Function
bezier
(pt1: Vec2, pt2: Vec2, pt3: Vec2, pt4: Vec2): (t: number) => Vec2A second order function returning an evaluator for the given 2D quadratic Bezier curve
param
pt1- First point
param
pt2- First control point
param
pt3- Second control point
param
pt4- Second point
returns
A function which gives the value on the 2D quadratic Bezier curve at t