Nice and simple, though can be broken a bit by hovering over the cow catcher of the train and just holding the mouse. I assume the train hit box keeps swiveling with the graphic causing it to assume it is being selected and deselected rapidly.
Hey I was just wondering, if you have a youtube channel. It would help a lot if you made a video on my game taco shooter remastered. Game: https://coolgamesco.itch.io/taco-shooter-remasteredv2-0