gamemenu.java

来自「用J2ME实现的战棋类小游戏DEMO,寻路用A星算法,因为时间关系物品使用功能请」· Java 代码 · 共 74 行

import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;

import midp20.GameTools;

public class GameMenu {

	Image[] pic;

	Image img_res;
    Image imgtitle;
	private int times = 0;

	public static final int GAMESTART = 0;

	public static final int GAMECONTINUE = 1;

	public static final int GAMEOPTION = 2;

	public static final int GAMEHELP = 3;

	public static final int GAMEABOUT = 4;

	public static final int GAMEEXIT = 5;

	private int menuIndex = 0;

	public GameMenu() {
		pic = new Image[7];
		Graphics bg;
		img_res = GameTools.createImg("/title.png");
		imgtitle=GameTools.createImg("/start.png");
		for (int i = 0; i < 7; i++) {
			pic[i] = Image.createImage(53, 13);
			bg = pic[i].getGraphics();
			bg.drawImage(img_res, 0, 0 - 13 * i, 0);
		}

	}

	public int getMenuIndex() {
		return menuIndex;
	}

	public void menuLeft() {
		times++;
		if (times != 3)
			return;
		times = 0;
		if (menuIndex > 0)
			menuIndex--;
		else
			menuIndex = 6;
	}

	public void menuRight() {
		times++;
		if (times != 3)
			return;
		times = 0;
		if (menuIndex < 6)
			menuIndex++;
		else
			menuIndex = 0;
	}

	public void renderMenu(Graphics g) {
	    g.drawImage(imgtitle, 0, -15, 0);
		g.drawImage(pic[menuIndex], 65, 150, 0);
	//	g.setClip(100, 200, 53, 13);
	//	g.drawImage(img_res, 100, 200 - 13 * menuIndex, 0);
	}
}