Les textures en Java 3D

RETOUR

SimpleTexture.java

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

import java.applet.Applet;
import java.awt.BorderLayout;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.Sphere;
import com.sun.j3d.utils.universe.*;
import java.awt.GraphicsConfiguration;
import com.sun.j3d.utils.geometry.*;
import com.sun.j3d.utils.image.TextureLoader;
import javax.media.j3d.*;
import javax.vecmath.*;
import java.util.Enumeration;
import java.awt.*;
import java.net.*;
import java.awt.image.*;

public class SimpleTexture extends Applet {

  static boolean applet = true ;
  private String base ;

  private Texture chercheTexture(String s) {
    if ( applet ) {
      try {
        String adresse = base+s ;
        URL u1 = new URL(adresse);
        return(new TextureLoader(u1,this).getTexture()) ; }
      catch (MalformedURLException e) { return(new Texture2D());} }
      else
      return(new TextureLoader(s,this).getTexture());
    }

  public BranchGroup createSceneGraph(SimpleUniverse u) {
    BranchGroup objRoot = new BranchGroup();
    BoundingSphere largeBounds;
    largeBounds = new BoundingSphere(new Point3d(0.0,0.0,0.0),100.0);
    { Vector3f ldir = new Vector3f(1.0F,1.0F,-2.0F);
      Color3f lcouldl = new Color3f(1.0F,1.0F,1.0F);
      DirectionalLight dl = new DirectionalLight(lcouldl,ldir);
      dl.setInfluencingBounds(largeBounds);
      objRoot.addChild(dl); }
    { Color3f lcoulal = new Color3f(0.3F,0.3F,0.1F);
      AmbientLight al = new AmbientLight(lcoulal);
      al.setInfluencingBounds(largeBounds);
      objRoot.addChild(al); }
    { 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);
      Appearance a = new Appearance();
      Texture t = chercheTexture("Prairie.jpg");
      a.setTexture(t);
      objTrans.addChild(new Sphere(0.18F,Sphere.GENERATE_TEXTURE_COORDS,100,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);
      Appearance a = new Appearance();
      Texture t = chercheTexture("Savon.jpg");
      a.setTexture(t);
      objTrans.addChild(new Cone(0.14F,0.28F,Cone.GENERATE_TEXTURE_COORDS,100,100,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);
      Appearance a = new Appearance();
      Texture t = chercheTexture("Parquet.jpg");
      a.setTexture(t);
      objTrans.addChild(new Cylinder(0.14F,0.28F,Cylinder.GENERATE_TEXTURE_COORDS,100,100,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);
      Appearance a = new Appearance();
      Texture t = chercheTexture("Bois.jpg");
      a.setTexture(t);
      objTrans.addChild(new Box(0.05F,0.13F,0.22F,Box.GENERATE_TEXTURE_COORDS,a)); }
    objRoot.compile();
    return objRoot;
    }

  public void lanceJava3D() {
    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 void init() {
    if ( applet ) {
      URL url = this.getCodeBase();
      base = url.toString();
      lanceJava3D(); }
    }

  public SimpleTexture() {
    if ( !applet ) {
      lanceJava3D(); }
    }

  public static void main(String[] args) {
    applet = false ;
    new MainFrame(new SimpleTexture(),600,150);
    }
  }

RETOUR

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