unscaleVector method

@override Vector2 unscaleVector(Vector2 screenCoordinates)

Converts a vector representing a delta in the screen space to the world space.

This considers only the scaling transformation, as the translations are cancelled in a delta transformation. A delta can be a displacement (difference between two position vectors), a velocity (displacement over time), etc.

Implementation

@override
Vector2 unscaleVector(Vector2 screenCoordinates) {
  return _components.reversed.fold(
    screenCoordinates,
    (previousValue, element) => element.unscaleVector(previousValue),
  );
}