编写贪吃蛇游戏需要涉及到以下几个步骤:
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1、初始化游戏界面
2、绘制蛇和食物
3、控制蛇的移动
4、检测蛇是否吃到食物
5、检测蛇是否撞到自己或者墙壁
6、更新游戏状态
下面是一个简单的C语言实现贪吃蛇游戏的代码:
#include <conio.h> #include <stdio.h> #include <stdlib.h> #include <time.h> #include <windows.h> #define WIDTH 50 #define HEIGHT 25 int snake_x[WIDTH * HEIGHT], snake_y[WIDTH * HEIGHT]; int food_x, food_y; int snake_length; int direction; void init() { srand(time(NULL)); snake_length = 3; for (int i = 0; i < snake_length; i++) { snake_x[i] = WIDTH / 2 i; snake_y[i] = HEIGHT / 2; } direction = 0; food_x = rand() % WIDTH; food_y = rand() % HEIGHT; } void draw() { system("cls"); for (int y = 0; y < HEIGHT; y++) { for (int x = 0; x < WIDTH; x++) { if (x == 0 || x == WIDTH 1 || y == 0 || y == HEIGHT 1) { printf("#"); } else if (x == food_x && y == food_y) { printf("*"); } else { int is_snake = 0; for (int i = 0; i < snake_length; i++) { if (x == snake_x[i] && y == snake_y[i]) { is_snake = 1; break; } } if (is_snake) { printf("o"); } else { printf(" "); } } } printf(" "); } } void update() { int prev_x = snake_x[0], prev_y = snake_y[0]; int prev2_x, prev2_y; if (direction == 0) { snake_y[0]; } else if (direction == 1) { snake_x[0]++; } else if (direction == 2) { snake_y[0]++; } else if (direction == 3) { snake_x[0]; } for (int i = 1; i < snake_length; i++) { prev2_x = snake_x[i]; prev2_y = snake_y[i]; snake_x[i] = prev_x; snake_y[i] = prev_y; prev_x = prev2_x; prev_y = prev2_y; } if (snake_x[0] == food_x && snake_y[0] == food_y) { snake_length++; food_x = rand() % WIDTH; food_y = rand() % HEIGHT; } } int is_game_over() { if (snake_x[0] == 0 || snake_x[0] == WIDTH 1 || snake_y[0] == 0 || snake_y[0] == HEIGHT 1) { return 1; } for (int i = 1; i < snake_length; i++) { if (snake_x[0] == snake_x[i] && snake_y[0] == snake_y[i]) { return 1; } } return 0; } void input() { if (_kbhit()) { char ch = _getch(); if (ch == 'w' && direction != 2) { direction = 0; } else if (ch == 'd' && direction != 3) { direction = 1; } else if (ch == 's' && direction != 0) { direction = 2; } else if (ch == 'a' && direction != 1) { direction = 3; } } } int main() { init(); while (!is_game_over()) { draw(); input(); update(); Sleep(100); } printf("Game Over! "); return 0; }
这个代码实现了一个简单的贪吃蛇游戏,你可以在Windows系统上的C编译器中运行这个代码,游戏中,你可以使用W、A、S、D键来控制蛇的移动方向。
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