heroplane.cpp

#include "heroplane.h"
#include "config.h"

HeroPlane::HeroPlane()
{
    //初始化加载飞机图片资源
    m_Plane.load(HERO_PATH);

    //初始化飞机坐标
    m_X = (GAME_WIDTH - m_Plane.width())*0.5;
    m_Y = GAME_HEIGHT - m_Plane.height()-20;

    //初始化矩形边框
    m_Rect.setWidth(m_Plane.width());
    m_Rect.setHeight(m_Plane.height());
    m_Rect.moveTo(m_X,m_Y);

}

void HeroPlane::shoot()
{
    //累加时间间隔记录变量
    m_recorder++;

    //如果记录的数字，未达到发射子弹时间间隔，直接return不发射子弹
    if(m_recorder < BULLET_INTERVAL)
    {
        return;
    }

    //达到发射时间
    m_recorder=0;

    //发射子弹
    for(int i = 0;i<BULLET_NUM;i++)
    {
        //如果是空闲的子弹，进行发射
        if(m_bullets[i].m_Free)
        {
            //将空闲状态改为假
            m_bullets[i].m_Free=false;
            //设置子弹坐标
            m_bullets[i].m_X=m_X + m_Rect.width()*0.5 -10;
            m_bullets[i].m_Y=m_Y-25;
            break;

        }
    }

}

void HeroPlane::setPosition(int x, int y)
{
    m_X = x;
    m_Y = y;
    m_Rect.moveTo(m_X,m_Y);

}