c语言如何实现玫瑰花

c语言实现玫瑰花的方法：

#include

#include ?

#include

#include

#include

#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;

}