JAVA21 21 - プログラム倉庫

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

public class ex21
{

public static void main(String[] args)
{
  ex21 test = new ex21();
}

public ex21()
{


  JFrame frame = new JFrame();
  frame.setSize(250,250);
  frame.setTitle("ex21");
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  JPanel cp = new JPanel();
  cp.setLayout(null);
  frame.add(cp);
  GraphicsConfiguration g_config = SimpleUniverse.getPreferredConfiguration();
  Canvas3D canvas = new Canvas3D(g_config);
  canvas.setBounds(0,0,250,250);
  cp.add(canvas);
SimpleUniverse universe = new SimpleUniverse(canvas);
frame.setVisible(true);  
  
ViewingPlatform camera = universe.getViewingPlatform();
  camera.setNominalViewingTransform();



  Color3f light_color = new Color3f(1.4f,1.4f,1.4f);
  Vector3f light_direction = new Vector3f(0.2f,-0.2f,-0.6f);
  DirectionalLight light = new DirectionalLight(light_color,light_direction);
  BoundingSphere bounds = new BoundingSphere();
  light.setInfluencingBounds(bounds);
  BranchGroup group2 = new BranchGroup();
  group2.addChild(light);
  universe.addBranchGraph(group2);


  Appearance appearance = new Appearance();
  Material material = new Material();

  //DiffuseColorを設定します。引数は順に赤、緑、青です。今回はうすい黄色・・・。
  material.setDiffuseColor(0.6f,0.6f,0.3f);

  appearance.setMaterial(material);
  BranchGroup group1 = new BranchGroup();

  //縦長の円柱を生成します。
  Cylinder cylinder = new Cylinder(0.2f,0.8f,appearance);

  group1.addChild(cylinder);
  universe.addBranchGraph(group1);

}

}