showtext3d.java

Java 多媒体技术(附源码) Java 3D API JavaSound API 各种格式的多媒体数据文件 JBuilder开发环境

package showtext3d;

import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.event.*;
import java.awt.GraphicsConfiguration;
import java.awt.geom.Line2D;
import java.awt.geom.QuadCurve2D;
import java.awt.Font;
import javax.media.j3d.*;
import javax.vecmath.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.ColorCube;
import com.sun.j3d.utils.universe.*;
import com.sun.j3d.utils.behaviors.mouse.*;

/**
 * <p>Title: 展示三维立体文字</p>
 * <p>Description: 应用Java 3D API生成三维立体文字</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: 北京师范大学计算机系</p>
 * @author 王大伟
 * @version 1.0
 */

public class ShowText3D extends Applet{
  boolean isStandalone = false;
  public BranchGroup createSceneGraph(){
  BranchGroup objRoot = new BranchGroup();
  TransformGroup objTrans = new TransformGroup();
  objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
   objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
  objRoot.addChild(objTrans);
  BoundingSphere bounds = new BoundingSphere(
new Point3d(0.0,0.0,0.0),100.0);
  Color3f bgColor = new Color3f(1.0f,1.0f,1.0f);
  Background bg = new Background(bgColor);
   bg.setApplicationBounds(bounds);
  objRoot.addChild(bg);
  Color3f DirectionalColor = new Color3f(1.f,1.f,1.f);
  Vector3f vec = new Vector3f(0.5f,-.5f,-1.0f);
  DirectionalLight directionalLight =
 new DirectionalLight(DirectionalColor,vec);
   directionalLight.setInfluencingBounds(bounds);
  objTrans.addChild(directionalLight);
  String text = "Java 3D";
  FontExtrusion extrusion0 = new FontExtrusion();
  QuadCurve2D.Double curve = new QuadCurve2D.Double();
   curve.setCurve(0,0,0.2,0.05,0.4,0);
  FontExtrusion extrusion1 = new FontExtrusion();
   extrusion1.setExtrusionShape(curve);
  Line2D.Double line = new Line2D.Double();
   line.setLine(0,0,0.4,0);
  FontExtrusion extrusion2 = new FontExtrusion();
   extrusion2.setExtrusionShape(line);
  Font3D f3d = new Font3D(new Font("", Font.PLAIN, 1), extrusion0);
  Text3D txt = new Text3D(f3d, text, new Point3f(0.0f, -1.f, -1.f));
  Shape3D sh = new Shape3D();
  Appearance app = new Appearance();
  Material m = new Material();
   m.setDiffuseColor(new Color3f(0.5f,0.0f,1.0f));
   app.setMaterial(m);
   sh.setGeometry(txt);
   sh.setAppearance(app);
  objTrans.addChild(sh);
  MouseRotate behavior = new MouseRotate();
   behavior.setTransformGroup(objTrans);
   behavior.setSchedulingBounds(bounds);
  objRoot.addChild(behavior);
  MouseZoom behavior2 = new MouseZoom();
   behavior2.setTransformGroup(objTrans);
   behavior2.setSchedulingBounds(bounds);
  objRoot.addChild(behavior2);
  MouseTranslate behavior3 = new MouseTranslate();
   behavior3.setTransformGroup(objTrans);
   behavior3.setSchedulingBounds(bounds);
  objRoot.addChild(behavior3);
  return objRoot;
 }
 public ShowText3D(){
  setLayout(new BorderLayout());
  GraphicsConfiguration config=SimpleUniverse.getPreferredConfiguration();
  Canvas3D c = new Canvas3D(config);
   add("Center", c);
  BranchGroup scene = createSceneGraph();
  SimpleUniverse u = new SimpleUniverse(c);
   u.getViewingPlatform().setNominalViewingTransform();
   u.addBranchGraph(scene);
 }

  public static void main(String[] args) {
    ShowText3D applet = new ShowText3D();
    applet.isStandalone = true;
    Frame frame;
    frame = new Frame() {
      protected void processWindowEvent(WindowEvent e) {
        super.processWindowEvent(e);
        if (e.getID() == WindowEvent.WINDOW_CLOSING) {
          System.exit(0);
        }
      }
      public synchronized void setTitle(String title) {
        super.setTitle(title);
        enableEvents(AWTEvent.WINDOW_EVENT_MASK);
      }
    };
    frame.setTitle("展示三维立体文字");
    frame.add(applet, BorderLayout.CENTER);
    applet.init();
    applet.start();
    frame.setSize(400,320);
    Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
    frame.setLocation((d.width - frame.getSize().width) / 2, (d.height - frame.getSize().height) / 2);
    frame.setVisible(true);
  }
}