code:
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import com.sun.j3d.utils.behaviors.keyboard.*;
import com.sun.j3d.utils.behaviors.mouse.*;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
public class Movement{
private BoundingSphere boundsSphere;
private double bounds = 10000;
private TransformGroup vpTrans = null;
private MouseRotate mRotate;
private MouseTranslate mTranslate;
private MouseZoom mZoom;
private KeyNavigatorBehavior kBehavior;
public Movement(SimpleUniverse su, TransformGroup TG){
boundsSphere = new BoundingSphere(new Point3d(), bounds);
Transform3D T3D = new Transform3D();
Vector3f translate = new Vector3f();
vpTrans = su.getViewingPlatform().getViewPlatformTransform
();
translate.set( 0.0f, 0.0f, 69f);
// Observers position
T3D.setTranslation(translate);
vpTrans.setTransform(T3D);
mRotate = new MouseRotate(MouseBehavior.INVERT_INPUT);
mRotate.setTransformGroup(vpTrans);
mRotate.setSchedulingBounds(boundsSphere);
mTranslate = new MouseTranslate();
mTranslate.setTransformGroup(vpTrans);
mTranslate.setSchedulingBounds(boundsSphere);
mZoom = new MouseZoom(MouseBehavior.INVERT_INPUT);
mZoom.setFactor(1);
mZoom.setTransformGroup(vpTrans);
mZoom.setSchedulingBounds(boundsSphere);
kBehavior = new KeyNavigatorBehavior(vpTrans);
kBehavior.setSchedulingBounds(boundsSphere);
}
public MouseRotate getMouseRotate(){
return mRotate; }
public MouseTranslate getMouseTranslate(){
return mTranslate; }
public MouseZoom getMouseZoom(){
return mZoom; }
public KeyNavigatorBehavior getKeyNavigator(){
return kBehavior; }
}
import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.GraphicsConfiguration;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.*;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import java.awt.event.*;
import java.awt.AWTEvent;
import java.util.Enumeration;
import com.sun.j3d.utils.image.TextureLoader;
public class Ray3dApp extends Applet{
Appearance createTwistAppearance(){
Appearance twistAppear = new Appearance();
TextureLoader loader = new TextureLoader("TEST.jpg", this);
ImageComponent2D image = loader.getImage();
Texture2D texture = new Texture2D(Texture.BASE_LEVEL
//Texture.ALLOW_LOD_RANGE_READ
//| Texture.ALLOW_LOD_RANGE_WRITE
, Texture.RGBA
, image.getWidth()
, image.getHeight());
texture.setImage(0,image);
texture.setEnable(true);
twistAppear.setTexture(texture);
twistAppear.setTransparencyAttributes(
new TransparencyAttributes
(TransparencyAttributes.FASTEST, 0.1f));
// ALTERNATIVE WITH MIPMAP
/*final int SMALLEST = 1;
int imageWidth, imageHeight, imageLevel;
String filename = "earth0.jpg";
System.out.println("attempt to load texture from file: "+filename);
TextureLoader loader = new TextureLoader(filename, this);
ImageComponent2D image = loader.getImage();
if(image == null) {
System.out.println("load failed for texture: "+filename);
}
imageWidth = image.getWidth();
imageHeight = image.getHeight();
Texture2D texture = new Texture2D
(Texture.MULTI_LEVEL_MIPMAP
//| Texture.ALLOW_MIPMAP_MODE_READ
//| Texture.ALLOW_LOD_RANGE_WRITE
//Texture.BASE_LEVEL
//| Texture.ALLOW_ENABLE_READ
//| Texture.ALLOW_ENABLE_WRITE
//| Texture.ALLOW_MIPMAP_MODE_READ
//| Texture.ALLOW_IMAGE_READ
,Texture.RGBA,
imageWidth, imageHeight);
imageLevel = 0;
System.out.println("set image level: "+imageLevel+"
width: "+imageWidth
+" height: "+imageHeight);
texture.setImage(imageLevel, image);
while (imageWidth > SMALLEST || imageWidth > SMALLEST){
imageLevel++;
if (imageWidth > SMALLEST) imageWidth /= 2;
if (imageHeight > SMALLEST) imageHeight /= 2;
System.out.print("load image
level: "+imageLevel+" width: "+imageWidth
+"
height: "+imageHeight+" :: ");
//filename = "earth"+(imageLevel+4)+".jpg";
filename = "earth"+imageLevel+".jpg";
System.out.print(filename + " ... ");
loader = new TextureLoader(filename, this);
image = loader.getImage();
System.out.println("set image");
texture.setImage(imageLevel, image);
}
texture.setMagFilter(Texture.BASE_LEVEL_POINT);
texture.setMinFilter(Texture.MULTI_LEVEL_POINT);
twistAppear.setTexture(texture);
//TextureAttributes tAtt = new TextureAttributes();
//tAtt.setCapability(TextureAttributes.ALLOW_TRANSFORM_WRITE);
//twistAppear.setTextureAttributes(tAtt);
twistAppear.setTransparencyAttributes(
new TransparencyAttributes
(TransparencyAttributes.FASTEST, 0.1f));
//texture.setEnable(true);
*/
//END OF MIPMAP
return twistAppear;
}
//
public BranchGroup createSceneGraph(SimpleUniverse su) {
BranchGroup objRoot = new BranchGroup();
Appearance app = new Appearance();
BoundingSphere bounds = new BoundingSphere(new Point3d
(),1000);
TransformGroup TG = new TransformGroup();
TG.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
TG.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
//TG.setBounds(new BoundingSphere(new Point3d(),200));
objRoot.addChild(TG);
Appearance appear = createTwistAppearance();
Sphere earth = new Sphere
(63.78137f,Primitive.GENERATE_NORMALS |
Primitive.GENERATE_TEXTURE_COORDS |
Primitive.GEOMETRY_NOT_SHARED,200, appear);
//objRoot.addChild(earth);
Movement movement = new Movement(su,TG);
/* Alpha rotationAlpha = new Alpha(-1, 16000);
RotationInterpolator rotator =
new RotationInterpolator(rotationAlpha, TG);
BoundingSphere mbounds = new BoundingSphere(new
Point3d(),637.8137f);
rotator.setSchedulingBounds(mbounds);
TG.addChild(rotator);
*/
TG.addChild(earth);
objRoot.addChild(movement.getMouseRotate());
objRoot.addChild(movement.getMouseTranslate());
objRoot.addChild(movement.getMouseZoom());
objRoot.addChild(movement.getKeyNavigator());
Background background = new Background(1.0f, 1.0f, 1.0f);
background.setApplicationBounds(bounds);
objRoot.addChild(background);
objRoot.compile();
return objRoot;
}
public Ray3dApp(){
setLayout(new BorderLayout());
GraphicsConfiguration gConfig =
SimpleUniverse.getPreferredConfiguration();
Canvas3D canvas3D = new Canvas3D(gConfig);
add("Center",canvas3D);
canvas3D.setStereoEnable(false);
SimpleUniverse sUniverse = new SimpleUniverse(canvas3D);
sUniverse.getViewingPlatform().setNominalViewingTransform
();
//sUniverse.setActivationRadius(40);
BranchGroup scene = createSceneGraph(sUniverse);
sUniverse.addBranchGraph(scene);
}
public static void main(String[] args) {
//Frame frame = new MainFrame(new Ray3dApp(), 2048,1024 );
Frame frame = new MainFrame(new Ray3dApp(), 512,512 );
}
}
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