问题遇到的现象和发生背景
问题相关代码，请勿粘贴截图
运行结果及报错内容
我的解答思路和尝试过的方法
我想要达到的结果
部分代码：
#include "mainwindow.h"
#include <QString>
#include <QDebug>
#include <QCoreApplication>
#define DIEPATH QCoreApplication::applicationDirPath().append("/res/hit.wav")
#define WINGPATH QCoreApplication::applicationDirPath().append("/res/wing.wav")
#define BGMPATH QCoreApplication::applicationDirPath().append("/res/bgm.wav")
#define POINTPATH QCoreApplication::applicationDirPath().append("/res/point.wav")
MainWindow::MainWindow(QWidget *parent) :QMainWindow(parent)
{
init();
initGame();
}
MainWindow::~MainWindow()
{
delete pipeChannels;
}
void MainWindow::paintEvent(QPaintEvent *)
{
//qDebug() << "paintEvent";
drawBack();
drawPipe();
drawBird();
}
void MainWindow::mousePressEvent(QMouseEvent * )
{
// qDebug() << "click";
//QSound::play(WINGPATH);//鸟上升时扑打翅膀的声音
birdStatus = BirdStatus::UP;
initSpeed();
}
//初始化
void MainWindow::init()
{
QSound::play(BGMPATH);
//this->move(400, 300);
this->setFixedSize(480, 640);
qDebug() << "init ";
ground = QPixmap( QCoreApplication::applicationDirPath().append("/res/ground.png")); // 使用绝对路径
if(!ground){
qDebug() << "ground is null" << endl;
}
ground = ground.scaled(20,80); // 缩放
int groundHeight = ground.height();
background = QPixmap( QCoreApplication::applicationDirPath().append("/res/background.png"));
background = background.scaled(this->width(), this->height() - groundHeight); //缩放
groundSize = this->width()/ground.width() + 1; //防止除不尽有余数，所以加1
v = new QVector<int>(groundSize);
for(int i = 0; i < groundSize; i++){
int x = i * ground.width();
(*v)[i] = x;
}
QPixmap bird( QCoreApplication::applicationDirPath().append("/res/bird.png"));
bird1 = bird.copy(0, 0, 92, 64);
bird1 = bird1.scaled(60, 42);
bird2 = bird.copy(92, 0, 92, 64);
bird2 = bird2.scaled(60, 42);
bird3 = bird.copy(92*2, 0, 92, 64);
bird3 = bird3.scaled(60, 42);
scoreLabescoreLabel = new QLabel(this);
scoreLabel->setGeometry(width()/2, 0, 50, 50);
QFont font ( "Microsoft YaHei", 20, 75); //第一个属性是字体（微软雅黑），第二个是大小，第三个是加粗（权重是75）
scoreLabel->setFont(font);
QPalette pa;
pa.setColor(QPalette::WindowText,Qt::white);
scoreLabel->setPalette(pa);
this->score = 0;
scoreLabel->setText(QString::number(this->score));
//最高分数设置
scoreLabel1 = new QLabel(this);
scoreLabel1->setGeometry(0, this->height() - 50, 250, 50);
scoreLabel1->setFont(font);
scoreLabel1->setPalette(pa);
scoreLabel1->setText("best score " + QString::number(best.score));
startButton = new QPushButton(this);
font = QFont( "Microsoft YaHei", 25, 75); //第一个属性是字体（微软雅黑），第二个是大小，第三个是加粗（权重是75）
startButton->setFont(font);
startButton->setPalette(pa);
startButton->setText(QString("start"));
startButton->setGeometry(width()/2 -50, height()/2 -30, 100, 60);
// startButton->hide();
timer = new QTimer(this);
//事件
connect(timer,SIGNAL(timeout()),this,SLOT(loopPaint()));
connect(startButton,SIGNAL(clicked()),this,SLOT(slotStartGame()));
}
//初始化游戏相关
void MainWindow::initGame()
{
best.init();
birdX = this->width() / 3;
birdY = this->height() / 2 - bird1.height();
this->score = 0;
scoreLabel->setText(QString::number(this->score));
scoreLabel1->setText("best score " + QString::number(best.score));
uint seed_x = static_cast<uint>(clock());
int l = GlobalUtils::getRandomNum(seed_x,200); //获取随机数
if(pipeChannels == nullptr){
pipeChannels = new QVector<PipeChannel*>(2); //创建两个通道
}else {
delete (*pipeChannels)[0];
delete (*pipeChannels)[1];
}
(*pipeChannels)[0] = new PipeChannel(height(), 100+l, width()+100, ground.height(), this);//窗口高度 底下管道高度 x位置横坐标 地面高度 objet parent
(*pipeChannels)[1] = new PipeChannel(height(), 150 +l, 2 * width() + l, ground.height(), this);
}
//初始化速度
void MainWindow::initSpeed()
{
birdDownSpeed = 2.0;
birdUpSpeed = 5.0;
}
//开始游戏
void MainWindow::startGame()
{
QSound::play(POINTPATH);
startButton->hide();
initGame();
initSpeed();
gameStatus = GameStatus::RUNNING;
birdStatus = BirdStatus::DOWN;
timer->start(16);
}
//停止游戏
void MainWindow::stopGame()
{
timer->stop();
gameStatus = GameStatus::STOPING;
startButton->show();
if(score > best.score)
{
best.score = score;
best.save();
}
}
//绘制背景
void MainWindow::drawBack()
{
QPainter painter(this);
int height = ground.height();
int pos;
// 绘制背景图
painter.drawPixmap(0,0, background);
// 绘制地面
for(int i = 0; i < groundSize; i++)
{
pos = (*v)[i];
painter.drawPixmap(pos,this->height() - height, ground);//绘制一个地面图像
// 改变坐标 移动起来
pos -= moveSpeed;
if(pos <= -ground.width()){
pos = (groundSize-1) * ground.width();
}
(*v)[i] = pos;
}
}
//绘制bird
void MainWindow::drawBird()
{
QPainter painter(this);
QPixmap bird = bird1;
if(gameStatus == GameStatus::RUNNING){
//绘制哪一个 (动画效果)
if(birdNo < birdNoMax/3){
bird = bird1;
}else if(birdNo < birdNoMax/3 * 2){
bird = bird2;
}else{
bird = bird3;
}
birdNo++;
if(birdNo > birdNoMax){
birdNo = 1;
}
}
// 小鸟下降
if(birdStatus == BirdStatus::DOWN){
birdY += birdDownSpeed;
birdDownSpeed+=0.1;
//matrix.rotate(1); //下降的同时旋转
//bird = bird.transformed(matrix, Qt::SmoothTransformation);
}
// 判断是否碰撞
if(isCrush()){
QSound::play(DIEPATH);
stopGame();
}
// 上升
if(birdStatus == BirdStatus::UP){
birdY -= birdUpSpeed;
birdUpSpeed -= 0.2;
//matrix.rotate(-1);
//bird = bird.transformed(matrix, Qt::SmoothTransformation);
