bullet2.cpp

#include "bullet2.h"
#include "bullet.h"
#include "tower.h"
#include "mainwindow.h"
#include "utility.h"
#include "enemy.h"
#include <QDebug>
#include <QPoint>
#include <QPainter>
#include <QString>
#include <QPropertyAnimation>//实现动画效果


bullet2::bullet2():
    bullet()
{
    change(":/images/image/bullet2.jpg");
}
bullet2::bullet2(QPoint startpos,QPoint targetpos,int damage,enemy* targetenemy,MainWindow* game,QString path):
    bullet(startpos,targetpos,damage,targetenemy,game,path)
{
     change(":/images/image/bullet2.jpg");
}
void bullet2::move()
{
    int duration=300;//子弹的飞行时间
    QPropertyAnimation* animation=new QPropertyAnimation(this,"m_currentpos");
    animation->setDuration(duration);//设置持续时间
    animation->setStartValue(getstartpos());//设置起始位置
    animation->setEndValue(gettargetpos());//设置目标位置
    connect(animation,SIGNAL(finished()),this,SLOT(hittarget()));//链接信号槽，击中敌人后，子弹动态运动结束
    animation->start();
}
void bullet2::hittarget()
{
    qDebug("666\n");
    if(this->getgame()->getenemylist().indexOf(gettargetenemy())!=-1)
    {
        this->gettargetenemy()->enemy::getdamaged(bullet::getdamage());

    }
    this->getgame()->removebullet(this);
}