#include
#include
#include
#define PI 3.14159265359
float sx, sy;
float sdCircle(float px, float py, float r) {
float dx= px- sx, dy = py-sy;
return sqrtf(dx*dx+dy* dy)- r;
}
float opUnion(float d1, float d2) { #define T px + scale * r* cosf(theta), py + scale * r * sin(theta) float f(float px, float py, float theta, float scale, int n){ return d;} int main(int argc, char* argv[])
return d1
float d= 0.0f;
for (float r= 0.0f; r< 0.8f;r += 0.02f)
d = opUnion(d, sdCircle(T, 0.05f * scale * (0.95f - r)));
if (n>0)
for (int t = -1;t<=1; t+=2){
float tt = theta+t* 1.8f;
float ss = scale * 0.9f;
for (float r= 0.2f; r< 0.8f; r +=0.1f) {
d = opUnion(d, f(T, tt, ss * 0.5f, n- 1));
ss *= 0.8f;}}
{
int n=argc > 1 ?atoi(argv[1]) : 3;
system ("color 02");
for (sy = 0.8f; sy > 0.0f; sy -= 0.02f, putchar('\n'))
for (sx = -0.35f;sx< 0.35f; sx += 0.01f)
putchar(f(0, 0, PI * 0.5f, 1.0f, n)< 0 ?'*':' ');
}