打地鼠游戏(5)

 1 #ifndef MAINWINDOW_H
 2 #define MAINWINDOW_H
 3 
 4 #include <QMainWindow>
 5 
 6 #include "myscene.h"
 7 
 8 namespace Ui {
 9 class MainWindow;
10 }
11 
12 class MainWindow : public QMainWindow
13 {
14     Q_OBJECT
15 
16 public:
17     explicit MainWindow(QWidget *parent = nullptr);
18     ~MainWindow();
19 
20     virtual void closeEvent(QCloseEvent *event);
21 private slots:
22     void start_game();  //开始游戏
23     void hold_game();   //暂停游戏
24     void end_game();    //停止游戏
25 
26 private:
27     Ui::MainWindow *ui;
28     MyScene * sc;
29 
30 };
31 
32 #endif // MAINWINDOW_H

 1 MainWindow::MainWindow(QWidget *parent) :QMainWindow(parent),ui(new Ui::MainWindow)
 2 {
 3     ui->setupUi(this);
 4     //将场景在容器中进行显式
 5     this->sc = new MyScene();
 6     ui->graphicsView->setScene(this->sc);
 7 
 8     //控件绑定
 9     connect(this->ui->btn_begin,SIGNAL(clicked()),this,SLOT(start_game()));
10     connect(this->ui->btn_hold,SIGNAL(clicked()),this,SLOT(hold_game()));
11     connect(this->ui->btn_end,SIGNAL(clicked()),this,SLOT(end_game()));
12 
13 }

 1 void MainWindow::start_game(){
 2     this->sc->get_timer_handler()->start(1000); //开启定时器
 3 }
 4 void MainWindow::hold_game(){
 5     this->sc->get_timer_handler()->stop();
 6 }
 7 void MainWindow::end_game(){
 8     //关闭定时器
 9     this->sc->get_timer_handler()->stop();
10     //图元恢复默认
11     for(int i = 0;i<16;i++){
12         this->sc->get_item(i)->setPic(":/mouse/pic/bg1.png");
13         this->sc->get_item(i)->setmouse(false);
14     }
15     //记分清零
16 }

 1 MainWindow::MainWindow(QWidget *parent) :QMainWindow(parent),ui(new Ui::MainWindow)
 2 {
 3     ui->setupUi(this);
 4     //将场景在容器中进行显式
 5     this->sc = new MyScene();
 6     ui->graphicsView->setScene(this->sc);
 7 
 8     //控件绑定
 9     connect(this->ui->btn_begin,SIGNAL(clicked()),this->sc,SLOT(start_game()));
10     connect(this->ui->btn_hold,SIGNAL(clicked()),this->sc,SLOT(hold_game()));
11     connect(this->ui->btn_end,SIGNAL(clicked()),this->sc,SLOT(end_game()));
12 
13 }

 1 #ifndef MYSCENE_H
 2 #define MYSCENE_H
 3 
 4 #include "myitem.h"
 5 
 6 #include <QObject>
 7 #include <QGraphicsScene>
 8 #include <QTimer>
 9 
10 class MyScene : public QGraphicsScene
11 {
12     Q_OBJECT  /*具备信号与槽能力的关键*/
13 public:
14     explicit MyScene(QObject *parent = nullptr);
15     ~MyScene();
16 
17 signals:
18 
19 public slots:
20     void update_my_item();
21     void start_game();  //开始游戏
22     void hold_game();   //暂停游戏
23     void end_game();    //停止游戏
24 
25 private:
26     myitem* item[16]; //当前一个场景由4x4个图元构成，每一个图元都是一张图片构成
27     QTimer* p_timer;  //定时器
28 };
29 
30 #endif // MYSCENE_H

 1 #include "myscene.h"
 2 
 3 #include <stdlib.h>
 4 #include <time.h>
 5 
 6 MyScene::MyScene(QObject *parent) : QGraphicsScene(parent)
 7 {
 8 
 9     //添加图元到场景
10     for(int i = 0;i<16;i++){
11         this->item[i] = new myitem();
12         //设置坐标
13         /*一维数组转换为二维数组，下面宽、高的倍数组合
14         0 0,0 1,0 2,0 3
15         1 0,1 1,1 2,1 3
16         2 0,2 1,2 2,2 3
17         3 0,3 1,3 2,3 3
18         */
19         double x = i/4 * this->item[i]->boundingRect().width();
20         double y = i%4 * this->item[i]->boundingRect().height();
21         this->item[i]->setPos(x,y);
22         this->addItem(this->item[i]);
23     }
24 
25     //绑定一个定时器，等定时周期到触发一个随机数[0-15],然后让场景中的一个图元的图片更换
26     this->p_timer = new QTimer();
27     connect(this->p_timer, SIGNAL(timeout()), this, SLOT(update_my_item())); //绑定定时器和槽函数
28     //this->p_timer->start(1000); //由于绑定了开始按钮，在点击开始按钮之后开启定时器
29 
30 }
31 
32 MyScene::~MyScene(){
33     for(int i = 0;i<16;i++){
34         delete this->item[i];
35     }
36     delete this->p_timer;
37 }
38 
39 
40 void MyScene::update_my_item(){
41     //每次出现老鼠之前，先恢复到所有图元为无老鼠的样式图片
42     for(int i = 0;i<16;i++){
43         this->item[i]->setPic(":/mouse/pic/bg1.png");
44 
45         //同时需要恢复图元老鼠标识为默认
46         this->item[i]->setmouse(false);
47     }
48 
49     srand(time(NULL)); //设置随机数种子
50 
51     //一次性允许显式最多三个老鼠
52     int count = rand()%3 +1;
53     for(int k=1;k<=3;k++){
54         int i = rand()%16;
55         this->item[i]->setPic(":/mouse/pic/mouse.png");
56 
57         //同时需要设置图元老鼠标识
58         this->item[i]->setmouse(true);
59     }
60 }
61 
62 void MyScene::start_game(){
63     this->p_timer->start(1000); //开启定时器
64 }
65 void MyScene::hold_game(){
66     this->p_timer->stop();
67 }
68 void MyScene::end_game(){
69     //关闭定时器
70     this->p_timer->stop();
71     //图元恢复默认
72     for(int i = 0;i<16;i++){
73         this->item[i]->setPic(":/mouse/pic/bg1.png");
74         this->item[i]->setmouse(false);
75     }
76     //记分清零
77 }