贪吃蛇 C语言实现代码

C语言实现贪吃蛇

#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#include<conio.h>
#include<Windows.h>
#define FRAME 3
#define INFO 50
#define WIDTH 40
#define LENGTH 25
void setColor(int x, int y)
{HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);WORD word = x + y * 0x10;SetConsoleTextAttribute(handle, word);
}
void setPosition(int x, int y)
{HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);COORD coord = { x,y };SetConsoleCursorPosition(handle, coord);
}
typedef struct _snake {int x[50];int y[50];int speed;int count;int length;
}Snake;
typedef struct _food {int x;int y;
}Food;
Snake snakeArray[2] = {{ { FRAME + 4 },{ FRAME + 4 },170,0,3 },{ { FRAME + 4 },{ FRAME + 4 },170,0,3 }
};
Food foodArray;
Snake* snake;
Food* food;
int i, j;
int deCoord[2];
int Time = 120;
void start()
{char  ch;int X = FRAME, Y = FRAME + 4;setPosition(FRAME, FRAME);printf("方向键移动光标，回车键确定(游戏前请关闭输入法!!!!)");setPosition(FRAME * 5, FRAME * 4);printf("kawayi90hou     贪吃蛇1.0");while (1){setPosition(FRAME, FRAME + 4);if (X == FRAME&&Y == FRAME + 4)setColor(0, 10);printf("开始游戏");setColor(10, 0);setPosition(FRAME, FRAME + 6);if (X == FRAME&&Y == FRAME + 6)setColor(0, 10);printf("结束游戏");ch = getch();if (ch == 80)Y += 2;if (ch == 72)Y -= 2;if (Y < FRAME + 4)Y = FRAME + 6;if (Y > FRAME + 6)Y = FRAME + 4;if (ch == '\r'){switch (Y){case FRAME + 4:system("cls");//清屏    break;case FRAME + 6:exit(0);break;}return;}}
}
void InitSnake()
{snake = &snakeArray[0];food = &foodArray;for (i = 1; i < snake->length; i++){snake->x[i] = snake->x[i - 1] + 2;snake->y[i] = snake->y[i - 1];}
}
void printSnake()
{for (i = 0; i < snake->length; i++){setPosition(snake->x[i], snake->y[i]);if (i == 0)printf("◆"); //★●■    else if (i == snake->length - 1)printf("■");else printf("●");}
}
void Map()
{for (i = 0; i < WIDTH + 1; i += 2){setPosition(FRAME + i, FRAME);printf("■");setPosition(FRAME + i, FRAME + LENGTH);printf("■");}for (i = 0; i < LENGTH + 1; i++){setPosition(FRAME, FRAME + i);printf("■");setPosition(FRAME + WIDTH, FRAME + i);printf("■");}setColor(13, 0);setPosition(INFO - 1, 2);printf("游戏说明：");setPosition(INFO, 4);printf("按方向键控制移动");setPosition(INFO, 5);printf("长按移动键可以加速");setPosition(INFO, 6);printf("时间为0时游戏结束");setPosition(INFO, 7);printf("按空格键暂停");
}
void moveSnake()
{setPosition(snake->x[0], snake->y[0]);printf(" ");for (i = 1; i < snake->length; i++){snake->x[i - 1] = snake->x[i];snake->y[i - 1] = snake->y[i];}
}
void printFood()
{srand(time(NULL));food->x = 2 * (rand() % (WIDTH - 4) / 2) + FRAME + 2;//必须保证所得的x坐标为偶数    food->y = 2 * (rand() % (LENGTH - 2) / 2) + FRAME + 1;for (i = 0; i < snake->length; i++){if (food->x == snake->x[i] && food->y == snake->y[i]){printFood();//重新随机产生一个食物    }}if (i == snake->length){setPosition(food->x, food->y);printf("★");return;//原来的食物被移动函数自带的空格符号清除    }
}
void eatFood()
{if (snake->x[snake->length - 1] == food->x&&snake->y[snake->length - 1] == food->y){snake->length++;for (i = snake->length - 1; i > 0; i--)//要不包括蛇头    {snake->x[i] = snake->x[i - 1];snake->y[i] = snake->y[i - 1];}snake->x[0] = deCoord[0];//蛇尾坐标倒退一位    snake->y[0] = deCoord[1];snake->count++;if (snake->count % 3 == 0)snake->speed -= 20;printFood();}
}
int ifDead()
{if (snake->x[snake->length - 1] == FRAME || snake->x[snake->length - 1] == FRAME + WIDTH)return 0;if (snake->y[snake->length - 1] == FRAME || snake->y[snake->length - 1] == FRAME + LENGTH)return 0;for (i = 0; i < snake->length - 1; i++){if (snake->x[snake->length - 1] == snake->x[i] && snake->y[snake->length - 1] == snake->y[i])return 0;}return 1;
}
void Info()
{//用来获取程序运行的时间    setColor(11, 0);setPosition(INFO - 1, 15);printf("贪吃蛇信息：");setPosition(INFO, 17);printf("速度：%d", snake->speed);setPosition(INFO, 18);printf("长度：%d", snake->length);setPosition(INFO, 19);printf("分数：%d", snake->count);setColor(14, 0);setPosition(INFO - 1, 21);printf("剩余时间：%d", Time);
}
int main()
{char key;setColor(10, 0);start();InitSnake();//定义的计时变量  clock_t start, end;start = clock();Map();Info();printSnake();printFood();key = getch();while (1){deCoord[0] = snake->x[0];//在吃掉食物前的一个坐标    deCoord[1] = snake->y[0];j = 0;if (kbhit()){key = getch();if (kbhit()){Sleep(20);j = 1;}}switch (key){case 72:moveSnake();snake->y[snake->length - 1]--;break;case 80:moveSnake();snake->y[snake->length - 1]++;break;case 75:moveSnake();snake->x[snake->length - 1] -= 2;break;case 77:moveSnake();snake->x[snake->length - 1] += 2;break;}printSnake();eatFood();end = clock();//要在程序执行到的那一刻用这个函数  Time = 120 - (end - start) / CLOCKS_PER_SEC;Info();if (j == 1)Sleep(20);else Sleep(snake->speed);if (ifDead() == 0 || snake->speed == 0){setColor(12, 0);if (ifDead() == 0){setPosition(FRAME + 12, LENGTH / 2);printf("G A M E O V E R");}if (snake->speed == 0){setPosition(FRAME + 6, LENGTH / 2);printf("GONGRATULATIONS");}setPosition(FRAME + 8, LENGTH / 2 + 1);printf("1:继续  2:重来  3:退出");key = getch();if (key == '1' || key == '2'){system("cls");setColor(10, 0);if (key == '2') snakeArray[0] = snakeArray[1];InitSnake();Map();Info();printSnake();printFood();key = getch();continue;}if (key == '3') break;}}return 0;
}

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