Function centroid

centroid(out, a, b, c): Vec2
Compute centroid of a triangle spanned by vectors a,b,c. See http://easycalculation.com/analytical/learn-centroid.php
Parameters
- out: Vec2
- a: Vec2
- b: Vec2
- c: Vec2
Returns Vec2
The "out" vector.
- Defined in math/vec2.ts:169