C++绘制玫瑰

哈哈哈，因为情人节到了，本想网上百度一份C++绘制玫瑰的程序，发现网上确实有，但是在windows系统下会依赖一些库，感觉不够人性化，索性自己改了一份，不依赖任何外部库，下面直接贴代码！

#include <stdio.h>

#include <windows.h>

#include <math.h>

#include <mmsystem.h>

#include <iostream>

#include <string>

#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)

{

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)

{

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()

{

std::string print_data[10];

print_data[0] = "亲爱的**：";

print_data[1] = " 情人节快乐！********************，";

print_data[2] = "**************************************";

print_data[3] = "**************************************";

print_data[4] = "****************！";

print_data[5] = " 爱你的**";

for (int i = 0; i < 6; i++)

{

for (int j = 0; j < print_data[i].length(); j++)

{

std::cout << print_data[i][j];

Sleep(100);

}

std::cout << std::endl;

}

short* zBuffer;

int x, y, z, zBufferIndex;

DOT dot;

mciSendString("open BadApple.mp3 alias BadApple", NULL, 0, NULL);

mciSendString("play BAdApple", NULL, 0, NULL);

zBuffer = new short[rosesize * rosesize];

memset(zBuffer, 0, sizeof(short) * rosesize * rosesize);

HWND hwnd = GetForegroundWindow();

HDC hdc = GetDC(hwnd);

BYTE b, g, r, rgb;

for (int j = 0; j < 2000; j++)

{

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;

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;

SetPixel(hdc, x-60, y + 100, RGB(r, g, b));

}

}

Sleep(5);

}

delete[]zBuffer;

return 0;

}

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