Unity3D and Raycasts in a 2D Scene

Note to self: When using RaycastHit2D in Unity make sure that the GameObjects you’re attempting to collide with have a Rigidbody component or those rays are going to shoot right on through!  In a 2D scene where you’re not bothered about gravity its helpful to make those Rigid bodies kinematic as well else they’ll fall to nowhere. #stilllearning

An example detecting a GameObject located below a touch event:

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