Les primitives graphiques de Java 3D

RETOUR

SimplePrimitive.java

/* Auteur: Nicolas JANEY         */
/* nicolas.janey@univ-fcomte.fr  */
/* Novembre 2001                 */

import java.applet.Applet;
import java.awt.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.*;
import com.sun.j3d.utils.geometry.*;
import javax.media.j3d.*;
import javax.vecmath.*;

public class SimplePrimitive extends Applet {

  public BranchGroup createSceneGraph(SimpleUniverse u) {
    BranchGroup objRoot = new BranchGroup();
    Appearance a = new Appearance();
    ColoringAttributes ca = new ColoringAttributes();
    a.setColoringAttributes(ca);
    { TransformGroup objTrans = new TransformGroup();
      objRoot.addChild(objTrans);
      Transform3D t1 = new Transform3D();
      t1.setTranslation(new Vector3d(-0.7,0.0,0.0)) ;
      Transform3D t2 = new Transform3D();
      t1.setRotation(new AxisAngle4d(1.0,1.0,0.0,Math.PI/5.0)) ;
      t1.mul(t2) ;
      objTrans.setTransform(t1);
      objTrans.addChild(new Sphere(0.18F,a)); }
    { TransformGroup objTrans = new TransformGroup();
      objRoot.addChild(objTrans);
      Transform3D t1 = new Transform3D();
      t1.setTranslation(new Vector3d(-0.25,0.0,0.0)) ;
      Transform3D t2 = new Transform3D();
      t1.setRotation(new AxisAngle4d(1.0,1.0,0.0,Math.PI/5.0)) ;
      t1.mul(t2) ;
      objTrans.setTransform(t1);
      objTrans.addChild(new Cone(0.14F,0.28F,1,a)); }
    { TransformGroup objTrans = new TransformGroup();
      objRoot.addChild(objTrans);
      Transform3D t1 = new Transform3D();
      t1.setTranslation(new Vector3d(0.25,0.0,0.0)) ;
      Transform3D t2 = new Transform3D();
      t1.setRotation(new AxisAngle4d(1.0,1.0,0.0,Math.PI/5.0)) ;
      t1.mul(t2) ;
      objTrans.setTransform(t1);
      objTrans.addChild(new Cylinder(0.14F,0.28F,a)); }
    { TransformGroup objTrans = new TransformGroup();
      objRoot.addChild(objTrans);
      Transform3D t1 = new Transform3D();
      t1.setTranslation(new Vector3d(0.7,0.0,0.0)) ;
      Transform3D t2 = new Transform3D();
      t1.setRotation(new AxisAngle4d(1.0,1.0,0.0,Math.PI/5.0)) ;
      t1.mul(t2) ;
      objTrans.setTransform(t1);
      objTrans.addChild(new Box(0.05F,0.13F,0.22F,a)); }
    objRoot.compile();
    return objRoot;
    }

  public SimplePrimitive() {
    setLayout(new BorderLayout());
    GraphicsConfiguration config;
    config = SimpleUniverse.getPreferredConfiguration();
    Canvas3D c = new Canvas3D(config);
    add("Center",c);
    SimpleUniverse u = new SimpleUniverse(c);
    BranchGroup scene = createSceneGraph(u);
    u.getViewingPlatform().setNominalViewingTransform();
    u.addBranchGraph(scene);
    }

  public static void main(String[] args) {
    new MainFrame(new SimplePrimitive(),600,150);
    }
  }

RETOUR

Remarques,erreurs
nicolas.janey@univ-fcomte.fr