[general]
name = Helix;
comments = Circled Helicoid;
a1_min = 0;
a1_max = 360;
a1_steps = 30;
a2_min = 0; 
a2_max = 2;
a2_steps = 80;

[param]
name = a;
title = Outer Radius;
default = 1;
min = 0.01;
max = 10;

[param]
name = s;
title = Scale;
default = 0;
min = -2;
max = 2;

[param]
name = b;
title = Inner Radius;
default = 0.1;
min = 0.01;
max = 10;

[param]
name = d;
title = Falloff;
default = 0;
min = -1;
max = 1;

[param]
name = h;
title = Spacing;
default = 0.2;
min = 0.01;
max = 10;

[param]
name = c;
title = Profile;
default = 0;
min = -90;
max = 90;



[formula]
cc = -clamp(-90,90,c);
bb = b * (1 + d * A2);
f = (a + 2 * s * b * A2) + bb * cos(A1);
g = bb * sin(cc) * sin(A1);
k = bb * cos(cc) * sin(A1);
v = deg(A2 * 2 * pi);

X = f * cos(v) - g * sin(v);
Y = k + h * 2 * A2;
Z = f * sin(v) + g * cos(v);

[preset]
name = default;
a = 1;
s = 0;
b = 0.1;
d = 0;
h = 0.2;
c = 0;
a1_min = 0;
a1_max = 360;
a1_steps = 30;
a2_min = 0; 
a2_max = 2;
a2_steps = 80;