public class Bee extends FuPlane implements Enemy{
    private int xspeed = 4;
    private int yspeed = 2;

    private int score = 5;
    public Bee() {
        blood = 1;
        img = Main.bee;
        height = img.getHeight();
        width = img.getWidth();
        x = (int) (Math.random() * 400 - img.getWidth());
        y = -img.getHeight();
    }
    public int getScore(){
        return score;
    }
    public void setScore(int score){
        this.score =score;
    }
    @Override
    void move() {
        /*
        蜜蜂x，y坐标增大，当x碰到边界，x反向
         */
        x += xspeed;
        y += yspeed;
        if (x >= Main.WIDTH - img.getWidth()) {
            xspeed = -4;
        }
        if (x <= 0) {
            xspeed = 4;
        }
    }
}