Function set_origin

set_origin(obj: GameObject, x: number, y: number): GameObject | undefined
Set the origin in which all position related will be relative to. In other words, the anchor of the object. Mutate the object.
Parameters
- obj: GameObject
  object to be set
- x: number
  new anchor x coordinate, between value 0 to 1.
- y: number
  new anchor y coordinate, between value 0 to 1.
Returns GameObject | undefined
game object itself