QT实现两条贪吃蛇
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Snake.pro文件
1 #-------------------------------------------------
2 #
3 # Project created by QtCreator 2017-12-11T22:59:40
4 #
5 #-------------------------------------------------
6
7 QT += core gui
8
9 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
10
11 TARGET = 02_Snake
12 TEMPLATE = app
13
14 # The following define makes your compiler emit warnings if you use
15 # any feature of Qt which as been marked as deprecated (the exact warnings
16 # depend on your compiler). Please consult the documentation of the
17 # deprecated API in order to know how to port your code away from it.
18 DEFINES += QT_DEPRECATED_WARNINGS
19
20 # You can also make your code fail to compile if you use deprecated APIs.
21 # In order to do so, uncomment the following line.
22 # You can also select to disable deprecated APIs only up to a certain version of Qt.
23 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
24
25
26 SOURCES += main.cpp\\
27 widget.cpp \\
28 mythread.cpp
29
30 HEADERS += widget.h \\
31 mythread.h \\
32 allparameter.h
33
34 FORMS += widget.ui
35
36 CONFIG +=C++11
头文件
allparameter.h
1 #ifndef ALLPARAMETER_H
2 #define ALLPARAMETER_H
3
4
5 extern QVector<QRect> rects;
6 extern QVector<QRect> rectsfight;
7 extern QRect newrect;
8
9 extern int state,statefight;
10 extern int begin[2];
11 extern int g_length,g_width,g_lines,g_rows;
12
13
14
15 #endif // ALLPARAMETER_H
mythread.h
1 #ifndef MYTHREAD_H
2 #define MYTHREAD_H
3
4 #include <QObject>
5 #include<QImage>
6
7 class MyThread : public QObject
8 {
9 Q_OBJECT
10 public:
11 explicit MyThread(QObject *parent = 0);
12 void DrawImage();
13
14 signals:
15 void UpdateImage(QImage temp);
16 void Touch();
17
18 public slots:
19
20 private:
21 QImage image;
22
23 };
24
25 #endif // MYTHREAD_H
widget.h
#ifndef WIDGET_H
#define WIDGET_H
#include <QWidget>
#include<QThread>
#include<QTimer>
#include"mythread.h"
#include<QPaintEvent>
namespace Ui {
class Widget;
}
class Widget : public QWidget
{
Q_OBJECT
public:
explicit Widget(QWidget *parent = 0);
~Widget();
protected:
void paintEvent(QPaintEvent *event);
void dealUpdateImage(QImage);
void closeThread();
void keyPressEvent(QKeyEvent *event);
void Paint();
private slots:
void on_pushButton_clicked();
void on_pushButton_2_clicked();
private:
Ui::Widget *ui;
MyThread *MyT;
QThread *thread;
QTimer *time_1;
QImage image;
int timeset;
};
#endif // WIDGET_H
源文件
main.cpp
1 #include "widget.h"
2 #include <QApplication>
3
4 int main(int argc, char *argv[])
5 {
6 QApplication a(argc, argv);
7 Widget w;
8 w.show();
9
10 return a.exec();
11 }
mythread.cpp
1 #include "mythread.h"
2 #include<QPainter>
3 #include<allparameter.h>
4 #include<QBrush>
5 #include<QPen>
6
7
8 MyThread::MyThread(QObject *parent) : QObject(parent)
9 {
10
11 }
12
13 void MyThread::DrawImage()
14 {
15 switch(state)
16 {
17 case 0:
18 if(((rects[rects.size()-1]).left()==newrect.left())&&(rects[rects.size()-1].top()-g_width==newrect.top()))
19 {
20 rects.push_back(newrect);
21 bool con=1;
22 int a,b;
23 while(con)
24 {
25 a=rand()%(g_rows);
26 b=rand()%(g_lines);
27 if(!(rects.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width)))&&!(rectsfight.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width))))
28 con=0;
29 }
30 newrect=QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width);
31 }
32 rects.push_back(QRect((rects[rects.size()-1].left()),(rects[rects.size()-1].top())-g_width,g_length,g_width));
33 break;
34 case 1:
35 if(((rects[rects.size()-1]).left()-g_length==newrect.left())&&(rects[rects.size()-1].top()==newrect.top()))
36 {
37 rects.push_back(newrect);
38 bool con=1;
39 int a,b;
40 while(con)
41 {
42 a=rand()%(g_rows);
43 b=rand()%(g_lines);
44 if(!(rects.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width)))&&!(rectsfight.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width))))
45 con=0;
46 }
47 newrect=QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width);
48 }
49 rects.push_back(QRect((rects[rects.size()-1].left())-g_length,(rects[rects.size()-1].top()),g_length,g_width));
50 break;
51 case 2:
52 if(((rects[rects.size()-1]).left()==newrect.left())&&(rects[rects.size()-1].top()+g_width==newrect.top()))
53 {
54 rects.push_back(newrect);
55 bool con=1;
56 int a,b;
57 while(con)
58 {
59 a=rand()%(g_rows);
60 b=rand()%(g_lines);
61 if(!(rects.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width)))&&!(rectsfight.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width))))
62 con=0;
63 }
64 newrect=QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width);
65 }
66 rects.push_back(QRect((rects[rects.size()-1].left()),(rects[rects.size()-1].top())+g_width,g_length,g_width));
67 break;
68 case 3:
69 if(((rects[rects.size()-1]).left()+g_length==newrect.left())&&(rects[rects.size()-1].top()==newrect.top()))
70 {
71 rects.push_back(newrect);
72 bool con=1;
73 int a,b;
74 while(con)
75 {
76 a=rand()%(g_rows);
77 b=rand()%(g_lines);
78 if(!(rects.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width)))&&!(rectsfight.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width))))
79 con=0;
80 }
81 newrect=QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width);
82 }
83 rects.push_back(QRect((rects[rects.size()-1].left())+g_length,(rects[rects.size()-1].top()),g_length,g_width));
84 break;
85
86
87
88
89
90 }
91 rects.removeAt(0);
92
93
94
95 switch(statefight)
96 {
97 case 0:
98 if(((rectsfight[rectsfight.size()-1]).left()==newrect.left())&&(rectsfight[rectsfight.size()-1].top()-g_width==newrect.top()))
99 {
100 rectsfight.push_back(newrect);
101 bool con=1;
102 int a,b;
103 while(con)
104 {
105 a=rand()%(g_rows);
106 b=rand()%(g_lines);
107 if(!(rectsfight.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width)))&&!(rectsfight.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width))))
108 con=0;
109 }
110 newrect=QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width);
111 }
112 rectsfight.push_back(QRect((rectsfight[rectsfight.size()-1].left()),(rectsfight[rectsfight.size()-1].top())-g_width,g_length,g_width));
113 break;
114 case 1:
115 if(((rectsfight[rectsfight.size()-1]).left()-g_length==newrect.left())&&(rectsfight[rectsfight.size()-1].top()==newrect.top()))
116 {
117 rectsfight.push_back(newrect);
118 bool con=1;
119 int a,b;
120 while(con)
121 {
122 a=rand()%(g_rows);
123 b=rand()%(g_lines);
124 if(!(rectsfight.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width)))&&!(rectsfight.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width))))
125 con=0;
126 }
127 newrect=QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width);
128 }
129 rectsfight.push_back(QRect((rectsfight[rectsfight.size()-1].left())-g_length,(rectsfight[rectsfight.size()-1].top()),g_length,g_width));
130 break;
131 case 2:
132 if(((rectsfight[rectsfight.size()-1]).left()==newrect.left())&&(rectsfight[rectsfight.size()-1].top()+g_width==newrect.top()))
133 {
134 rectsfight.push_back(newrect);
135 bool con=1;
136 int a,b;
137 while(con)
138 {
139 a=rand()%(g_rows);
140 b=rand()%(g_lines);
141 if(!(rectsfight.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width)))&&!(rectsfight.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width))))
142 con=0;
143 }
144 newrect=QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width);
145 }
146 rectsfight.push_back(QRect((rectsfight[rectsfight.size()-1].left()),(rectsfight[rectsfight.size()-1].top())+g_width,g_length,g_width));
147 break;
148 case 3:
149 if(((rectsfight[rectsfight.size()-1]).left()+g_length==newrect.left())&&(rectsfight[rectsfight.size()-1].top()==newrect.top()))
150 {
151 rectsfight.push_back(newrect);
152 bool con=1;
153 int a,b;
154 while(con)
155 {
156 a=rand()%(g_rows);
157 b=rand()%(g_lines);
158 if(!(rectsfight.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width)))&&!(rectsfight.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width))))
159 con=0;
160 }
161 newrect=QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width);
162 }
163 rectsfight.push_back(QRect((rectsfight[rectsfight.size()-1].left())+g_length,(rectsfight[rectsfight.size()-1].top()),g_length,g_width));
164 break;
165 }
166 rectsfight.removeAt(0);
167
168 if(
169 ((rects[rects.size()-1]).left()==begin[0]-g_length)
170 ||((rects[rects.size()-1]).left()==(begin[0]+g_rows*g_length))
171 ||((rects[rects.size()-1]).top()==begin[1]-g_width)
172 ||((rects[rects.size()-1]).top()==(begin[1]+g_width*g_lines))
173 ||((rectsfight[rectsfight.size()-1]).left()==begin[0]-g_length)
174 ||((rectsfight[rectsfight.size()-1]).left()==(begin[0]+g_rows*g_length))
175 ||((rectsfight[rectsfight.size()-1]).top()==begin[1]-g_width)
176 ||((rectsfight[rectsfight.size()-1]).top()==(begin[1]+g_width*g_lines))
177 )
178 {
179
180 // time_1->stop();
181 emit Touch();
182 rects.clear();
183 rectsfight.clear();
184 rects.push_back(QRect(begin[0]+g_length*(g_rows/4),begin[1]+g_width*(g_lines/4),g_length,g_width));
185 rectsfight.push_back(QRect(begin[0]+g_length*(g_rows*3/4),begin[1]+g_width*(g_lines*3/4),g_length,g_width));
186
187 bool con=1;
188 int a,b;
189 while(con)
190 {
191 a=rand()%(g_rows);
192 b=rand()%(g_lines);
193 if(!(rects.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width))))
194 con=0;
195 }
196 newrect=QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width);
197
198 }
199
200
201
202
203 image=QImage(begin[0]*2+g_length*g_rows,begin[1]+(g_width+3)*g_lines,QImage::Format_ARGB32);
204 QPainter p(&image);
205
206 QPen pen;
207
208
209 p.setPen(pen);
210 QVector<QLine> lines;
211
212 for(int i=0;i<=g_lines;i++)
213 {
214 lines.push_back(QLine(begin[0],begin[1]+g_width*i,begin[0]+g_rows*g_length,begin[1]+g_width*i));
215 }
216 for(int i=0;i<=g_rows;i++)
217 {
218 lines.push_back(QLine(begin[0]+g_length*i,begin[1],begin[0]+g_length*i,begin[1]+g_width*g_lines));
219 }
220
221 p.drawLines(lines);
222 QBrush brush;
223 brush.setColor(Qt::black);
224 brush.setStyle(Qt::SolidPattern);
225 p.setBrush(brush);
226 p.drawRects(rects);
227 brush.setColor(Qt::yellow);
228 p.setBrush(brush);
229 p.drawRects(rectsfight);
230 brush.setColor(Qt::red);
231 p.setBrush(brush);
232 p.drawRect(newrect);
233
234 emit UpdateImage(image);
235
236 }
widget.cpp
1 #include "widget.h"
2 #include "ui_widget.h"
3 #include<QPainter>
4 #include<QPen>
5 #include<QBrush>
6 #include<allparameter.h>
7 #include<QMessageBox>
8
9 QVector<QRect> rects;
10 QVector<QRect> rectsfight;
11 QRect newrect;
12
13 int state=0,statefight=0;
14 int begin[2]={20,20};
15 int g_length=20,g_width=20,g_lines=21,g_rows=21;
16
17
18 Widget::Widget(QWidget *parent) :
19 QWidget(parent),
20 ui(new Ui::Widget)
21 {
22 ui->setupUi(this);
23
24 resize(begin[0]*2+g_length*g_rows,begin[1]+(g_width+3)*g_lines);
25 ui->pushButton->move((begin[0]+g_length*(g_rows/2-1))-ui->pushButton->width()-ui->label->width(),begin[1]+(g_width+1)*g_lines);
26 ui->label->move((begin[0]+g_length*(g_rows/2))-ui->label->width()-2,begin[1]+(g_width+1)*g_lines);
27 ui->lineEdit->move((begin[0]+g_length*(g_rows/2)),begin[1]+(g_width+1)*g_lines+2);
28 ui->pushButton_2->move((begin[0]+g_length*(g_rows/2+1))+ui->lineEdit->width(),begin[1]+(g_width+1)*g_lines);
29
30
31
32 ui->lineEdit->setText("300");
33 ui->lineEdit->resize(40,20);
34
35 timeset=ui->lineEdit->text().toInt();
36
37 srand((unsigned)time(NULL));
38
39 setWindowFlags(Qt::FramelessWindowHint|windowFlags());
40
41 rects.push_back(QRect(begin[0]+g_length*(g_rows/4),begin[1]+g_width*(g_lines/4),g_length,g_width));
42 rectsfight.push_back(QRect(begin[0]+g_length*(g_rows*3/4),begin[1]+g_width*(g_lines*3/4),g_length,g_width));
43
44
45 bool con=1;
46 int a,b;
47 while(con)
48 {
49 a=rand()%(g_rows);
50 b=rand()%(g_lines);
51 if(!(rects.contains(QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width))))
52 con=0;
53 }
54 newrect=QRect(begin[0]+g_length*a,begin[1]+g_width*b,g_length,g_width);
55
56
57
58
59
60 time_1=new QTimer(this);
61
62
63 MyT=new MyThread;
64 thread=new QThread(this);
65 MyT->moveToThread(thread);
66
67 thread->start();
68
69 connect(time_1,&QTimer::timeout,MyT,&MyThread::DrawImage);
70
71 connect(MyT,&MyThread::UpdateImage,this,&Widget::dealUpdateImage);
72
73 connect(this,&Widget::destroyed,this,&Widget::closeThread);
74
75 connect(MyT,&MyThread::Touch,this,
76 [=]()
77 {
78 time_1->stop();
79 QMessageBox message;
80 message.information(this,"提示","你输了");
81 }
82 );
83
84 Paint();
85
86
87
88 }
89
90 Widget::~Widget()
91 {
92 delete ui;
93 }
94 void Widget::closeThread()
95 {
96 thread->quit();
97 thread->wait();
98 }
99
100
101 void Widget::on_pushButton_clicked()
102 {
103 timeset=ui->lineEdit->text().toInt();
104 if(time_1->isActive()==false)
105 {
106
107 time_1->start(timeset);
108
109 }
110 else
111 {
112 time_1->stop();
113 }
114 }
115
116 void Widget::paintEvent(QPaintEvent *)
117 {
118 QPainter p(this);
119 p.drawImage(0,0,image);
120
121 }
122
123 void Widget::dealUpdateImage(QImage temp)
124 {
125 image=temp;
126 update();
127 }
128
129
130
131 void Widget::keyPressEvent(QKeyEvent *event)
132 {
133 switch(event->key())
134 {
135 case 87: state=0;break;
136 case 65: state=1;break;
137 case 83: state=2;break;
138 case 68: state=3;break;
139 case 73: statefight=0;break;
140 case 74: statefight=1;break;
141 case 75: statefight=2;break;
142 case 76: statefight=3;break;
143 }
144 }
145
146 void Widget::on_pushButton_2_clicked()
147 {
148 closeThread();
149 close();
150 }
151
152 void Widget::Paint()
153 {
154 image=QImage(500,500,QImage::Format_ARGB32);
155 QPainter p(&image);
156
157
158
159 QPen pen;
160
161
162 p.setPen(pen);
163 QVector<QLine> lines;
164
165 for(int i=0;i<=g_lines;i++)
166 {
167 lines.push_back(QLine(begin[0],begin[1]+g_width*i,begin[0]+g_rows*g_length,begin[1]+g_width*i));
168 }
169 for(int i=0;i<=g_rows;i++)
170 {
171 lines.push_back(QLine(begin[0]+g_length*i,begin[1],begin[0]+g_length*i,begin[1]+g_width*g_lines));
172 }
173
174 p.drawLines(lines);
175 QBrush brush;
176 brush.setColor(Qt::black);
177 brush.setStyle(Qt::SolidPattern);
178 p.setBrush(brush);
179 p.drawRects(rects);
180 brush.setColor(Qt::yellow);
181 p.setBrush(brush);
182 p.drawRects(rectsfight);
183 brush.setColor(Qt::red);
184 p.setBrush(brush);
185 p.drawRect(newrect);
186
187 update();
188 }
界面控件
最终效果
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