基于Qt开发的植物大战僵尸游戏源码（高分C++程序设计期末课程设计）.zip

#include "card.h" #include <QDebug> #include <QGraphicsSceneMouseEvent> #include "shop.h" #include <QApplication> #include <QMimeData> #include <QDrag> const QVector<QString> Card::name = {"SunFlower","Peashooter","CherryBomb","WallNut", "SnowPea","PotatoMine","Repeater"}; const QMap<QString,int> Card::map = {{"SunFlower",0},{"PeaShooter",1},{"CherryBomb",2}, {"WallNut",3},{"SnowPea",4},{"PotatoMine",5}, {"Repeater",6}}; const QVector<int> Card::cost = {50,100,150,50,175,25,200}; const QVector<int> Card::cool = {227,227,606,606,227,606,227}; Card::Card(QString s) { text=s; count = 0; } QRectF Card::boundingRect() const { return QRectF(-50,-30,100,60); } void Card::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) { Q_UNUSED(option); Q_UNUSED(widget); painter->scale(0.6,0.58); painter->drawPixmap(QRect(-50,-70,100,140),QPixmap(":/images/Card.png")); painter->drawPixmap(QRect(-35,-42,70,70),QPixmap(":/images/"+text+".png")); QFont font; font.setPointSize(15); painter->setFont(font); painter->drawText(-30,60,QString().sprintf("%3d",cost[map[text]])); //画冷却时的黑色阴影 if(count < cool[map[text]]) { QBrush brush(QColor(0,0,0,200)); painter->setBrush(brush); painter->drawRect(QRectF(-48,-68,98,132*(1-qreal(count)/cool[map[text]]))); } } void Card::advance(int phase) { qDebug()<<"advance"; if(!phase) return; update(); if(count < cool[map[text]]) ++count; } void Card::mousePressEvent(QGraphicsSceneMouseEvent *event) { //判断是否已经过了冷却时间 if(count < cool[map[text]]) { event->setAccepted(false); } //判断阳光数是否可以购买植物 Shop *shop = qgraphicsitem_cast<Shop *>(parentItem()); if(shop->sun < cost[map[text]]) { event->setAccepted(false); } } void Card::mouseMoveEvent(QGraphicsSceneMouseEvent *event) { //过滤轻微的鼠标抖动 if(QLineF(event->screenPos(),event->buttonDownScreenPos(Qt::LeftButton)).length() < QApplication::startDragDistance()) { return; } //设置拖动的数据 QMimeData *data = new QMimeData; data->setText(text); QImage image(":/images/"+text+".png"); data->setImageData(image); //执行拖动的效果 QDrag *drag = new QDrag(event->widget()); drag->setMimeData(data); drag->setPixmap(QPixmap::fromImage(image)); drag->setHotSpot(QPoint(35,35)); drag->exec(); }