AmbientLight ambientLight = new AmbientLight(new Color3f(0.2f, 0.2f, 0.2f)); 
    ambientLight.setInfluencingBounds(new BoundingSphere(new Point3d(), 
        Double.MAX_VALUE));
    root.addChild(ambientLight);
    
    u.addBranchGraph(root);
    
    setSize(256, 256);
    setVisible(true);
    }

  public BranchGroup createContentBranch() 
  {
    BranchGroup root = new BranchGroup();
   
    // The color cube geometry...
    ColorCube colorCube = new ColorCube(0.3);
    root.addChild(colorCube);

    root.compile();

    return root;
  }
}