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| Stereo Cube | |
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//Copyright 1999 Resplendent Technology Ltd. [email protected]
import java.applet.Applet;
import java.awt.FlowLayout;
import java.awt.GraphicsConfiguration;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.PhysicalBody;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.media.j3d.View;
import javax.vecmath.Point3d;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.behaviors.keyboard.KeyNavigatorBehavior;
import com.sun.j3d.utils.behaviors.mouse.MouseRotate;
import com.sun.j3d.utils.behaviors.mouse.MouseTranslate;
import com.sun.j3d.utils.geometry.ColorCube;
import com.sun.j3d.utils.universe.SimpleUniverse;
public class StereoCube extends Applet {
Canvas3D c1 = new Canvas3D(SimpleUniverse.getPreferredConfiguration());
Canvas3D c2 = new Canvas3D(SimpleUniverse.getPreferredConfiguration());
static MainFrame mf;
private SimpleUniverse u = null;
private BranchGroup scene = null;
public void init() {
setLayout(new FlowLayout());
GraphicsConfiguration config =
SimpleUniverse.getPreferredConfiguration();
c1.setSize(180, 180);
c1.setMonoscopicViewPolicy(View.LEFT_EYE_VIEW);
add(c1);
c2.setSize(180, 180);
c2.setMonoscopicViewPolicy(View.RIGHT_EYE_VIEW);
add(c2);
// Create a simple scene and attach it to the virtual universe
scene = createSceneGraph(0);
u = new SimpleUniverse(c1);
View view0 = u.getViewer().getView();
View view = new View();
PhysicalBody myBod = view0.getPhysicalBody();
myBod.setLeftEyePosition(new Point3d(-.006,0.0, 0.0)); // default is(-0.033, 0.0, 0.0)
myBod.setRightEyePosition(new Point3d(+.006,0.0, 0.0));
view.setPhysicalBody(myBod);
view.setPhysicalEnvironment(view0.getPhysicalEnvironment());
view.attachViewPlatform(u.getViewingPlatform().getViewPlatform());
view.addCanvas3D(c2);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
u.getViewingPlatform().setNominalViewingTransform();
u.addBranchGraph(scene);
}
public BranchGroup createSceneGraph(int i) {
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
TransformGroup objTrans = new TransformGroup();
objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
Transform3D t = new Transform3D();
TransformGroup tg = new TransformGroup(t);
tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objTrans.addChild(tg);
tg.addChild(new ColorCube(0.4));
MouseRotate behavior = new MouseRotate();
BoundingSphere bounds =
new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
behavior.setTransformGroup(tg);
objTrans.addChild(behavior);
// Create the translate behavior node
MouseTranslate behavior3 = new MouseTranslate();
behavior3.setTransformGroup(tg);
objTrans.addChild(behavior3);
behavior3.setSchedulingBounds(bounds);
KeyNavigatorBehavior keyNavBeh = new KeyNavigatorBehavior(tg);
keyNavBeh.setSchedulingBounds(new BoundingSphere(
new Point3d(),1000.0));
objTrans.addChild(keyNavBeh);
behavior.setSchedulingBounds(bounds);
objRoot.addChild(objTrans);
return objRoot;
}
public StereoCube() {
}
public void destroy() {
u.removeAllLocales();
}
public void setSize(int width, int height) {
System.out.println("setsize " + width +"," +height);
super.setSize(width, height);
int minDimension = Math.min(width/2, height);
c1.setSize((minDimension - 20),(minDimension - 20));
c2.setSize((minDimension - 20),(minDimension - 20));
if (mf != null) {
mf.appletResize(width, height);
}
validate();
}
public static void main(String[] args) {
mf = new MainFrame(new StereoCube(), 400, 200);
}
}
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