【C语言】Linux 飞翔的小鸟

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>

#define BIRD "o"
#define WIDTH 80
#define HEIGHT 20

void moveBird(int *x, int *y) {
    static int direction = 1;
    // Generate a random number to change the direction
    if (rand() % 100 == 0) {
        direction *= -1;
    }
    // Move the bird
    *x += direction;
    // Boundary checking
    if (*x < 0 || *x >= WIDTH) {
        direction *= -1;
        *x += direction;
    }
    (*y)++; // Update the y-coordinate to simulate downward movement
    if (*y >= HEIGHT) {
        *y = 0; // Reset the y-coordinate to start from the top again
    }
}

int main() {
    srand(time(0)); // Seed the random number generator
    int x = WIDTH / 2, y = HEIGHT / 2; // Initial position of the bird

    // Clear the screen
    system("clear");

    while (1) {
        // Move the bird
        moveBird(&x, &y);

        // Print the screen
        system("clear");
        for (int i = 0; i < HEIGHT; i++) {
            for (int j = 0; j < WIDTH; j++) {
                if (i == y && j == x) {
                    printf("%s", BIRD); // Print the bird
                } else {
                    printf(" "); // Print a space
                }
            }
            printf("\n");
        }

        // Sleep for a short duration before the next iteration
        usleep(100000); // 0.1 seconds
    }

    return 0;
}