herobullet.java~5~

这个是最早期的一个飞行射击游戏 简单实现了地图滚动 子弹碰撞 与 UI等

package newgame;

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

public class HeroBullet extends Base {


    int speedx, speedy; //速度
    Image img;
    Image shadow;
    int frameWidth, frameHeight;
    Tools tool;
    boolean visble; //可见不可见
    int x, y; //坐标
    int type; //类型
    Canvas1 mc;
    final int hero1_1 = 1;
     final int hero1_2 = 4;
    final int hero2_1= 2;
    final int hero3_1= 3;
    int frameCntX; //子弹图片X指针
    int frameCntY; //子弹图片Y指针

    public HeroBullet(Canvas1 mc, int type) {

        this.mc = mc;
         tool = new Tools(this.mc);
        this.type = type;
        switch (type) {
        case hero1_1:
            img = tool.getImage("/H1_bullet.png");
            break;
        case hero2_1:
               img = tool.getImage("/H2_bullet.png");
            break;
        case hero3_1:
               img = tool.getImage("/H3_bullet.png");
            break;
        }

    }


    public void setPosition(int x, int y) {
        this.x = x;
        this.y = y;
        switch (type) {
        case hero1_1:

            speedy = -7;
            break;
        case hero2_1:
            break;
        case hero3_1:
            break;
        }
        this.setVisble(true);

    }

    public void move() {
        switch (type) {
        case hero1_1:
            this.y += speedy;
            break;
        case hero2_1:
            break;
        case hero3_1:
            break;
        }

    }

    public void paint(Graphics g) {
        if (this.isVisble()) {

          tool.drawPartImage(g,img,this.mc.hero.x+3+x,this.mc.hero.y-5+y,frameCntX*15,frameCntY*24,15,24);

        }

    }

    public void setVisble(boolean flag) {
        this.visble = flag;
    }

    public boolean isVisble() {
        return this.visble;
    }

}