mytext2d.java

java 3d 系列源码

//MyText2D.java
import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.event.*;
import java.awt.GraphicsConfiguration;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.ColorCube;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import com.sun.j3d.utils.behaviors.mouse.*;
import java.awt.Font;
import com.sun.j3d.utils.geometry.Text2D;
import java.awt.GraphicsConfiguration;
public class MyText2D extends Applet {
  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(0.0f,0.0f,0.0f);
    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(1.f,1.f,-1.0f);
    DirectionalLight directionalLight=new DirectionalLight(directionalColor,vec);
    directionalLight.setInfluencingBounds(bounds);
    objTrans.addChild(directionalLight);
    
    Transform3D temp=new Transform3D();
    temp.setTranslation(new Vector3f(-0.8f,0f,-0.0f));
    TransformGroup group2D=new TransformGroup(temp);
    Shape3D text2D=new Text2D("清华大学",new Color3f(1f,1f,0f),"宋体",100,Font.BOLD);
    group2D.addChild(text2D);
    objTrans.addChild(group2D);
    
    MouseRotate behavior = new MouseRotate();
    behavior.setTransformGroup(objTrans);
    objRoot.addChild(behavior);
    behavior.setSchedulingBounds(bounds);

    MouseZoom behavior2 = new MouseZoom();
    behavior2.setTransformGroup(objTrans);
    objRoot.addChild(behavior2);
    behavior2.setSchedulingBounds(bounds);

    MouseTranslate behavior3 = new MouseTranslate();
    behavior3.setTransformGroup(objTrans);
    objRoot.addChild(behavior3);
    behavior3.setSchedulingBounds(bounds);
    
    return objRoot;
  }
  
  public MyText2D() {
    setLayout(new BorderLayout());
    //GraphicsConfiguration config=SimpleUniverse.getPreferredConfiguration();
    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) {
    new MainFrame(new MyText2D(),400,300);
  }
}//end of MyText2D.java