用c 语言编写爱心的源代码,c语言写出来的“心形”

#include

#include

#include

#include

float f(float x, float y, float z) {

float a = x * x + 9.0f / 4.0f * y * y + z * z - 1;

return a * a * a - x * x * z * z * z - 9.0f / 80.0f * y * y * z * z * z;

}

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);

}

}