玫瑰花—（C语言）

代码用到了图形库，有音乐。

如果头文件有这个，#include ，编译时会显示一个错误，

原因是graphics.h是Tc中专有的，这个头文件不是标准C的头文件，vc下没有这个头文件，画图用控件来。还是有办法在vc下用的，就是把这个头文件和相关文件放在相应的lib和include目录下，有人制作了一个软件包， EasyX_2011惊蛰版http://www.easyx.cn，里面有头文件和安装方法。安装之后就可以运行了。

图片是渐变的：

 最终会变成一个鲜艳的玫瑰花：

代码如下： 

#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;


}