贪吃蛇小游戏
贪吃蛇实现基本的移动、吃掉食物、加速、暂停、显示游戏分数等基本功能。
代码如下:
1 “Snake.c” 2 3 #include <stdio.h> 4 #include <windows.h> 5 #define FOOD "■" 6 #define MAPLINES 80 //地图长度 7 #define MAPCOLS 26 //地图高度 8 9 #define _INIT_X 30 //蛇的初始x坐标 10 #define _INIT_Y 10 //蛇的初始y坐标 11 typedef struct node{ //蛇的身体结点 12 int x; 13 int y; 14 struct node *next; 15 }SnakeNode,*pSnakeNode; 16 17 //控制方向 18 enum DIRECTION{ 19 UP =1, 20 DOWN, 21 LEFT, 22 RIGHT, 23 }; 24 //蛇的状态 25 enum State { 26 OK, 27 KILL, //正常死 28 KILL_BY_SELF, 29 KILL_BY_WALL, 30 }; 31 32 //蛇身体 33 typedef struct snake{ 34 pSnakeNode _pSnake; //蛇头指针 35 pSnakeNode _pFood; //食物 36 enum DIRECTION _Dir; //方向 37 enum State _State; //蛇状态 38 int _SleepTime; //停留时间 39 }Snake,*pSnake; 40 41 42 void SetPosition(int x,int y){ //获取光标位置 43 HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE); 44 COORD pos = {0}; 45 pos.X = x; 46 pos.Y = y; 47 SetConsoleCursorPosition(handle, pos); //设置控制台光标 48 } 49 50 void DropMap(){ 51 int i=0; 52 for(; i < MAPLINES; i+=2){ 53 SetPosition(i ,0); 54 printf(FOOD) ; 55 } 56 for(i=0; i<MAPCOLS ; ++i){ 57 SetPosition( 0, i); 58 printf(FOOD); 59 SetPosition( MAPLINES-2,i); 60 printf(FOOD); 61 } 62 for(i=0; i<MAPLINES ; i+=2){ 63 SetPosition( i, MAPCOLS); 64 printf(FOOD); 65 } 66 } 67 void InitSnake(pSnake ps){ 68 pSnakeNode cur =NULL; 69 int i=0; 70 71 cur = malloc(sizeof(SnakeNode)); 72 memset(cur, 0, sizeof(SnakeNode)); 73 cur->x = _INIT_X; 74 cur->y = _INIT_Y; 75 cur->next = NULL; 76 //将蛇节点连接起来 77 for(i = 1; i<=2 ;++i){ 78 ps->_pSnake = malloc(sizeof(SnakeNode)); 79 ps->_pSnake->next = cur; 80 ps->_pSnake->x = _INIT_X + i*2; //初始坐标 81 ps->_pSnake->y = _INIT_Y ; 82 cur = ps->_pSnake; 83 } 84 //画结点 85 while(cur != NULL){ 86 SetPosition(cur->x,cur->y); 87 printf(FOOD); 88 cur = cur->next; 89 } 90 91 ps->_SleepTime = 500; //控制蛇的初始移动速度 92 ps->_State= OK; 93 ps->_Dir = RIGHT; //蛇初始移动方向 94 ps->_pFood = malloc(sizeof(SnakeNode)); 95 } 96 void CreateFood(pSnake ps){ //画食物 97 pSnakeNode cur = NULL; 98 pSnakeNode food = NULL; 99 100 food = malloc(sizeof(SnakeNode)); 101 oncemore: 102 memset(food ,0 ,sizeof(SnakeNode)); 103 do{ 104 food->x = rand() % MAPLINES-2 ; 105 food->y = rand() % MAPCOLS-1 ; 106 } 107 while(food->x %2 != 0 || food->x <2 || food->y <1); 108 109 110 cur = ps->_pSnake; 111 while(cur != NULL){ 112 if(cur->x ==food->x && cur->y == food->y){ 113 goto oncemore; 114 } 115 cur =cur->next; 116 } 117 ps->_pFood->x = food->x; // 118 ps->_pFood->y = food->y; // 119 SetPosition(food->x,food->y); 120 printf(FOOD); 121 122 } 123 int NextHasFood(pSnake ps,pSnakeNode newNode){ //根据蛇头坐标判断移动过程中是否遇到食物 124 if((ps->_pFood->x == newNode->x) 125 && (ps->_pFood->y == newNode->y)) 126 { 127 return 1; 128 } 129 return 0; 130 } 131 132 void EatFood(pSnake ps,pSnakeNode newNode){ //吃掉食物 133 //将新加入的蛇节点链到蛇头 134 pSnakeNode cur = ps->_pSnake; 135 newNode->next = cur; 136 ps->_pSnake = newNode; 137 //cur重新指向蛇头 138 cur = ps->_pSnake; 139 while( cur != NULL){ 140 SetPosition(cur->x, cur->y); 141 printf(FOOD); 142 cur =cur->next; 143 } 144 CreateFood(ps); 145 } 146 147 void NoFood(pSnake ps,pSnakeNode newNode){ //不吃食物,正常移动一次 148 149 pSnakeNode cur = ps->_pSnake; 150 newNode->next = cur; 151 ps->_pSnake = newNode; 152 153 cur = ps->_pSnake; 154 while(cur->next->next !=NULL){ 155 SetPosition(cur->x, cur->y); 156 printf(FOOD); 157 cur =cur->next; 158 } 159 SetPosition(cur->next->x,cur->next->y); 160 printf(" "); 161 free(cur->next); 162 cur->next= NULL; 163 } 164 void MoveSnake(pSnake ps){ //让蛇动起来 165 //重新构造一个蛇头 166 pSnakeNode newNode = malloc(sizeof(SnakeNode)); 167 memset(newNode,0,sizeof(SnakeNode)); 168 169 newNode->x =ps->_pSnake->x; 170 newNode->y =ps->_pSnake->y; 171 switch(ps->_Dir){ // 移动方向 坐标做出相应的变化 172 case UP: 173 newNode->y--; 174 break; 175 case DOWN: 176 newNode->y++; 177 break; 178 case LEFT: 179 newNode->x-=2; 180 break; 181 case RIGHT: 182 newNode->x+=2; 183 break; 184 default: 185 break; 186 } 187 if(NextHasFood(ps,newNode)){ 188 EatFood(ps,newNode); 189 } 190 else{ 191 NoFood(ps,newNode); 192 } 193 } 194 195 int KillBySelf(pSnake ps){ //蛇撞自己死法 196 pSnakeNode cur = ps->_pSnake->next; 197 198 while(cur != NULL){ 199 if((cur->x == ps->_pSnake->x) && (cur->y == ps->_pSnake->y)){ 200 return 1; 201 } 202 cur = cur->next; 203 } 204 return 0; 205 } 206 int KillByWall(pSnake ps){ //蛇撞墙死 207 if(ps->_pSnake->x == 0 || ps->_pSnake->x == MAPLINES - 2 208 || ps->_pSnake->y == 0 || ps->_pSnake->y == MAPCOLS ) 209 return 1; 210 return 0; 211 } 212 int Kill(pSnake ps){ 213 size_t count = 0; 214 pSnakeNode cur = ps->_pSnake; 215 while(cur != NULL){ 216 count++; 217 cur = cur->next; 218 } 219 if(count == (MAPLINES -4)*(MAPCOLS -2)/4){ 220 return 1; 221 } 222 return 0; 223 } 224 int SpeedUp(pSnake ps){ //给蛇加速 225 if( GetAsyncKeyState(VK_UP) || GetAsyncKeyState(VK_DOWN) || 226 GetAsyncKeyState(VK_LEFT) || GetAsyncKeyState(VK_RIGHT) ){ 227 return 50; 228 } 229 return 400; 230 } 231 232 int StopGame( pSnake ps){ //暂停游戏 233 if(GetAsyncKeyState(VK_ESCAPE)){ 234 SetPosition(80,3); 235 printf("暂停(按空格继续...)"); 236 while(1){ 237 if(GetAsyncKeyState(VK_SPACE)){ 238 goto ContinueGame; 239 } 240 } 241 } 242 ContinueGame: 243 SetPosition(80,3); 244 printf(" "); 245 return 1; 246 } 247 248 void ShowScore(pSnake ps){ //显示分数 249 250 size_t count = 0; 251 pSnakeNode cur = ps->_pSnake; 252 while(cur != NULL){ 253 count++; 254 cur = cur->next; 255 } 256 SetPosition(80,6); 257 printf("当前分数:%d",(count-3 )*10); 258 } 259 void ControlSnake(pSnake ps){ //控制蛇 260 do{ 261 if(GetAsyncKeyState(VK_DOWN) && ps->_Dir!=UP){ 262 ps->_Dir =DOWN; 263 } 264 if(GetAsyncKeyState(VK_UP) && ps->_Dir!=DOWN){ 265 ps->_Dir =UP; 266 } 267 if(GetAsyncKeyState(VK_LEFT) && ps->_Dir!=RIGHT){ 268 ps->_Dir =LEFT; 269 } 270 if(GetAsyncKeyState(VK_RIGHT) && ps->_Dir!=LEFT){ 271 ps->_Dir =RIGHT; 272 } 273 if(StopGame(ps)){ 274 ShowScore(ps); 275 MoveSnake(ps); 276 Sleep(SpeedUp(ps)); 277 } 278 279 if(KillBySelf(ps)) 280 ps->_State = KILL_BY_SELF; 281 if(KillByWall(ps)) 282 ps->_State = KILL_BY_WALL ; 283 if(Kill(ps)) 284 ps->_State == KILL; 285 286 }while(ps->_State == OK); 287 288 if(ps->_State == KILL){ 289 SetPosition(82,3); 290 printf("厉害厉害!"); 291 } 292 if(ps->_State == KILL_BY_WALL){ 293 SetPosition(82,3); 294 printf("撞墙死了!"); 295 //exit(1); 296 } 297 if(ps->_State == KILL_BY_SELF){ 298 SetPosition(82,3); 299 printf("撞自己死!"); 300 301 } 302 } 303 304 305 306 void StartGame(){ //初始化游戏 307 srand(time(NULL)); 308 DropMap(); 309 Snake s; 310 memset(&s, 0, sizeof(SnakeNode)); 311 InitSnake(&s); 312 CreateFood(&s); 313 //MoveSnake(&s); 314 ControlSnake(&s); 315 316 } 317 void Welcome(){ 318 system("mode con cols=100 lines=30"); 319 printf(" *************** Snake of Eat **************\n"); 320 printf(" ******* ↑ ↓ ← → Control Direction****\n"); 321 printf(" *********************************************\n"); 322 getchar(); 323 system("cls"); 324 }
1 .C文件 2 #include <stdio.h> 3 #include <stdlib.h> 4 #include <windows.h> 5 int main(int argc, char *argv[]) { 6 system("color f4"); 7 Welcome(); 8 StartGame(); 9 return 0; 10 }
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