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Tile Map Collision - TileData vs. Colliders

Started by ChristOwnsMe Oct 9, 2013 at 10:52 PM 1 replies 2.1k views

Original Post

Oct 9, 2013 at 10:52 PM

Hello. I have a large tile map(8400x2400) and am streaming the tile data around the player as he moves around(no collision yet, so just a camera). I am debating between using colliders on the tiles that are within a small radius around the player, or any object that can collide with terrain. Are there any advantages to dynamically adding and removing colliders to tiles for collision vs. having all of your collision logic be based around the "solid" tile data of a tile?

I am using Unity, so it is very easy to have the collider logic work for entities with a rigid body. I would just like everyones input. Thank you!

Khatharr

Oct 10, 2013 at 4:46 AM

You'd probably want to go with passability data for each tile, and just stream it along with the other tile info. Constantly generating and destroying objects for the sole purpose of map collision is really not very efficient. If your tile interactions aren't hugely complex then you could probably just use a uint for each tile and treat it as a mask that describes the tile's passability.

Goran Milovanovic

Oct 12, 2013 at 12:08 AM

I don't know, but I think you should implement the most straightforward algorithm you can think of, and if that performs well, then you can consider that to be the best solution.

I reason that software development is largely about managing complexity, so try to introduce as little as you possibly can, while satisfying the specification in question.

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