圣诞将至—C语言圣诞树代码来啦

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文章目录

圣诞将至—C实现语言圣诞树
源码

圣诞将至—C实现语言圣诞树

圣诞树

在这里插入图片描述

源码

#define _CRT_SECURE_NO_WARNINGS#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <windows.h>
#include <time.h>
#define PI 3.14159265359
char love[20][43] = {"111111111111111111111111111111111111111111","111111111111110000111111100001000111111111","110000000000000000011111100011000111111111","110000111001110001111111000110001111111111","111100010000110000111111100011000000000011","111100001000100011111110000100011111100011","100000000000000000001110000100011111000111","100000000000000000011100000000110001000111","100011100011111000110000000000110001111111","111011100011111100111111000111110001111111","111000000000000000111111000110000000001111","111111000111111111111111000110000000000111","111110001111111111111111000100010001000111","111000000000000001111111000000010001100011","111000000011000011111111000000110001100001","110001110000000111111111000001110001110111","100011111000011111111111000111110001111111","111110000000000000011111000111000001111111","111000000111110000011111000111000011111111","111111111111111111111111111111111111111111"
};void gotoxy(int x, int y)
{HANDLE hout = GetStdHandle(STD_OUTPUT_HANDLE);COORD pos = { x,y };SetConsoleCursorPosition(hout, pos);
}void SetColor(int color)
{if (color == 0)color = 0x04;HANDLE hCon = GetStdHandle(STD_OUTPUT_HANDLE);SetConsoleTextAttribute(hCon, color);
}void showsnow()
{SetColor(rand() % 16);int x = rand() % 120;int y = rand() % 40;gotoxy(x, y);putchar('*');
}float sx, sy;
float sdCircle(float px, float py, float r)
{float dx = px - sx, dy = py - sy;return sqrtf(dx * dx + dy * dy) - r;
}
float opUnion(float d1, float d2)
{return d1 < d2 ? d1 : d2;
}
#define T px+scale*r*cosf(theta),py+scale*r*sin(theta)
int ribbon()
{float x = (fmodf(sy, 0.1f) / 0.1f - 0.5f) * 0.5f;return sx >= x - 0.05f && sx <= x + 0.05f;
}
float f(float px, float py, float theta, float scale, int n)
{float d = 0.0f;for (float r = 0.0f; r < 0.8f; r += 0.02f)d = opUnion(d, sdCircle(T, 0.05f * scale * (0.95 - r)));if (n > 0)for (int t = -1; t <= 1; t += 2){float tt = theta + t * 1.8f;float ss = scale * 0.9f;for (float r = 0.2f; r < 0.8f; r += 0.1f){d = opUnion(d, f(T, tt, ss * 0.5f, n - 1));ss *= 0.8f;}}return d;
}int main(int argc, char* argv[])
{system("mode con cols=120 lines=42");srand((int)time(NULL));SetConsoleCP(437);SetConsoleOutputCP(437);int n = argc > 1 ? atoi(argv[1]) : 3;float zoom = argc > 2 ? atof(argv[2]) : 1.0f;for (sy = 0.8f; sy > 0.0f; sy -= 0.02f / zoom, putchar('\n')){for (sx = -0.35f; sx < 0.35f; sx += 0.01f / zoom){if (f(0, 0, PI * 0.5f, 1.0f, n) < 0.0f){if (sy < 0.1f){SetColor(rand() % 16);putchar('\3');}else {if (ribbon()) {putchar('=');}else {SetColor(rand() % 16);putchar('\3');}}}else {putchar(' ');}}}int i, j;int x, y = 3;for (i = 0; i < 19; i++, y++){x = 60;for (j = 0; j < 42; j++, x++){gotoxy(x, y);if (love[i][j] == '1'){putchar(' ');}else {SetColor(0x06);putchar('*');}}}for (n = 0; n++ < 365;){showsnow();}gotoxy(0, 40);getchar();return 0;
}