贪吃蛇easyx版本
Posted chenyangsocool
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这学期学了图形交互学，三个星期下来，突然意识到已经可以用c++写一个贪吃蛇了。
于是就用了两天写了这个小游戏。
其中一天写了核心代码，半天找核心代码中的bug，还有半天进行了界面及操作的优化。
但是有些代码写的依旧有些累赘，比如难度选择界面，不停用if语句，代码太杂了，但是也懒得去优化了，毕竟还有很多事情要做。
下面是游戏运行程序，建议在win10下运行，因为找了几个win7win8系统的童鞋貌似都不能运行，给了他们运行库，运行库也安装不上去。
下面是游戏界面截图。
好了接下来就贴出这些代码。仅供参考。
1 #include "stdafx.h" 2 #include <time.h> 3 #include <conio.h> 4 #include <graphics.h> 5 #include <iostream> 6 using namespace std; 7 8 //bug:运行游戏开始后不能按除方向键和wasd键外的其它键，不然会提示撞墙 9 10 11 /*画窗体边框*/ 12 void drawBorder(bool i, int borderWidth) 13 { 14 if (i) 15 { 16 setfillcolor(GREEN); 17 } 18 else 19 { 20 setfillcolor(RED); 21 } 22 bar(0, 0, getmaxx(), borderWidth - 1 - 1);//上边框 23 bar(0, 0, borderWidth - 1 - 1, getmaxy());//左边框 24 bar(getmaxx() - borderWidth + 1, 0, getmaxx(), getmaxy());//右边框 25 bar(0, getmaxy() - borderWidth + 1, getmaxx(), getmaxy());//下边框 26 } 27 28 /*贪吃蛇结构体*/ 29 struct Snake 30 { 31 int snakeX; 32 int snakeY; 33 }; 34 void drawSnake(struct Snake snakeHeadTemp, int snakeR) 35 { 36 setfillcolor(WHITE); 37 solidcircle(snakeHeadTemp.snakeX, snakeHeadTemp.snakeY, snakeR); 38 } 39 //擦除蛇尾 40 bool eraseSnake(struct Snake snakeHeadTemp, struct Snake snakeTail, int snakeR, struct Snake snakeFood) 41 { 42 if ((snakeHeadTemp.snakeX == snakeFood.snakeX) && (snakeHeadTemp.snakeY == snakeFood.snakeY)) 43 { 44 return true;//如果相同，则返回true，说明需要重新绘制一个食物并且不擦除当前蛇尾 45 } 46 else 47 { 48 setfillcolor(BLACK); 49 solidcircle(snakeTail.snakeX, snakeTail.snakeY, snakeR); 50 return false; 51 } 52 } 53 //检测是否和自身相撞 54 bool checkSnake(struct Snake *snake, struct Snake snakeHeadTemp, int * snakeLenPtr) 55 { 56 for (int i = 0; i < *snakeLenPtr; i++) 57 { 58 if (((snake + i)->snakeX == snakeHeadTemp.snakeX) && ((snake + i)->snakeY == snakeHeadTemp.snakeY)) 59 { 60 return false; 61 } 62 } 63 return true; 64 } 65 //对数组排序 66 void sortSnake(struct Snake *snake, struct Snake snakeHeadTemp, int * snakeLenPtr) 67 { 68 for (int i = *snakeLenPtr - 1; i >= 0; i--)//妈蛋，i>=0i>=0i>=0罚抄一百遍！这个bug找了整整半天啊卧槽！ 69 { 70 (snake + i + 1)->snakeX = (snake + i)->snakeX; 71 (snake + i + 1)->snakeY = (snake + i)->snakeY; 72 } 73 snake->snakeX = snakeHeadTemp.snakeX; 74 snake->snakeY = snakeHeadTemp.snakeY; 75 } 76 //去除尾巴 77 void eraseTail(struct Snake snakeTail, int snakeR) 78 { 79 setfillcolor(BLACK); 80 solidcircle(snakeTail.snakeX, snakeTail.snakeY, snakeR); 81 } 82 //主函数 83 int main() { 84 int screenX = 800;//窗口宽 85 int screenY = 600;//窗口高 86 int borderWidth = 20;//游戏边框宽度 87 int snakeX = 50; 88 int snakeY = 30; 89 int snakeR = 10; 90 int snakeI;//声明食物的横个数 91 int snakeJ;//声明化食物的纵个数 92 char ch = \'d\'; 93 int foodCount = 0;//初始化吃掉的食物个数 94 TCHAR str[100];//用于存储提示文字 95 96 initgraph(screenX, screenY); 97 int speed = 100; 98 99 char choose; 100 int hard = 1; 101 102 restart: 103 //初始化开始界面 104 setfillcolor(BLUE); 105 bar(0, 0, getmaxx(), getmaxy()); 106 setbkcolor(BLUE); 107 setcolor(WHITE); 108 settextstyle(30, 0, TEXT("黑体")); 109 outtextxy(getmaxx() / 2 - 75, getmaxy() / 2 - 200, TEXT("英雄贪吃蛇")); 110 settextstyle(15, 0, TEXT("黑体")); 111 outtextxy(getmaxx() / 2 - 80, getmaxy() / 2 - 130, TEXT("请选择难度，切勿手滑")); 112 setcolor(YELLOW); 113 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 70, TEXT("->"));//200 114 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 70, TEXT("脑残模式"));//200 115 setcolor(WHITE); 116 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 40, TEXT("凡人模式"));//100 117 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 10, TEXT("大仙模式"));//30 118 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 + 20, TEXT("自虐模式"));//20 119 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 + 50, TEXT("退出游戏"));//退出 120 settextstyle(13, 0, TEXT("黑体")); 121 outtextxy(getmaxx() / 2 - 70, getmaxy() - 50, TEXT("版本 v1.1 made by cy")); 122 123 //选择界面12 -32 124 while (choose = _getch()) 125 { 126 if (choose == -32) { choose = _getch(); } 127 if (choose == 13) 128 { 129 if (hard == 1) { speed = 100; } 130 if (hard == 2) { speed = 80; } 131 if (hard == 3) { speed = 50; } 132 if (hard == 4) { speed = 25; } 133 if (hard == 5) { return 0; } 134 break; 135 } 136 if (choose == 72) 137 { 138 if (hard > 1) { hard--; } 139 else{ hard = 5; } 140 } 141 if (choose == 80) 142 { 143 if (hard < 5) { hard++; } 144 else { hard = 1; } 145 } 146 if (hard == 1) 147 { 148 settextstyle(15, 0, TEXT("黑体")); 149 setcolor(BLUE); 150 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 40, TEXT("->")); 151 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 10, TEXT("->")); 152 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 + 20, TEXT("->")); 153 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 + 50, TEXT("->")); 154 setcolor(YELLOW); 155 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 70, TEXT("->")); 156 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 70, TEXT("脑残模式")); 157 setcolor(WHITE); 158 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 40, TEXT("凡人模式")); 159 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 10, TEXT("大仙模式")); 160 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 + 20, TEXT("自虐模式")); 161 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 + 50, TEXT("退出游戏")); 162 speed = 100; 163 } 164 if (hard == 2) 165 { 166 settextstyle(15, 0, TEXT("黑体")); 167 setcolor(BLUE); 168 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 70, TEXT("->")); 169 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 10, TEXT("->")); 170 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 + 20, TEXT("->")); 171 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 + 50, TEXT("->")); 172 setcolor(WHITE); 173 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 70, TEXT("脑残模式")); 174 setcolor(YELLOW); 175 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 40, TEXT("->")); 176 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 40, TEXT("凡人模式")); 177 setcolor(WHITE); 178 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 10, TEXT("大仙模式")); 179 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 + 20, TEXT("自虐模式")); 180 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 + 50, TEXT("退出游戏")); 181 speed = 80; 182 } 183 if (hard == 3) 184 { 185 settextstyle(15, 0, TEXT("黑体")); 186 setcolor(BLUE); 187 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 70, TEXT("->")); 188 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 40, TEXT("->")); 189 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 + 20, TEXT("->")); 190 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 + 50, TEXT("->")); 191 setcolor(WHITE); 192 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 70, TEXT("脑残模式")); 193 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 40, TEXT("凡人模式")); 194 setcolor(YELLOW); 195 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 10, TEXT("->")); 196 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 10, TEXT("大仙模式")); 197 setcolor(WHITE); 198 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 + 20, TEXT("自虐模式")); 199 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 + 50, TEXT("退出游戏")); 200 speed = 50; 201 } 202 if (hard == 4) 203 { 204 settextstyle(15, 0, TEXT("黑体")); 205 setcolor(BLUE); 206 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 70, TEXT("->")); 207 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 40, TEXT("->")); 208 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 10, TEXT("->")); 209 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 + 50, TEXT("->")); 210 setcolor(WHITE); 211 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 70, TEXT("脑残模式")); 212 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 40, TEXT("凡人模式")); 213 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 10, TEXT("大仙模式")); 214 setcolor(YELLOW); 215 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 + 20, TEXT("->")); 216 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 + 20, TEXT("自虐模式")); 217 setcolor(WHITE); 218 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 + 50, TEXT("退出游戏")); 219 speed = 25; 220 } 221 if (hard == 5) 222 { 223 settextstyle(15, 0, TEXT("黑体")); 224 setcolor(BLUE); 225 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 70, TEXT("->")); 226 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 40, TEXT("->")); 227 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 - 10, TEXT("->")); 228 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 + 20, TEXT("->")); 229 setcolor(WHITE); 230 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 70, TEXT("脑残模式")); 231 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 40, TEXT("凡人模式")); 232 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 - 10, TEXT("大仙模式")); 233 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 + 20, TEXT("自虐模式")); 234 setcolor(YELLOW); 235 outtextxy(getmaxx() / 2 - 50, getmaxy() / 2 + 50, TEXT("->")); 236 outtextxy(getmaxx() / 2 - 30, getmaxy() / 2 + 50, TEXT("退出游戏")); 237 } 238 } 239 240 241 242 setfillcolor(BLACK); 243 settextstyle(20, 0, TEXT("黑体")); 244 bar(0, 0, getmaxx(), getmaxy()); 245 setcolor(WHITE); 246 setbkcolor(BLACK); 247 outtextxy(getmaxx() / 2 - 135, getmaxy()/2-50, TEXT("食物还有5秒到达战场，碾碎它们！"easyx图形库做贪吃蛇游戏