gamethread.java

用Java/C#开发手机程序及移动应用光盘代码。J2ME核心类及MIDlet类；基于Java开发MIDlet程序；图形处理及低级事件处理；多线程编程；即时消息传送；I/O及网络编程；数据库编程；多媒体

public class GameThread extends Thread {

	boolean myShouldPause; // 是否该暂停
	static boolean myShouldStop; //是否该停止
	boolean myAlreadyStarted; // 是否已启动

	JumpCanvas myJumpCanvas;

	GameThread(JumpCanvas canvas) {
		myJumpCanvas = canvas;
	}

	/**
	 * 开始程序.
	 */
	void go() {
		if(!myAlreadyStarted) {
			myAlreadyStarted = true;
			start();
		} else {
			myShouldPause = !myShouldPause;
		}
	}

	/**
	 * 暂停
	 */
	void pause() {
		myShouldPause = true;
	}

	/**
	 * 停止
	 */
	static void requestStop() {
		myShouldStop = true;
	}

	/**
	 * 主线程程序
	 */
	public void run() {
		// 先清除所有以前的所键 
		myJumpCanvas.flushKeys();
		myShouldStop = false;
		myShouldPause = false;
		while(true) {
			if(myShouldStop) {
				break;
			}
			if(!myShouldPause) {
				myJumpCanvas.checkKeys();
				myJumpCanvas.advance();
			}
		}
	}

}