//花
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.red =(1- b /1.2)*0.9+ a *0.1;
d.green = pow((1- b),20)/4+0.05;
voidputpixel(
int x,
int y,
COLORREF color
);
putpixel(x + 50, y - 20, RGB(red, green, blue));
// 画点int red = ~int((dot.red * h));
if (red < 0)
red = 0;
if (red > 255)
red = 255;
int green = ~int((dot.green * h));
if (green < 0)
green = 0;
if (green > 255)
green = 255;
int blue = ~int((dot.red * dot.red * -80));
if (blue < 0)
blue = 0;
if (blue > 255)
blue = 255;
显示界面:
全体代码展现
#include<graphics.h>#include<conio.h>#include<math.h>// 界说全局变量int rosesize = 500;
int h = -250;
// 界说结构体structDOT
{
double x;
double y;
double z;
double red; // 红色double green; // 绿色// blue(蓝色)经过red核算
};
// 核算点boolcalc(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.red = a * 1 - b / 2;
d.green = a;
returntrue;
}
double A = a * 2 - 1;
double B = b * 2 - 1;
if (A * A + B * B < 1)
{
if (c > 37) // 叶
{
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.red = 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.green = o / 1000 + 0.7 - o * w * 0.000003;
returntrue;
}
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.red = (b * b * 0.3 + pow((1 - (A * A)), 7) * 0.15 + 0.3) * b;
d.green = b * 0.7;
returntrue;
}
// 花
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.red = (1 - b / 1.2) * 0.9 + a * 0.1;
d.green = pow((1 - b), 20) / 4 + 0.05;
returntrue;
}
returnfalse;
}
// 主函数intmain(){
// 界说变量short* zBuffer;
int x, y, z, zBufferIndex;
DOT dot;
// 初始化initgraph(640, 480); // 创立绘图窗口setbkcolor(WHITE); // 设置背景色为白色cleardevice(); // 清屏// 初始化 z-buffer
zBuffer = newshort[rosesize * rosesize];
memset(zBuffer, 0, sizeof(short) * rosesize * rosesize);
for (int j = 0; j < 2000 && !_kbhit(); j++) // 按任意键退出
{
for (int i = 0; i < 10000; i++) // 削减是否有按键的判别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 red = ~int((dot.red * h));
if (red < 0)
red = 0;
if (red > 255)
red = 255;
int green = ~int((dot.green * h));
if (green < 0)
green = 0;
if (green > 255)
green = 255;
int blue = ~int((dot.red * dot.red * -80));
if (blue < 0)
blue = 0;
if (blue > 255)
blue = 255;
putpixel(x + 50, y - 20, RGB(red, green, blue));
}
}
Sleep(1);
}
// 退出delete[]zBuffer;
//getch();closegraph();
}