Java MouseZoom类代码示例

import com.sun.j3d.utils.behaviors.mouse.MouseZoom; //导入依赖的package包/类
private TransformGroup getMouseTransform() {
    MouseRotate mouseRotate = new MouseRotate();
    MouseZoom mouseZoom = new MouseZoom();
    MouseTranslate mouseTranslate = new MouseTranslate();

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    mouseRotate.setSchedulingBounds(bounds);
    mouseZoom.setSchedulingBounds(bounds);
    mouseTranslate.setSchedulingBounds(bounds);

    TransformGroup mouseTransform = new TransformGroup();
    mouseTransform.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    mouseTransform.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    mouseRotate.setTransformGroup(mouseTransform);
    mouseTransform.addChild(mouseRotate);
    mouseZoom.setTransformGroup(mouseTransform);
    mouseTransform.addChild(mouseZoom);
    mouseTranslate.setTransformGroup(mouseTransform);
    mouseTransform.addChild(mouseTranslate);

    return mouseTransform;
}
 

import com.sun.j3d.utils.behaviors.mouse.MouseZoom; //导入依赖的package包/类
/**
 * Create a TransformGroup where it is possible to navigate through using the mouse.
 * Move
 * <li>+ Left Click : Rotate</li>
 * <li>+ Right Click: Translate</li>
 * <li>+ Left Click + Right Click: Zoom In/Out</li>
 *
 * MouseWheel:
 * <li>Zoom In/out</li>
 * @param root First Branch Group of the 3D scene
 * @param bounds bounds of the scene
 * @return return a Transform Group when navigation with mouse is possible
 */
private TransformGroup enableMouseNavigation(BranchGroup root, BoundingSphere bounds) {
    TransformGroup manipulator = new TransformGroup();
    manipulator.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    // Rotation a la souris
    MouseRotate rotateBehavior = new MouseRotate();
    rotateBehavior.setTransformGroup(manipulator);
    rotateBehavior.setSchedulingBounds(bounds);
    manipulator.addChild(rotateBehavior);

    // Translation
    MouseTranslate translateBehavior = new MouseTranslate();
    translateBehavior.setTransformGroup(manipulator);
    translateBehavior.setSchedulingBounds(bounds);
    manipulator.addChild(translateBehavior);

    // Zoom Molette
    MouseWheelZoom wheelZoomBehavior = new MouseWheelZoom();
    wheelZoomBehavior.setTransformGroup(manipulator);
    wheelZoomBehavior.setSchedulingBounds(bounds);
    manipulator.addChild(wheelZoomBehavior);

    // Zoom Souris
    MouseZoom zoomBehavior = new MouseZoom();
    zoomBehavior.setTransformGroup(manipulator);
    zoomBehavior.setSchedulingBounds(bounds);
    manipulator.addChild(zoomBehavior);

    root.addChild(manipulator);
    return manipulator;
}
 

import com.sun.j3d.utils.behaviors.mouse.MouseZoom; //导入依赖的package包/类
/**
 * Setup the navigation system.  We use a simple examine behavior
 */
private void setupNavigation() {

    sceneRoot = new BranchGroup();
    sceneRoot.setCapability(TransformGroup.ALLOW_CHILDREN_EXTEND);

    examineGroup = new TransformGroup();
    examineGroup.setCapability(TransformGroup.ALLOW_CHILDREN_EXTEND);
    examineGroup.setCapability(TransformGroup.ALLOW_CHILDREN_READ);
    examineGroup.setCapability(TransformGroup.ALLOW_CHILDREN_WRITE);
    examineGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    examineGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    examineGroup.setCapability(TransformGroup.ALLOW_LOCAL_TO_VWORLD_READ);
    sceneRoot.addChild(examineGroup);

    BoundingSphere behaviorBounds = new BoundingSphere(new Point3d(),
        Double.MAX_VALUE);

    MouseRotate mr = new MouseRotate();
    mr.setTransformGroup(examineGroup);
    mr.setSchedulingBounds(behaviorBounds);
    sceneRoot.addChild(mr);

    MouseTranslate mt = new MouseTranslate();
    mt.setTransformGroup(examineGroup);
    mt.setSchedulingBounds(behaviorBounds);
    sceneRoot.addChild(mt);

    MouseZoom mz = new MouseZoom();
    mz.setTransformGroup(examineGroup);
    mz.setSchedulingBounds(behaviorBounds);
    sceneRoot.addChild(mz);

    universe.addBranchGraph(sceneRoot);
}
 

import com.sun.j3d.utils.behaviors.mouse.MouseZoom; //导入依赖的package包/类
private void addMouseZoom(TransformGroup transformGroup) {
    MouseZoom mouseZoom = new MouseZoom();
    mouseZoom.setTransformGroup(transformGroup);
    transformGroup.addChild(mouseZoom);
    mouseZoom.setSchedulingBounds(BOUNDS);
}
 

import com.sun.j3d.utils.behaviors.mouse.MouseZoom; //导入依赖的package包/类
/**
   * Initialisiert eine Welt
   * @param w die Welt
   */
  protected void init(World w) {    	
  	onScreenCanvas = new Canvas3D(getBestConfigurationOnSameDevice() /*GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getBestConfiguration(new GraphicsConfigTemplate3D())*/, false);
  	offScreenCanvas = new Canvas3D(getBestConfigurationOnSameDevice() /*GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getBestConfiguration(new GraphicsConfigTemplate3D())*/, true);
  	add(onScreenCanvas, MODEL);
  	universe = new SimpleUniverse(onScreenCanvas);
      universe.getViewer().getView().addCanvas3D(offScreenCanvas);
  	initPerspective(w);
  	universe.addBranchGraph(w.getScene());

  	/* Aktivieren von:
  	 * Ziehen/linke Maustaste = Ansicht rotieren
  	 * Ziehen/rechte Maustaste = Ansicht verschieben
  	 * Ziehen/mittlere Maustaste = Ansicht zoomen
  	 * Mausrad = Ansicht zoomen
  	 */
  	universe.addBranchGraph(new BranchGroup() {
  		{
  			/*
		 * Syntaxhinweis zu den doppelten Schweifklammern: Es handelt
		 * sich um "instance initializer", die den Code kompakter machen
		 * sollen -- siehe JLS §8.6 und
		 * http://www.c2.com/cgi/wiki?DoubleBraceInitialization
		 */
  			addMouseBehavior(new MouseRotate(MouseBehavior.INVERT_INPUT)
  				{{ setFactor(0.001); }});
  			addMouseBehavior(new MouseTranslate(MouseBehavior.INVERT_INPUT)
  				{{ setFactor(0.01); }});
  			addMouseBehavior(new MouseZoom()
  				{{ setFactor(0.035); }});
  			addMouseBehavior(new MouseWheelZoom()
  				{{ setFactor(0.3); }});
  		}

  		private void addMouseBehavior(MouseBehavior b) {
  			b.setTransformGroup(
  				universe.getViewingPlatform().getViewPlatformTransform());
  			b.setSchedulingBounds(new BoundingSphere(new Point3d(), 1000)); //LODO Koennte besser sein: Was, wenn irgendne Welt mal > 1000 ist?
  			addChild(b);
  		}
  	});
w.addViewPlatform(universe.getViewingPlatform().getViewPlatform());

((CardLayout)getLayout()).show(this, MODEL);
  }
 

import com.sun.j3d.utils.behaviors.mouse.MouseZoom; //导入依赖的package包/类
private BranchGroup createSceneGraph() {
	BranchGroup objRoot = new BranchGroup();
	
	//Set up node for rotating the surface based on mouse drags
	TransformGroup objTransform = new TransformGroup();
	objTransform.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
	objTransform.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
	
	//Set up node for translating and scaling the surface
	TransformGroup surfaceTranslate = new TransformGroup();
	TransformGroup surfaceScale = new TransformGroup();
	surfaceTranslate.setBoundsAutoCompute(true);
	surfaceScale.setBoundsAutoCompute(true);
	
	surfaceTranslate.addChild(new Surface(_organism, 32, 32));
	BoundingSphere bSphere = new BoundingSphere(surfaceTranslate.getBounds());
	Point3d center = new Point3d();
	bSphere.getCenter(center);
	double radius = bSphere.getRadius();
	
	Matrix3d rotate = new Matrix3d();
	rotate.setIdentity();
	Vector3d translate = new Vector3d(center);
	translate.negate();
	double scale = 1/radius;
	
	surfaceTranslate.setTransform(new Transform3D(rotate,translate,1.0));
	surfaceScale.setTransform(new Transform3D(rotate,new Vector3d(),scale));
	surfaceScale.addChild(surfaceTranslate);
	
	//random rotation
	Transform3D rotX = new Transform3D();
	Transform3D rotY = new Transform3D();
	Transform3D rotZ = new Transform3D();
	rotX.rotX(2*Math.PI*Math.random());
	rotY.rotY(2*Math.PI*Math.random());
	rotZ.rotZ(2*Math.PI*Math.random());
	
	rotX.mul(rotY);
	rotX.mul(rotZ);
	
	TransformGroup randRot = new TransformGroup(rotX);
	randRot.addChild(surfaceScale);
	
	//Add nodes to root tree
	objTransform.addChild(randRot);
	objRoot.addChild(objTransform);
	
	//Set up lights
	DirectionalLight dirLight = 
		new DirectionalLight(new Color3f(.9f,.9f,.9f),new Vector3f(0,0,-1));
	dirLight.setInfluencingBounds(surfaceScale.getBounds());
	objRoot.addChild(dirLight);
	
	AmbientLight ambLight = new AmbientLight(new Color3f(.3f,.3f,.3f));
	ambLight.setInfluencingBounds(surfaceScale.getBounds());
	objRoot.addChild(ambLight);
	
	//Set up mouse interactions
	MouseRotate myMouseRotate = new MouseRotate();
	myMouseRotate.setTransformGroup(objTransform);
	myMouseRotate.setSchedulingBounds(surfaceScale.getBounds());
	objRoot.addChild(myMouseRotate);
    
	MouseZoom myMouseZoom = new MouseZoom();
	myMouseZoom.setTransformGroup(objTransform);
	myMouseZoom.setSchedulingBounds(surfaceScale.getBounds());
	objRoot.addChild(myMouseZoom);
	
	MouseTranslate myMouseTranslate = new MouseTranslate();
	myMouseTranslate.setTransformGroup(objTransform);
	myMouseTranslate.setSchedulingBounds(surfaceScale.getBounds());
	objRoot.addChild(myMouseTranslate);
	
    objRoot.compile();
    
	return objRoot;
}