如何用C语言实现绘制玫瑰花的效果，代码是什么

c语言实现玫瑰花的方法：首先定义全局变量，并定义结构体；然后设置输出花柄、花柄、绿叶、花萼；最后创建绘图窗口，输出完整花朵。

c语言实现玫瑰花的方法：

#include stdio.h>
    
#include windows.h>
    ?
#include math.h>
    
#include graphics.h>
    
#include mmsystem.h>
    
#pragma comment(lib,"winmm.lib")
//定义全局变量
int rosesize = 500;
    
int h = -250;

//定义结构体
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) {
     //花萼
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;

}
    
 
//花朵
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()
{
    
short ?*zBuffer;
    
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();
    
zBuffer = new short[rosesize * rosesize];
    
memset(zBuffer, 0, sizeof(short) * rosesize * rosesize);
    
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;
    
if (!zBuffer[zBufferIndex] || zBuffer[zBufferIndex] >
 z)
{
    
zBuffer[zBufferIndex] = z;
    
//画点
int r = ~int((dot.r*h));
    
?
if (r  0)r = 0;
    
?
if (r >
     255)r = 255;
    
 
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);

}
    
delete[]zBuffer;
    
getchar();
    
closegraph();
    
return 0;

}