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玫瑰花代码（c语言）

花匠小妙招
2024-10-31 19:19

#include <stdio.h>
#include <windows.h>?
#include <math.h>
#include <graphics.h>
#include <mmsystem.h>
#pragma comment(lib,"winmm.lib")
int rosesize = 500;
int h = -250;
struct DOT {
   double x;
   double y;
   double z;
   double r;
   double g;
};

bool calc(double a,double b,double c,DOT &d) {
double j, n, o, w, z;

   if (c > 60) { //花柄
       d.x = sin(a * 7)*(13 + 5 / (0.2 + pow(b * 4, 4))) - sin(b) * 50;
       d.y = b*rosesize + 50;
       d.z = 625 + cos(a * 7)*(13 + 5 / (0.2 + pow(b * 4, 4))) + b * 400;
       d.r = a * 1 - b / 2;
       d.g = a;
       return true;
   }
   double A = a * 2 - 1;
   double B = b * 2 - 1;
   if (A*A + B*B < 1) { //绿叶
       if (c > 37) {
           j = (int(c) & 1);
           n = j ? 6 : 4;
           o = 0.5 / (a + 0.01) + cos(b * 125) * 3 - a * 300;
           w = b * h;
           d.x = o * cos(n) + w * sin(n) + j * 610 - 390;
           d.y = o * sin(n) - w * cos(n) + 550 - j * 350;
           d.z = 1180 + cos(B + A) * 99 - j * 300;
           d.r = 0.4 - a * 0.1 + pow(1 - B * B, -h * 6) * 0.15 - a * b * 0.4 + cos(a + b) / 5 +
           pow(cos((o * (a + 1) + (B > 0 ? w : -w)) / 25), 30) * 0.1 * (1 - B * B);
           d.g = o / 1000 + 0.7 - o * w * 0.000003;
           return true;
       }

       if (c > 32) {
           c = c*1.16 - 0.15;
           o = a * 45 - 20;
           w = b * b * h;
           z = o * sin(c) + w * cos(c) + 620;
           d.x = o * cos(c) - w * sin(c);
           d.y = 28 + cos(B * 0.5) * 99 - b * b * b * 60 - z / 2 - h;
           d.z = z;
           d.r = (b * b * 0.3 + pow((1 - (A * A)), 7)*0.15 + 0.3)*b;
           d.g = b * 0.7;
           return true;
       }

       o = A*(2 - b)*(80 - c * 2);
       w = 99 - cos(A) * 120 - cos(b)*(-h - c * 4.9) + cos(pow(1 - b, 7)) * 50 + c * 2;
       z = o * sin(c) + w * cos(c) + 700;
       d.x = o * cos(c) - w * sin(c);
       d.y = B * 99 - cos(pow(b, 7)) * 50 - c / 3 - z / 1.35 + 450;
       d.z = z;
       d.r = (1 - b / 1.2) * 0.9 + a * 0.1;
       d.g = pow((1 - b), 20) / 4 + 0.05;
       return true;
   }

return false;
}

int main()
{
   int x, y, z, zBufferIndex;
   DOT dot;
   initgraph(640,480);//创建绘图窗口

   /*添加音乐*/
   mciSendString("open BadApple.mp3 alias BadApple", NULL, 0, NULL);
   mciSendString("play BAdApple", NULL, 0, NULL);

   setbkcolor(YELLOW);
   cleardevice();
   for (int j = 0; j < 2000; j++)// && !_kbhit()
   {
       for (int i = 0; i < 10000; i++)
           if (calc(double(rand()) / RAND_MAX, double(rand()) / RAND_MAX, rand() % 46 / 0.74, dot))
           {
               z = int(dot.z + 0.5);
               x = int(dot.x*rosesize / z - h + 0.5);
               y = int(dot.y*rosesize / z - h + 0.5);
               if (y > rosesize) continue;
               zBufferIndex = y*rosesize + x;
               {
                   int r = ~int((dot.r*h));

                                  int g = ~int((dot.g*h));
                   if (g < 0)g = 0;
                   if (g > 255)g = 255;

                   int b = ~int((dot.r*dot.r*-80));
                   if (b < 0)b = 0;
                   if (b > 255)b = 255;

                   putpixel(x + 50, y - 20, RGB(r, g, b));
               }
           }
       Sleep(100);
   }
   getchar();
   closegraph();
   return 0;
}