simplebox.java

java 3d 系列源码

//SimpleCone.java
import java.applet.Applet;//可以插入html
import java.awt.BorderLayout;//窗口采用BorderLayout方式布局
import java.awt.GraphicsConfiguration;
import com.sun.j3d.utils.applet.MainFrame;//application
import com.sun.j3d.utils.geometry.*;//调用生成Cone的Utility
import com.sun.j3d.utils.universe.*;//观测位置的设置
import javax.media.j3d.*;//核心类
import javax.vecmath.*;//矢量计算
import com.sun.j3d.utils.behaviors.mouse.*;
import com.sun.j3d.utils.image.*;
import java.awt.GraphicsConfiguration;
public class SimpleBox extends Applet {
  public BranchGroup createSceneGraph() {
    BranchGroup objRoot=new BranchGroup();//BranchGroup的一个对象objRoot（放置背景、灯光）
   // TransformGroup objTrans=new TransformGroup();//坐标系
   //objRoot.addChild(objTrans);
    
    BoundingSphere bounds=new BoundingSphere(new Point3d(0.0,0.0,0.0),100.0);//有效范围
    
    Color3f bgColor=new Color3f(0.0f,0.0f,0.0f);//背景颜色
    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.f,0.f,-1.0f);
    DirectionalLight directionalLight=new DirectionalLight(directionalColor,vec);
    directionalLight.setInfluencingBounds(bounds);
    objRoot.addChild(directionalLight);
    
    TransformGroup objTrans=new TransformGroup();
      objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
      objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    objRoot.addChild(objTrans);
    
    Appearance app=new Appearance();
    Material mat=new Material();
    mat.setDiffuseColor(new Color3f(1.0f,1.0f,1.0f));
    app.setMaterial(mat);
    
    TextureLoader tex=new TextureLoader("1.jpg",this);
    app.setTexture(tex.getTexture());
    
    Transform3D t=new Transform3D();
    t.setTranslation(new Vector3d(.6,.2,0));
    // t.setScale(0.5);
    TransformGroup groupb=new TransformGroup(t);
    groupb.addChild(new Box(.2f,.15f,.15f,Primitive.GENERATE_NORMALS|Primitive.GENERATE_TEXTURE_COORDS,app));
    
    objTrans.addChild(groupb);
    
    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);
          
    
    
    objRoot.compile();
    return objRoot;
  }
  
  public SimpleBox() {
    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) {
    new MainFrame(new SimpleBox(),400,300);
  }
}//end of SimpleCone.java