Hex Map Area Borders

Today we're going to learn how to create a nice border around the perimeter of an area in a hex map using Unity and a LineRenderer. Here I have it as a dotted purple line but you can make it look like anything you want with the flexibility of the line renderer!The foundation of the hex code here is adapted from the Hex Map Series by Catlike Coding which has been super helpful for getting started. So if there's any bits of code I missed here it's likely from there, but please let me know in the comments if you're getting stuck or confused anywhere. First up we'll need a little background code f…

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Minimizing string GC in Unity

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An easy trap to fall into when you're starting out in Unity is creating strings each frame in your update loop.  Say you have score that can change from a bunch of things: eliminating foes, jumping on a block, collecting a ring, or just existing. Whatever floats your boat.  Then in your score updater component you just do: void Update(){ textComponent.text = "Score: " + score.ToString(); }Easy and done.  Problem is, you're now creating a string (which are immutable in C# and allocate memory) each frame.  This will really add up and create lots of garbage which will need collecting.The U…

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