2
votes
2answers
1k views

XNA 2D line-of-sight check

I'm working on a top-down shooter in XNA, and I need to implement line-of-sight checking. I've come up with a solution that seems to work, but I get the nagging feeling that it won't be efficient ...
11
votes
1answer
2k views

Draw real time fog of war in 2d game [duplicate]

I have game situation as shown in picture: Red dot: player Brown dot: obstacle ( rock, tree, etc) Grey: non visible area ( under fog of war) My question is: how can I draw that kind of shape, ...