Implement Navigation Meshes

[awest03]

This stack exchange post looks like a good resource: https://gamedev.stackexchange.com/questions/38721/how-can-i-generate-a-navigation-mesh-for-a-tile-grid

[awest03]

Useful presentation, brings it to basics:

https://www.youtube.com/watch?v=IV7oT-EXHHg

[awest03]

At this point navmeshes for non-grid based environments aren't something that I need, however I may look into something like this in the future if optimisation is needed:

• https://wynnliam.github.io/alexander/2019/12/05/flowfields.html