float h(float x, float z) {
for (float y = 1.0f; y >= 0.0f; y -= 0.001f)
if (f(x, y, z) <= 0.0f)
return y;
return 0.0f;
}
int main() {
HANDLE o = GetStdHandle(STD_OUTPUT_HANDLE);
_TCHAR buffer[25][80] = { _T(' ') };
_TCHAR ramp[] = _T(".:-=+*#%@");
for (float t = 0.0f;; t += 0.1f) {
int sy = 0;
float s = sinf(t);
float a = s * s * s * s * 0.2f;
for (float z = 1.3f; z > -1.2f; z -= 0.1f) {
_TCHAR* p = &buffer[sy++][0];
float tz = z * (1.2f - a);
for (float x = -1.5f; x < 1.5f; x += 0.05f) {
float tx = x * (1.2f + a);
float v = f(tx, 0.0f, tz);
if (v <= 0.0f) {
float y0 = h(tx, tz);
float ny = 0.01f;
float nx = h(tx + ny, tz) - y0;
float nz = h(tx, tz + ny) - y0;
float nd = 1.0f / sqrtf(nx * nx + ny * ny + nz * nz);
float d = (nx + ny - nz) * nd * 0.5f + 0.5f;
*p++ = ramp[(int)(d * 5.0f)];
}
else
*p++ = ' ';
}
}
for (sy = 0; sy < 25; sy++) {
COORD coord = { 0, sy };
SetConsoleCursorPosition(o, coord);
WriteConsole(o, buffer[sy], 79, NULL, 0);
}
Sleep(33);
}
}
5.心形小程序
#include<stdio.h>
#include<math.h>
#include<windows.h>
#include<time.h>
#include<stdlib.h>
void SetColor(unsigned short ForeColor,unsigned short BackGroundColor)
{
HANDLE hCon=GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleTextAttribute(hCon,(ForeColor%16)|(BackGroundColor%16*16));
}
int main()
{
float x,y;
int s=0,n,i,j;
for(i = 1;i <= 50;i++)
{
SetColor(0,14);
printf(" ");
printf("%d%%",2*i);
Sleep(101-2*i);
printf("\b\b\b");
}
SetColor(15,0);
printf("\b\n加载完成！即将进入：");
Sleep(2000);
system("cls");
do
{
system("color 0E");
for(i=0;i<=56;i++)
{
if(i>=20){printf("*");Sleep(10);}
else printf(" ");
}printf("\n");
for(i=0;i<=56;i++)
{
if(i>=20){printf("*");Sleep(10);}
else printf(" ");
}
printf("\n\t\t\t你想要怎样的心形：\n");
printf("\n\t\t\t1：由love组成的心形！\n");
printf("\n\t\t\t2：由随机字符组成的心形！\n");
printf("\n\t\t\t3：由随机数字组成的心形！\n");
printf("\n\t\t\t4：由随机颜色组成的心形！\n");
printf("\n\t\t\t5：退出！\n");
for(i=0;i<=56;i++)
{
if(i>=20){printf("*");Sleep(10);}
else printf(" ");
}printf("\n");
for(i=0;i<=56;i++)
{
if(i>=20){printf("*");Sleep(10);}
else printf(" ");
}
printf("\n\t\t\t");
srand(time(NULL));
scanf("%d",&n);
system("cls");
switch(n)
{
case 1:
for(x=1.3;x>=-1.1;x-=0.1)
{ for(y=-2;y<=1.4;y+=0.053)
{
if(pow(x*x+y*y-1,3)-x*x*x*y*y<=0)
{
s++;
if(s%4==1)printf("l");
if(s%4==2)printf("o");
if(s%4==3)printf("v");
if(s%4==0)printf("e");
Sleep(2);
}
else
printf(" ");
}
printf("\n");
}
printf("绘制完成，按任意键返回主页面！");break;
case 2: for(x=1.3;x>=-1.1;x-=0.1)
{ for(y=-2;y<=1.4;y+=0.053)
{
if(pow(x*x+y*y-1,3)-x*x*x*y*y<=0)
{
printf("%c",rand()%10+rand()%10+97);
Sleep(2);
}
else
printf(" ");
}
printf("\n");
}
printf("绘制完成，按任意