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贪吃蛇_代码+解析_贪吃蛇代码

作者：繁依Fanyi0 | 2024-04-19 13:55:29

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贪吃蛇代码

头文件

宏定义

一大堆变量

颜色及移动光标函数

打印游戏规则

初始化

画地图

画蛇

移动函数

擦除尾巴

输入

放置食物

增加长度

GAME OVER

主函数

完整代码

头文件

  1. #include<windows.h>
  2. #include<stdlib.h>
  3. #include<fstream>
  4. #include<stdio.h>
  5. #include<conio.h>
  6. #include<time.h>

宏定义

  1. #define UP 0    //上
  2. #define DOWN 1  //下
  3. #define LEFT 2  //左
  4. #define RIGHT 3 //右
  5. #define X 23    //X坐标
  6. #define Y 40    //Y坐标
  7. #define MAXLEN 200    //最大长度
  8. #define MINTIME 75    //等待时间

一大堆变量

  1. unsigned int snake[MAXLEN][2];//蛇的坐标
  2. unsigned int len;             //长度
  3. unsigned int lastt[2];        //蛇尾坐标
  4.  
  5. unsigned int score;           //得分
  6. unsigned int max_score;       //最大得分
  7.  
  8. unsigned int way;             //方向
  9.  
  10. double wait;                  //等待时间
  11.  
  12. int input;                    //输入
  13.  
  14. unsigned int food[2];         //食物信息
  15. bool empty=true;              //食物空

颜色及移动光标函数

  1. void color(int _color){
  2. 	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),_color);
  3. 	return;
  4. }
  5.  
  6. void gotoxy(int xx,int yy){
  7.     COORD position={yy*2,xx};
  8.     SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),position);
  9.     return;
  10. }

打印游戏规则

  1. void welcome(){
  2. 	printf("游戏规则:\n");
  3. 	printf("w,a,s,d,控制移动\n");
  4. 	getch();
  5. 	system("cls");
  6. 	return;
  7. }

初始化

  1. void init(){
  2. 	
  3. 	system("title 贪吃蛇");//标题
  4. 	
  5. 	CONSOLE_CURSOR_INFO cursor_info={1,0};                             //隐藏
  6.     SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE),&cursor_info);//光标
  7. 	
  8. 	fstream in("score.txt",ios::in);
  9. 	if(!in.fail())
  10. 		in>>max_score;//读取存档
  11. 	else
  12. 		welcome();//输出规则
  13. 	in.close();
  14. 	
  15. 	len=4;                    //以下代码设置设定蛇的初始信息
  16. 	
  17. 	snake[0][0]=X>>1;
  18. 	snake[0][1]=Y>>1;
  19. 	
  20. 	snake[1][0]=(X>>1)+1;
  21. 	snake[1][1]=Y>>1;
  22. 	
  23. 	snake[2][0]=(X>>1)+2;
  24. 	snake[2][1]=Y>>1;
  25. 	
  26. 	snake[3][0]=(X>>1)+3;
  27. 	snake[3][1]=Y>>1;
  28. 	
  29. 	way=UP;
  30. 	
  31. 	wait=150.0;
  32. 	
  33. 	return;
  34. }

画地图

  1. void drawmap(){
  2. 	color(255);
  3. 	for(unsigned int xx=0;xx<X;xx++){
  4. 		gotoxy(xx,0);
  5. 		printf("  ");
  6. 		gotoxy(xx,Y-1);
  7. 		printf("  ");
  8. 	}
  9. 	for(unsigned int yy=0;yy<Y;yy++){
  10. 		gotoxy(0,yy);
  11. 		printf("  ");
  12. 		gotoxy(X-1,yy);
  13. 		printf("  ");
  14. 	}
  15. 	return;
  16. }

画蛇

  1. void drawsnake(){
  2. 	
  3. 	color(255);
  4. 	gotoxy(0,0);
  5. 	printf("  ");
  6. 	
  7. 	color(10);
  8. 	gotoxy(snake[0][0],snake[0][1]);
  9. 	printf("□");
  10. 	gotoxy(snake[1][0],snake[1][1]);
  11. 	printf("■");
  12. 	
  13. 	return;
  14. }

移动函数

  1. void move(){
  2. 	
  3. 	lastt[0]=snake[len-1][0];
  4. 	lastt[1]=snake[len-1][1];
  5. 	
  6. 	for(unsigned int tc=len-1;tc>0;tc--){
  7. 		snake[tc][0]=snake[tc-1][0];
  8. 		snake[tc][1]=snake[tc-1][1];
  9. 	}
  10. 	
  11. 	switch(way){
  12. 		case UP:{
  13. 			snake[0][0]--;
  14. 			break;
  15. 		}
  16. 		case DOWN:{
  17. 			snake[0][0]++;
  18. 			break;
  19. 		}
  20. 		case LEFT:{
  21. 			snake[0][1]--;
  22. 			break;
  23. 		}
  24. 		case RIGHT:{
  25. 			snake[0][1]++;
  26. 			break;
  27. 		}
  28. 	}
  29. 	
  30. 	return;
  31. }

擦除尾巴

  1. void clt(){
  2. 	color(0);
  3. 	gotoxy(lastt[0],lastt[1]);
  4. 	printf("  ");
  5. 	return;
  6. }

输入

  1. void getin(){
  2. 	if(kbhit()!=0){
  3. 		while(kbhit()!=0)
  4. 			input=getch();
  5. 		switch(input){
  6. 			case 'W':case 'w':{
  7. 				if(way!=DOWN)
  8. 					way=UP;
  9. 				break;
  10. 			}
  11. 			case 'S':case 's':{
  12. 				if(way!=UP)
  13. 					way=DOWN;
  14. 				break;
  15. 			}
  16. 			case 'A':case 'a':{
  17. 				if(way!=RIGHT)
  18. 					way=LEFT;
  19. 				break;
  20. 			}
  21. 			case 'D':case 'd':{
  22. 				if(way!=LEFT)
  23. 					way=RIGHT;
  24. 				break;
  25. 			}
  26. 		}
  27. 	}
  28. 	return;
  29. }

放置食物

  1. void putfood(){
  2. 	
  3. 	if(empty){
  4. 		bool flag=true;
  5. 		srand(time(NULL));
  6. 		while(flag){
  7. 			food[0]=rand()%(X-2)+1;
  8. 			food[1]=rand()%(Y-2)+1;
  9. 			flag=false;
  10. 			for(unsigned int tc=0;tc<len;tc++)
  11. 				if(snake[tc][0]==food[0]&&snake[tc][1]==food[1])
  12. 					flag=true;
  13. 		}
  14. 		empty=false;
  15. 		color(14);
  16. 		gotoxy(food[0],food[1]);
  17. 		printf("◆");
  18. 	}
  19. 	return;
  20. }

增加长度

  1. void eatfood(){
  2. 	if(snake[0][0]==food[0]&&snake[0][1]==food[1]){
  3. 		empty=true;
  4. 		score++;
  5. 		if(wait>=MINTIME)
  6. 			wait-=0.5;
  7. 		if(len<MAXLEN)
  8. 			len++;
  9. 	}
  10. 	return;
  11. }

GAME OVER

  1. void gameover(){
  2. 	bool over=false;
  3. 	if(snake[0][0]==0||snake[0][0]==X-1||snake[0][1]==0||snake[0][1]==Y-1)
  4. 		over=true;
  5. 	for(int tc=1;tc<len;tc++)
  6. 		if(snake[0][0]==snake[tc][0]&&snake[0][1]==snake[tc][1])
  7. 			over=true;
  8. 	if(over==true){
  9. 		
  10. 		system("cls");
  11. 		
  12. 		while(kbhit()!=0)
  13. 			getch();
  14. 		
  15. 		printf("Game over!\n");
  16. 		printf("Score:%d\n",score);
  17. 		printf("Max score:%d\n",max_score);
  18. 		
  19. 		getch();
  20. 		system("cls");
  21. 		printf("Save...\n");
  22. 		
  23. 		if(score>max_score){
  24. 			fstream write;
  25. 			write.open("score.txt",ios::out);
  26. 			write<<score;
  27. 			write.close();
  28. 			max_score=score;
  29. 		}
  30. 		
  31. 		exit(0);
  32. 		
  33. 	}
  34. 	return;
  35. }

主函数

  1. int main(){
  2. 	init();
  3. 	drawmap();
  4. 	_sleep(3000);
  5. 	while(true){
  6. 		clt();
  7. 		drawsnake();
  8. 		putfood();
  9. 		eatfood();
  10. 		getin();
  11. 		move();
  12. 		gameover();
  13. 		_sleep(int(wait));
  14. 	}
  15. 	return 0;
  16. }

完整代码

  1. #include<windows.h>
  2. #include<stdlib.h>
  3. #include<fstream>
  4. #include<stdio.h>
  5. #include<conio.h>
  6. #include<time.h>
  7.  
  8. using namespace std;
  9.  
  10. #define UP 0
  11. #define DOWN 1
  12. #define LEFT 2
  13. #define RIGHT 3
  14. #define X 23
  15. #define Y 40
  16. #define MAXLEN 200
  17. #define MINTIME 75
  18.  
  19. unsigned int snake[MAXLEN][2];
  20. unsigned int len;
  21. unsigned int lastt[2];
  22.  
  23. unsigned int score;
  24. unsigned int max_score;
  25.  
  26. unsigned int way;
  27.  
  28. double wait;
  29.  
  30. int input;
  31.  
  32. unsigned int food[2];
  33. bool empty=true;
  34.  
  35. void color(int _color){
  36. 	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),_color);
  37. 	return;
  38. }
  39.  
  40. void gotoxy(int xx,int yy){
  41.     COORD position={yy*2,xx};
  42.     SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),position);
  43.     return;
  44. }
  45.  
  46. void welcome(){
  47. 	printf("游戏规则:\n");
  48. 	printf("w,a,s,d,控制移动\n");
  49. 	getch();
  50. 	system("cls");
  51. 	return;
  52. }
  53.  
  54. void init(){
  55. 	
  56. 	system("title 贪吃蛇");
  57. 	
  58. 	CONSOLE_CURSOR_INFO cursor_info={1,0};
  59.     SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE),&cursor_info);
  60. 	
  61. 	fstream in("score.txt",ios::in);
  62. 	if(!in.fail())
  63. 		in>>max_score;
  64. 	else
  65. 		welcome();
  66. 	in.close();
  67. 	
  68. 	len=4;
  69. 	
  70. 	snake[0][0]=X>>1;
  71. 	snake[0][1]=Y>>1;
  72. 	
  73. 	snake[1][0]=(X>>1)+1;
  74. 	snake[1][1]=Y>>1;
  75. 	
  76. 	snake[2][0]=(X>>1)+2;
  77. 	snake[2][1]=Y>>1;
  78. 	
  79. 	snake[3][0]=(X>>1)+3;
  80. 	snake[3][1]=Y>>1;
  81. 	
  82. 	way=UP;
  83. 	
  84. 	wait=150.0;
  85. 	
  86. 	return;
  87. }
  88.  
  89. void drawmap(){
  90. 	color(255);
  91. 	for(unsigned int xx=0;xx<X;xx++){
  92. 		gotoxy(xx,0);
  93. 		printf("  ");
  94. 		gotoxy(xx,Y-1);
  95. 		printf("  ");
  96. 	}
  97. 	for(unsigned int yy=0;yy<Y;yy++){
  98. 		gotoxy(0,yy);
  99. 		printf("  ");
  100. 		gotoxy(X-1,yy);
  101. 		printf("  ");
  102. 	}
  103. 	return;
  104. }
  105.  
  106. void drawsnake(){
  107. 	
  108. 	color(255);
  109. 	gotoxy(0,0);
  110. 	printf("  ");
  111. 	
  112. 	color(10);
  113. 	gotoxy(snake[0][0],snake[0][1]);
  114. 	printf("□");
  115. 	gotoxy(snake[1][0],snake[1][1]);
  116. 	printf("■");
  117. 	
  118. 	return;
  119. }
  120.  
  121. void move(){
  122. 	
  123. 	lastt[0]=snake[len-1][0];
  124. 	lastt[1]=snake[len-1][1];
  125. 	
  126. 	for(unsigned int tc=len-1;tc>0;tc--){
  127. 		snake[tc][0]=snake[tc-1][0];
  128. 		snake[tc][1]=snake[tc-1][1];
  129. 	}
  130. 	
  131. 	switch(way){
  132. 		case UP:{
  133. 			snake[0][0]--;
  134. 			break;
  135. 		}
  136. 		case DOWN:{
  137. 			snake[0][0]++;
  138. 			break;
  139. 		}
  140. 		case LEFT:{
  141. 			snake[0][1]--;
  142. 			break;
  143. 		}
  144. 		case RIGHT:{
  145. 			snake[0][1]++;
  146. 			break;
  147. 		}
  148. 	}
  149. 	
  150. 	return;
  151. }
  152.  
  153. void clt(){
  154. 	color(0);
  155. 	gotoxy(lastt[0],lastt[1]);
  156. 	printf("  ");
  157. 	return;
  158. }
  159.  
  160. void getin(){
  161. 	if(kbhit()!=0){
  162. 		while(kbhit()!=0)
  163. 			input=getch();
  164. 		switch(input){
  165. 			case 'W':case 'w':{
  166. 				if(way!=DOWN)
  167. 					way=UP;
  168. 				break;
  169. 			}
  170. 			case 'S':case 's':{
  171. 				if(way!=UP)
  172. 					way=DOWN;
  173. 				break;
  174. 			}
  175. 			case 'A':case 'a':{
  176. 				if(way!=RIGHT)
  177. 					way=LEFT;
  178. 				break;
  179. 			}
  180. 			case 'D':case 'd':{
  181. 				if(way!=LEFT)
  182. 					way=RIGHT;
  183. 				break;
  184. 			}
  185. 		}
  186. 	}
  187. 	return;
  188. }
  189.  
  190. void putfood(){
  191. 	
  192. 	if(empty){
  193. 		bool flag=true;
  194. 		srand(time(NULL));
  195. 		while(flag){
  196. 			food[0]=rand()%(X-2)+1;
  197. 			food[1]=rand()%(Y-2)+1;
  198. 			flag=false;
  199. 			for(unsigned int tc=0;tc<len;tc++)
  200. 				if(snake[tc][0]==food[0]&&snake[tc][1]==food[1])
  201. 					flag=true;
  202. 		}
  203. 		empty=false;
  204. 		color(14);
  205. 		gotoxy(food[0],food[1]);
  206. 		printf("◆");
  207. 	}
  208. 	return;
  209. }
  210.  
  211. void eatfood(){
  212. 	if(snake[0][0]==food[0]&&snake[0][1]==food[1]){
  213. 		empty=true;
  214. 		score++;
  215. 		if(wait>=MINTIME)
  216. 			wait-=0.5;
  217. 		if(len<MAXLEN)
  218. 			len++;
  219. 	}
  220. 	return;
  221. }
  222.  
  223. void gameover(){
  224. 	bool over=false;
  225. 	if(snake[0][0]==0||snake[0][0]==X-1||snake[0][1]==0||snake[0][1]==Y-1)
  226. 		over=true;
  227. 	for(int tc=1;tc<len;tc++)
  228. 		if(snake[0][0]==snake[tc][0]&&snake[0][1]==snake[tc][1])
  229. 			over=true;
  230. 	if(over==true){
  231. 		
  232. 		system("cls");
  233. 		
  234. 		while(kbhit()!=0)
  235. 			getch();
  236. 		
  237. 		printf("Game over!\n");
  238. 		printf("Score:%d\n",score);
  239. 		printf("Max score:%d\n",max_score);
  240. 		
  241. 		getch();
  242. 		system("cls");
  243. 		printf("Save...\n");
  244. 		
  245. 		if(score>max_score){
  246. 			fstream write;
  247. 			write.open("score.txt",ios::out);
  248. 			write<<score;
  249. 			write.close();
  250. 			max_score=score;
  251. 		}
  252. 		
  253. 		exit(0);
  254. 		
  255. 	}
  256. 	return;
  257. }
  258.  
  259. int main(){
  260. 	init();
  261. 	drawmap();
  262. 	_sleep(3000);
  263. 	while(true){
  264. 		clt();
  265. 		drawsnake();
  266. 		putfood();
  267. 		eatfood();
  268. 		getin();
  269. 		move();
  270. 		gameover();
  271. 		_sleep(int(wait));
  272. 	}
  273. 	return 0;
  274. }

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