void powN()

in src/Algorithm/fractals.c [392:405]

• 12 lines of code
• 1 McCabe index (conditional complexity)

void powN(float p, inout vec3 z, float zr0, inout float dr)
{
    float zo0 = asin(z.z / zr0);
    float zi0 = atan(z.y, z.x);
    float zr = pow(zr0, p - 1.0);
    float zo = zo0 * p;
    float zi = zi0 * p;
    float czo = cos(zo);

    dr = zr * dr * p + 1.0;
    zr *= zr0;

    z = zr * vec3(czo * cos(zi), czo * sin(zi), sin(zo));
}