menu.java

来自「有一些还没做好请谅解不支持midp1.0」· Java 代码 · 共 57 行

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

public class Menu {
	Image img[];

	int index = 0;

	public Menu(Image img[]) {
		this.img = img;
	}

	void paint(Graphics g) {
		g.drawImage(img[0], 0, 0, 0);
		g.drawImage(img[3], 100, 134, 0);
		g.setClip(99 + index * 13, 127, 15, 66);
		g.drawImage(img[2], 100, 134, 0);
		for (int i = 0; i < 4; i++) {
			g.drawImage(img[1], 99 + index * 13, 127, 0);
		}
	}

	public void keypr(int key) {
		switch (key) {
		case Tools.LEFT_KEY:
		case Tools.FOUR_KEY:
			index--;
			if (index < 0) {
				index = 3;
			}
			break;
		case Tools.RIGHT_KEY:
		case Tools.SIX_KEY:
			index++;
			if (index > 3) {
				index = 0;
			}
			break;
		case Tools.FIRE_KEY:
		case Tools.FIVE_KEY:
			switch (index) {
			case 0:
				MyCanvas.games = Tools.GAME_LOAD;
				break;
			case 1:
				break;
			case 2:
				break;
			case 3:
				MyCanvas.games = Tools.GAME_EXIT;
				break;
			}
			break;
		}
	}
}