This program shows the use of the
TextureLoader class to apply a different texture to each face of a 3D cube. Six two-dimensional images are used for this purpose. By clicking the "Spin" button, the dice will be rotated around x,y, and x axis. The
Transform3D is modified randomly with the help of
Random class.
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121 | import com.sun.j3d.utils.geometry.Primitive;
import com.sun.j3d.utils.geometry.Box;
import com.sun.j3d.utils.image.TextureLoader;
import com.sun.j3d.utils.universe.SimpleUniverse;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.media.j3d.Appearance;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.Shape3D;
import javax.media.j3d.Texture;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.swing.*;
import javax.vecmath.Vector3f;
import java.util.*;
public class Dice3D extends JFrame{
private Box box=null;
private BranchGroup bg=null;
private SimpleUniverse su=null;
private TransformGroup tg=null;
private Transform3D t3d=null;
private JButton bspin=null;
public Dice3D(){
super("Dice 3D");
setSize(300,400);
setLayout(new BorderLayout());
GraphicsConfiguration config=SimpleUniverse.getPreferredConfiguration();
Canvas3D canvas=new Canvas3D(config);
canvas.setSize(300,300);
add("Center",canvas);
su=new SimpleUniverse(canvas);
su.getViewingPlatform().setNominalViewingTransform();
bg=new BranchGroup();
Appearance ap=new Appearance();
ap.setCapability(Appearance.ALLOW_TEXTURE_WRITE);
ap.setCapability(Appearance.ALLOW_TEXGEN_WRITE);
box=new Box(0.5f,0.5f,0.5f,Primitive.GENERATE_NORMALS + Primitive.GENERATE_TEXTURE_COORDS,ap);
box.setCapability(Box.ENABLE_APPEARANCE_MODIFY);
box.setCapability(Box.GEOMETRY_NOT_SHARED);
TextureLoader loader = new TextureLoader("c://Users/MARIO/one.png","RGB",new Container());
Texture texture = loader.getTexture();
ap.setTexture(texture);
box.getShape(Box.FRONT).setAppearance(ap);
Appearance ap2=new Appearance();
TextureLoader loader2 = new TextureLoader("c://Users/MARIO/two.png","RGB",new Container());
Texture texture2 = loader2.getTexture();
ap2.setTexture(texture2);
box.getShape(Box.BACK).setAppearance(ap2);
Appearance ap3=new Appearance();
TextureLoader loader3 = new TextureLoader("c://Users/MARIO/three.png","RGB",new Container());
Texture texture3 = loader3.getTexture();
ap3.setTexture(texture3);
box.getShape(Box.LEFT).setAppearance(ap3);
Appearance ap4=new Appearance();
TextureLoader loader4 = new TextureLoader("c://Users/MARIO/four.png","RGB",new Container());
Texture texture4 = loader4.getTexture();
ap4.setTexture(texture4);
box.getShape(Box.RIGHT).setAppearance(ap4);
Appearance ap5=new Appearance();
TextureLoader loader5 = new TextureLoader("c://Users/MARIO/five.png","RGB",new Container());
Texture texture5 = loader5.getTexture();
ap5.setTexture(texture5);
box.getShape(Box.TOP).setAppearance(ap5);
Appearance ap6=new Appearance();
TextureLoader loader6 = new TextureLoader("c://Users/MARIO/six.png","RGB",new Container());
Texture texture6 = loader6.getTexture();
ap6.setTexture(texture6);
box.getShape(Box.BOTTOM).setAppearance(ap6);
tg = new TransformGroup();
tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
t3d = new Transform3D();
Vector3f v3f = new Vector3f(0.0f,0.0f,0.0f);
t3d.setTranslation(v3f);
tg.setTransform(t3d);
tg.addChild(box);
bg.addChild(tg);
su.addBranchGraph(bg);
bspin=new JButton("Spin");
bspin.addActionListener(new ButtonHandler());
add("South",bspin);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
class ButtonHandler implements ActionListener{
public void actionPerformed(ActionEvent e){
Random rand=new Random();
int temp=rand.nextInt(5)+1;
Transform3D rot = new Transform3D();
rot.rotX(Math.PI/temp);
t3d.mul(rot);
rot.rotY(Math.PI/temp);
t3d.mul(rot);
rot.rotZ(Math.PI/temp);
t3d.mul(rot);
tg.setTransform(t3d);
}
}
public static void main(String[] args){
new Dice3D();
}
}
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