MouseRotate2App renders a single, interactively rotatable cube
/*
* @(#)MouseRotate2App.java 1.0 99/03/25 11:42:40
*
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import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Frame;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.Vector3f;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.behaviors.mouse.MouseRotate;
import com.sun.j3d.utils.geometry.ColorCube;
import com.sun.j3d.utils.universe.SimpleUniverse;
// MouseRotate2App renders a single, interactively rotatable cube.
public class MouseRotate2App extends Applet {
public BranchGroup createSceneGraph() {
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
TransformGroup objRotate = null;
MouseRotate myMouseRotate = null;
Transform3D transform = new Transform3D();
// create ColorCube and MouseRotate behvaior objects
transform.setTranslation(new Vector3f(-0.6f, 0.0f, -0.6f));
objRotate = new TransformGroup(transform);
objRotate.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objRotate.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
objRoot.addChild(objRotate);
objRotate.addChild(new ColorCube(0.4));
myMouseRotate = new MouseRotate();
myMouseRotate.setTransformGroup(objRotate);
myMouseRotate.setSchedulingBounds(new BoundingSphere());
objRoot.addChild(myMouseRotate);
// create ColorCube and MouseRotate behvaior objects
transform.setTranslation(new Vector3f(0.6f, 0.0f, -0.6f));
objRotate = new TransformGroup(transform);
objRotate.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objRotate.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
objRoot.addChild(objRotate);
objRotate.addChild(new ColorCube(0.4));
myMouseRotate = new MouseRotate();
myMouseRotate.setTransformGroup(objRotate);
myMouseRotate.setSchedulingBounds(new BoundingSphere());
objRoot.addChild(myMouseRotate);
// Let Java 3D perform optimizations on this scene graph.
objRoot.compile();
return objRoot;
} // end of CreateSceneGraph method of MouseRotate2App
// Create a simple scene and attach it to the virtual universe
public MouseRotate2App() {
setLayout(new BorderLayout());
Canvas3D canvas3D = new Canvas3D(null);
add("Center", canvas3D);
BranchGroup scene = createSceneGraph();
// SimpleUniverse is a Convenience Utility class
SimpleUniverse simpleU = new SimpleUniverse(canvas3D);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
simpleU.getViewingPlatform().setNominalViewingTransform();
simpleU.addBranchGraph(scene);
} // end of MouseRotate2App (constructor)
// The following allows this to be run as an application
// as well as an applet
public static void main(String[] args) {
System.out
.print("MouseRotate2App.java \n- a demonstration of using the MouseRotate ");
System.out
.println("utility behavior class to provide interaction in a Java 3D scene.");
System.out
.println("Hold the mouse button while moving the mouse to make the cube rotate.");
System.out
.println("This is a simple example progam from The Java 3D API Tutorial.");
System.out.println("The Java 3D Tutorial is available on the web at:");
System.out.println("http://www.sun.com/desktop/java3d/collateral");
Frame frame = new MainFrame(new MouseRotate2App(), 256, 256);
} // end of main (method of MouseRotate2App)
} // end of class MouseRotate2App
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