8
votes
2answers
341 views

Diagonal line of sight with two corners

Right now I'm using Bresenham's line algorithm for line of sight. The problem is I've found an edge case where players can look through walls. Occurs when the player looks between two corners of a ...
1
vote
1answer
147 views

Quick 3D sight calculation algorithm

I have a tile based board game where units move in 3D space on a 2D isometric view. When calculating attack tiles for a unit, how do I verify that they aren't shooting through a wall or a level too ...
3
votes
1answer
410 views

How to calculate FOV with four-walled tiles?

I'm working on a 2D tile-based game. I'm trying to calculate FOV and I've implemented walls so they don't take up an entire tile. Instead, they just take up a side of each tile. Similar to: class ...
9
votes
4answers
1k views

Finding unoccluded tiles in tile-based game

I am working on a 2D tile-based game, and right now I'm trying to get a 2d equivalent of shadow volumes to work. I'm having trouble finding the surfaces that should cast shadows. From any point in the ...