java3d滑鼠鍵盤聯動問題

Main.java如下 

package keyMouse;





import com.sun.j3d.utils.universe.*;

import com.sun.j3d.utils.applet.MainFrame;

import com.sun.j3d.utils.geometry.Box;

import javax.media.j3d.*;

import javax.vecmath.*;

import java.applet.Applet;

import java.awt.*;



/*

 * Simple Java 3D example to display a rotating color cube.

 */

public class Main extends Applet {



	// Constructor

	public Main() {

		// Setup a SimpleUniverse by referencing a Canvas3D

		setLayout(new BorderLayout());

		GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();

		Canvas3D c = new Canvas3D(config);

		add("Center", c);



		// 設定觀察點

		Viewer viewer = new Viewer(c);

		Vector3d viewPoint = new Vector3d(0.0, 1, 10.0);

		Transform3D t = new Transform3D();

		t.set(viewPoint);

		ViewingPlatform v = new ViewingPlatform();

		v.getViewPlatformTransform().setTransform(t); 



		BranchGroup scene = createSceneGraph();

		SimpleUniverse u = new SimpleUniverse(v, viewer); // 以3d畫布實體c創建一個區域單一的查看平臺和一個觀察者物件

		u.getViewingPlatform();

		u.addBranchGraph(scene);



	}



	// Create the content branch

	public BranchGroup createSceneGraph() {

		// Create the root node of the content branch

		BranchGroup objRoot = new BranchGroup();



		// Create the TransformGroup node, which is writable to support

		// animation, and add it under the root

		Transform3D t3d = new Transform3D();

		t3d.setScale(0.1);



		Appearance app = new Appearance();

		Material material = new Material();

		material.setEmissiveColor(1f, 0f, 0f);

		app.setMaterial(material);

		Box cubeBox = new Box(5f, .1f, 5f, app); // (長，寬，高，外表)

//		group.addChild(cubeBox);



		TransformGroup objScale = new TransformGroup(t3d);

		objScale.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

		objScale.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

		objScale.addChild(cubeBox);



		BoundingSphere bound = new BoundingSphere(new Point3d(1.0, 2.0, 3.0), 1.0);



		// 定義事件物件

		Key myBehavior = new Key(objScale, objRoot, bound);

		myBehavior.setSchedulingBounds(bound);

		objScale.addChild(myBehavior);



		//滑鼠旋轉

//		MouseRotate mouseRotate = new MouseRotate();

//		mouseRotate.setTransformGroup(objScale);

//		objRoot.addChild(mouseRotate);

//		mouseRotate.setSchedulingBounds(bound);





		// Compile to perform optimizations on this content branch.

		objRoot.addChild(objScale);

		objRoot.compile();

		return objRoot;

	}



	// Entry main method to invoke the constructor on the eventdispatcher thread.

	public static void main(String args[]) {



//		java.awt.EventQueue.invokeLater(new Runnable() {

//			public void run() {

//				KeyMoveT2 liFangTi = new KeyMoveT2();

//			}

//		});

		new MainFrame(new Main(), 800, 800);



	}



}

package keyMouse;



import java.awt.AWTEvent;

import java.awt.event.KeyEvent;

import java.util.Enumeration;

import javax.media.j3d.Behavior;

import javax.media.j3d.BoundingSphere;

import javax.media.j3d.BranchGroup;

import javax.media.j3d.Transform3D;

import javax.media.j3d.TransformGroup;

import javax.media.j3d.WakeupCriterion;

import javax.media.j3d.WakeupOnAWTEvent;

import javax.vecmath.Vector3f;

import com.sun.j3d.utils.behaviors.mouse.MouseRotate;



class Key extends Behavior {

	// 設定相關物件

	private TransformGroup targetTG;

	private Transform3D transform = new Transform3D();

	private float x, y, z;



	public Key(TransformGroup targetTG, BranchGroup BG, BoundingSphere BS) {

		this.targetTG = targetTG;

		MouseRotate mouseRotate = new MouseRotate();

		mouseRotate.setTransformGroup(targetTG);

		BG.addChild(mouseRotate);

		mouseRotate.setSchedulingBounds(BS);

	}



	@Override

	public void initialize() {

		wakeupOn(new WakeupOnAWTEvent(KeyEvent.KEY_PRESSED));

	}



	@Override

	public void processStimulus(Enumeration criteria) {

		WakeupCriterion wakeup;

		AWTEvent[] events;

		Vector3f position = new Vector3f();

		

		// 獲取當前事件，判斷是否是鍵盤事件

		wakeup = (WakeupCriterion) criteria.nextElement();

		if (wakeup instanceof WakeupOnAWTEvent) {

			events = ((WakeupOnAWTEvent) wakeup).getAWTEvent();

			// 轉化為鍵盤事件

			KeyEvent keyEvent = (KeyEvent) events[0];

			transform.get(position);

			x = position.x; y = position.y; z = position.z;

			// 判斷是不是左鍵，是則左移左旋轉

			if (keyEvent.getKeyCode() == KeyEvent.VK_A) {

				x += 0.1;

				transform.setTranslation(new Vector3f(x, y, z));

				targetTG.setTransform(transform);

			}

			// 判斷是不是右鍵，是則右移右旋轉

			else if (keyEvent.getKeyCode() == KeyEvent.VK_D) {

				x -= 0.1;

				transform.setTranslation(new Vector3f(x, y, z));

				targetTG.setTransform(transform);

			}

			// 判斷是不是前進鍵

			else if (keyEvent.getKeyCode() == KeyEvent.VK_W) {

				z += 0.1;

				transform.setTranslation(new Vector3f(x, y, z));

				targetTG.setTransform(transform);

			}

			// 判斷是不是后退

			else if (keyEvent.getKeyCode() == KeyEvent.VK_S) {

				z -= 0.1;

				transform.setTranslation(new Vector3f(x, y, z));

				targetTG.setTransform(transform);

			}

			// 判斷是不是上鍵，是則上移上旋轉

			else if (keyEvent.getKeyCode() == KeyEvent.VK_SPACE) {

				y -= 0.1;

				transform.setTranslation(new Vector3f(x, y, z));

				targetTG.setTransform(transform);

			}

			// 判斷是不是下鍵，是則下移下旋轉

			else if (keyEvent.getKeyCode() == KeyEvent.VK_C) {

				y += 0.1;

				transform.setTranslation(new Vector3f(x, y, z));

				targetTG.setTransform(transform);



			}

		}



		wakeupOn(new WakeupOnAWTEvent(KeyEvent.KEY_PRESSED));



	}



}

uj5u.com熱心網友回復：

標籤：Java SE

上一篇：java 初學 如果輸入一行資料，如何分離數字和符號

下一篇：各位大神看一下，實在找不到錯在哪里 HBASE啟動錯誤