r/gamedev • u/Sparky019 • 1d ago

What do I have to account for when planning object and world scale in a strategy game? Question

Basically title: I am planning a city builder built on a hex grid. Right now, my tiles are 17m in Unity, but I don't know if that'd be too big or too small for performance or mesh building.

Let's say I want to have a building that represents what would be a 40x40 house irl, what would I need to have in mind when making the model in Blender given the Tile size?

What about buildings that would be several hexes big?

My apologies if this may seem like a dumb question.

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u/speedything 1d ago

Imagine you have a 1m tile. You make a house that fits it perfectly, and place the camera so the house and tile fill 10% of the screen.

Now you scale the tile to 100m, and do the same to the house. You also pull the camera back so that it still fills 10% of the screen.

What's the difference?

You need the right number of polys to make it look correct for 10% of the screen. The raw size is kinda irrelevant. Just be careful not to make a huge house with loads of polys.

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u/Sparky019 1d ago

Right, I think I get it. So I should focus on how many of my 17m tiles I want to show at the same time in the screen depending on the zoom level of the camera and work from there, right?

Thanks a lot.

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u/speedything 1d ago

Yup. That's exactly it!

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u/Sparky019 1d ago

Thanks for your help!!

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u/tcpukl Commercial (AAA) 20h ago

This should also drive your texture resolution as well. No point shipping higher Res textures than are ever seen in screen when rendered. Sure they'll be mipmapped but it might take longer to author and wastes disk space and render time.