Draw Controller - Version 1

DrawControllerV1.cs

public class DrawController : MonoBehaviour
{
    // ...

    private void AddShapeVertex(Vector2 position)
    {
        if (CurrentShapeToDraw == null) {
            // ...
        } else {
            if (IsDrawingShape) {
                CurrentShapeToDraw.AddVertex(position);
            } else {
                CurrentShapeToDraw.SimulatingPhysics = true;
                CurrentShapeToDraw = null;
            }
        }
    }
    
    // ...
}