Function clamp

clamp(v, min?, max?, dst?): Vec2
Clamp each element of vector between min and max
Parameters
- v: Vec2
  Operand vector.
- min: number = 0
  Max value, default 1
- max: number = 1
  Min value, default 0
- Optional dst: Vec2
  vector to hold result. If not passed in a new one is created.
Returns Vec2
A vector that the clamped value of each element of v.