ifsrenderer-linux / Transforms / Loonie.ifstf

@Name: Loonie
@Version: 1.0

@Radius: 1
@Strength: 1

float r2 = @Radius * @Radius;
float p2 = dot(p, p);
float r = 1.0;
if (p2 < r2)
	r = sqrt(r2 / p2 - @Strength);
return r * p;