More talk prep. Gonna have another go at persuading people to cut their tiles along the dual grid instead of the main grid. I genuinely don't understand if this is rare because people don't know about it or if there is some drawback I'm not seeing.
Most gameplay logic (like collision and navigation) should still happen on the main grid. And all object-like sprites, like characters, houses, etc, should also go on the main grid.
The 3 fundamental features of any tile based system are Houses, Rivers and Roads.
Again. You should definitely keep both concepts around in your code. Most gameplay will still happen on the main grid. The dual grid is mostly for field-like background tilesets
Correction: The 4 fundamental features are Fields, Houses Rivers and Roads. I forgot Fields, which is ironic since that's what the rest of the thread is about. Terrain is a type of Field.
Ironically, according to this typology, the houses in Townscaper are all made of Field, not House.
A long time ago I started a project with tiles on edges, verts and faces of a hex grid. So like a dual grid and a main grid at the same time. I didn't have the skills needed to make it feasible back then, but it's a solid idea that might be worth another go sometime in the future
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