參考視頻：https://www.bilibili.com/video/av29580072/?p=1

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GreedySnake.h

1 #ifndef GREEDYSNAKE_H_INCLUDED 2 #define GREEDYSNAKE_H_INCLUDED 3 4 5 #define SNAKE_LENGTH 20 //蛇的長度最大為20 6 #define true 1 7 #define false 0 8 enum {UP = -1, DOWN = 1, LEFT = -2, RIGHT = 2}; 9 10 typedef int bool; 11 12 void FirstPage(); //設置起始游戲界面 13 void TestSpace(); //按空格開始游戲 14 void ShowBackground(); //展示游戲背景 15 void SetSnakeRandPos(); //為蛇產生一個隨機的位置 16 void DrawSnake(); //畫蛇 17 void SnakeMove(); //蛇動 18 void DestroySnake(); //銷毀蛇 19 void ChangeDir(); //蛇隨著方向鍵動起來 20 bool IsSnakeDie(); //判斷蛇是否死亡 21 void ProduceFood(); //隨機位置產生食物 22 void SnakeGrowUp(); //蛇變長 23 void PrintScore(); //打印分數 24 25 26 #endif // GREEDYSNAKE_H_INCLUDED

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GreedySnake.c

1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <string.h> 4 #include <conio.h> 5 #include <windows.h> 6 #include <time.h> 7 #include "GreedySnake.h" 8 9 //把所有元素置為0 10 //snake[0][0]表示蛇頭的行，snake[0][1]表示蛇頭的列，snake[0][2]表示蛇頭移動的方向 11 int g_arrSnake[SNAKE_LENGTH][3] = { 0 }; 12 13 int g_iSnakeLength = 2; //初始長度為3，但數組下標從0開始，故此處為2 14 15 char g_arrBackGround[20][50] = 16 { 17 "████████████████████████\n", //一個█占兩個字節，占兩個字符的位置 18 "█ █\n", 19 "█ █\n", 20 "█ █\n", 21 "█ █\n", 22 "█ █\n", 23 "█ █\n", 24 "█ █\n", 25 "█ █\n", 26 "█ █\n", 27 "█ █\n", 28 "█ █\n", 29 "█ █\n", 30 "█ █\n", 31 "█ █\n", 32 "█ █\n", 33 "█ █\n", 34 "█ █\n", 35 "█ █\n", 36 "████████████████████████\n" 37 }; 38 39 int g_iSnakeDir = LEFT; //蛇的方向,默認向左 40 bool g_bIsProFood = true; //蛇產生食物的標記 41 int g_iRow; //食物的行坐標 42 int g_iCol; //食物的列坐標 43 44 int g_iScore = 0; //分數 45 46 47 48 void FirstPage() //設置起始游戲界面 49 { 50 for (int i = 0; i < 20; ++i) 51 printf(" "); 52 for (int i = 0; i < 60; ++i) 53 printf("*"); 54 printf("\n"); 55 56 for (int j = 0; j < 5; ++j) 57 { 58 for (int i = 0; i < 20; ++i) 59 printf(" "); 60 printf("*"); 61 for (int i = 0; i < 58; ++i) 62 printf(" "); 63 printf("*\n"); 64 } 65 66 for (int i = 0; i < 20; ++i) 67 printf(" "); 68 printf("*"); 69 for (int i = 0; i < 15; ++i) 70 printf(" "); 71 printf("《 歡迎來到貪吃蛇的世界！》"); 72 for (int i = 0; i < 16; ++i) 73 printf(" "); 74 printf("*\n"); 75 76 for (int i = 0; i < 20; ++i) 77 printf(" "); 78 printf("*"); 79 for (int i = 0; i < 15; ++i) 80 printf(" "); 81 printf("《 請按空格鍵開始游戲 》"); 82 for (int i = 0; i < 16; ++i) 83 printf(" "); 84 printf("*\n"); 85 86 for (int j = 0; j < 10; ++j) 87 { 88 for (int i = 0; i < 20; ++i) 89 printf(" "); 90 printf("*"); 91 for (int i = 0; i < 58; ++i) 92 printf(" "); 93 printf("*\n"); 94 } 95 96 for (int i = 0; i < 20; ++i) 97 printf(" "); 98 for (int i = 0; i < 60; ++i) 99 printf("*"); 100 for (int i = 0; i < 8; ++i) 101 printf("\n"); 102 } 103 104 void TestSpace() //按空格開始游戲 105 { 106 char c; 107 while ((c = getch()) != ' ') //getch()在頭文件<conio>內 108 { 109 110 } 111 system("cls"); //清屏 112 } 113 114 void ShowBackground() //展示游戲背景 115 { 116 for (int i = 0; i < 20; ++i) 117 printf(g_arrBackGround[i]); 118 } 119 120 void SetSnakeRandPos() //設置蛇的初始位置，默認蛇的身子為三節，向左移動 121 { 122 int x, y; 123 srand((unsigned)time(NULL)); 124 x = rand()% 20 + 1; //因為蛇的身子起始為三節，所以x的范圍為1-20(蛇不能起始就撞墻) 125 y = rand()% 18 + 1; 126 127 g_arrSnake[0][0] = y; //行 注意：x，y和初始背景中的行列剛好是反的 128 g_arrSnake[0][1] = x * 2; //列 注意：一個█占兩個字節，所以算其坐標時要乘以2 129 g_arrSnake[0][2] = LEFT; //方向 130 131 g_arrSnake[1][0] = y; 132 g_arrSnake[1][1] = x * 2 + 2; 133 g_arrSnake[1][2] = LEFT; 134 135 g_arrSnake[2][0] = y; 136 g_arrSnake[2][1] = x * 2 + 4; 137 g_arrSnake[2][2] = LEFT; 138 139 DrawSnake(); 140 } 141 142 void DrawSnake() //展示蛇 143 { 144 //因為一個█占兩個字節，所以不能直接用strcpy(&arrBackGround[arrSnake[i][0]][arrSnake[i][1]],"█");否則會把\0拷貝進來，導致出錯 145 //由于前面把arrSnake的所有元素都置為了0，所以當arrSnake[i][0]為0時，代表那個坐標處沒有蛇的身子 146 for (int i = 0; g_arrSnake[i][0] != 0; ++i) 147 strncpy(&g_arrBackGround[g_arrSnake[i][0]][g_arrSnake[i][1]], "█", 2); //注意取地址符&不能漏掉！ 148 } 149 150 151 void DestroySnake() //銷毀蛇 152 { 153 for (int i = 0; g_arrSnake[i][0] != 0; ++i) 154 strncpy(&g_arrBackGround[g_arrSnake[i][0]][g_arrSnake[i][1]], " ", 2); //注意取地址符&不能漏掉！ 155 156 } 157 158 void SnakeMove() //蛇動 159 { 160 DestroySnake(); 161 for(int i = SNAKE_LENGTH - 1; i >= 1; --i) 162 { 163 if(g_arrSnake[i][0] != 0) 164 { 165 //把前一個節點的值，賦給當前節點 166 g_arrSnake[i][0] = g_arrSnake[i-1][0]; 167 g_arrSnake[i][1] = g_arrSnake[i-1][1]; 168 g_arrSnake[i][2] = g_arrSnake[i-1][2]; 169 } 170 } 171 172 g_arrSnake[0][2] = g_iSnakeDir; //設置蛇頭方向 173 174 //處理第一個節點(蛇頭) 175 if(g_arrSnake[0][2] == LEFT || g_arrSnake[0][2] == RIGHT) //左右移動，列加減2 176 { 177 g_arrSnake[0][1] += g_arrSnake[0][2]; 178 } 179 else 180 { 181 g_arrSnake[0][0] += g_arrSnake[0][2]; //上下移動，行加減1 182 } 183 184 DrawSnake(); 185 186 } 187 188 void ChangeDir() //改變方向 189 { 190 //不能用getchar()， 會回顯，并且要按回車之后才會開始讀取 191 //不能用getch(), 同步檢測 192 193 //異步檢測 194 if(GetAsyncKeyState('W')) 195 { 196 if (g_arrSnake[0][2] != DOWN) //蛇不能回頭 197 g_iSnakeDir = UP; 198 } 199 200 if(GetAsyncKeyState('S')) 201 { 202 if (g_arrSnake[0][2] != UP) 203 g_iSnakeDir = DOWN; 204 } 205 206 if(GetAsyncKeyState('A')) 207 { 208 if (g_arrSnake[0][2] != RIGHT) 209 g_iSnakeDir = LEFT; 210 } 211 212 if(GetAsyncKeyState('D')) 213 { 214 if (g_arrSnake[0][2] != LEFT) 215 g_iSnakeDir = RIGHT; 216 } 217 } 218 219 bool IsSnakeDie() //蛇死亡判斷(包括撞墻和吃自己，兩種情況) 220 { 221 if(g_arrSnake[0][2] == LEFT || g_arrSnake[0][2] == RIGHT) //如果蛇左右移動，則判斷蛇頭的左右是否是"█"，如果是，則判定為蛇死亡 222 { 223 if(!strncmp(&g_arrBackGround[g_arrSnake[0][0]][g_arrSnake[0][1]+g_arrSnake[0][2]], "█", 2)) //注意取地址符&不能漏掉！ 224 return true; 225 } 226 else //如果蛇上下移動，則判斷蛇頭的上下是否是"█" 227 { 228 if(!strncmp(&g_arrBackGround[g_arrSnake[0][0]+g_arrSnake[0][2]][g_arrSnake[0][1]], "█", 2)) 229 return true; 230 } 231 return false; 232 } 233 234 void ProduceFood() //隨機位置產生食物 235 { 236 //判斷是否產生新的食物 237 if(g_bIsProFood == false) 238 return; 239 240 bool bFlag = true; 241 srand((unsigned)time(NULL)); 242 243 while(1) //產生合法的食物，即食物不與蛇的身子重合 244 { 245 g_iRow = rand()% 18 + 1; //行 246 g_iCol = rand()% 22 + 1; 247 248 for (int i = 0; g_arrSnake[i][0] != 0; i++) //遍歷蛇 249 if (g_iRow == g_arrSnake[i][0] && g_iCol == g_arrSnake[i][1]) //如果在食物產生在蛇身上 250 { 251 bFlag = false; 252 break; 253 } 254 255 if(bFlag == true) 256 break; 257 } 258 259 strncpy(&g_arrBackGround[g_iRow][g_iCol*2], "★", 2); 260 g_bIsProFood = false; 261 } 262 263 void SnakeGrowUp() //蛇變長 264 { 265 if(g_iRow == g_arrSnake[0][0] && g_iCol*2 == g_arrSnake[0][1]) //注意：列要乘以2 266 { 267 if (UP == g_arrSnake[g_iSnakeLength][2]) 268 { 269 g_arrSnake[g_iSnakeLength+1][0] = g_arrSnake[g_iSnakeLength][0]+1; 270 g_arrSnake[g_iSnakeLength+1][1] = g_arrSnake[g_iSnakeLength][0]; 271 g_arrSnake[g_iSnakeLength+1][2] = g_arrSnake[g_iSnakeLength][2]; 272 } 273 else if (DOWN == g_arrSnake[g_iSnakeLength][2]) 274 { 275 g_arrSnake[g_iSnakeLength+1][0] = g_arrSnake[g_iSnakeLength][0]-1; 276 g_arrSnake[g_iSnakeLength+1][1] = g_arrSnake[g_iSnakeLength][0]; 277 g_arrSnake[g_iSnakeLength+1][2] = g_arrSnake[g_iSnakeLength][2]; 278 } 279 else if (LEFT == g_arrSnake[g_iSnakeLength][2]) 280 { 281 g_arrSnake[g_iSnakeLength+1][0] = g_arrSnake[g_iSnakeLength][0]; 282 g_arrSnake[g_iSnakeLength+1][1] = g_arrSnake[g_iSnakeLength][0]+2; 283 g_arrSnake[g_iSnakeLength+1][2] = g_arrSnake[g_iSnakeLength][2]; 284 } 285 else if (RIGHT == g_arrSnake[g_iSnakeLength][2]) 286 { 287 g_arrSnake[g_iSnakeLength+1][0] = g_arrSnake[g_iSnakeLength][0]; 288 g_arrSnake[g_iSnakeLength+1][1] = g_arrSnake[g_iSnakeLength][0]-2; 289 g_arrSnake[g_iSnakeLength+1][2] = g_arrSnake[g_iSnakeLength][2]; 290 } 291 g_iSnakeLength++; 292 g_bIsProFood = true; 293 g_iScore++; 294 } 295 296 } 297 298 void PrintScore() //打印分數 299 { 300 COORD rd; 301 //設置光標位置 302 rd.X = 59; 303 rd.Y = 10; 304 SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), rd); 305 printf("分數"); 306 307 rd.X = 60; 308 rd.Y = 11; 309 //設置光標位置 310 SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), rd); 311 //打印 312 printf ("%d", g_iScore); 313 }

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main.c

1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <conio.h> 4 #include <windows.h> 5 #include <time.h> 6 #include "GreedySnake.h" 7 8 9 int main() 10 { 11 FirstPage(); 12 TestSpace(); 13 system("cls"); 14 SetSnakeRandPos(); 15 ShowBackground(); 16 17 while (1) 18 { 19 system("cls"); 20 ProduceFood(); 21 SnakeGrowUp(); 22 ChangeDir(); 23 24 if(IsSnakeDie()) 25 { 26 printf("snake die!\n"); 27 break; 28 } 29 30 SnakeMove(); 31 ShowBackground(); 32 PrintScore(); 33 34 Sleep(500); 35 } 36 system("pause"); 37 return 0; 38 }

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轉載于:https://www.cnblogs.com/FengZeng666/p/9694965.html

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