1
vote
1answer
53 views

how to define a field of view for the entire map for shadow?

I recently added "Shadow Mapping" in my XNA games to include shadows. I followed the nice and famous tutorial from "Riemers" : http://www.riemers.net/eng/Tutorials/XNA/Csharp/Series3/Shadow_map.php . ...
1
vote
0answers
36 views

Compute directional light frustum from view furstum points and light direction

I'm working on a friends engine project and my task is to construct a new frustum from the light direction that overlaps the view frustum and possible shadow casters. The project already has a ...
2
votes
2answers
449 views

Shadow mapping with directional light?

I'm doing shadow mapping in my OpenGL 4.3 deferred renderer, and I'm starting with directional lights believing it to be the easiest. What I do not understand is how the view projection matrix is to ...
2
votes
1answer
426 views

Shadow mapping with deffered shading for directional lights - shadow map projection problem

I'm trying to implement shadow mapping to my engine. I started with directional lights because they seemed to be the easiest one, but I was wrong :) I have implemented deferred shading and I retrieve ...
0
votes
2answers
657 views

Tutorials for shadow mapping with multiple point lights in XNA [closed]

I've been trying to crack this problem for a while now and I'd like to know if there's a tutorial or two out there that can help me with this. I know how to do shadow mapping with a single light, and ...
1
vote
1answer
257 views

multipass shadow mapping renderer in XNA

I am wanting to implement a multipass renderer in XNA (additive blending combines the contributions from each light). I have the renderer working without any shadows, but when I try to add shadow ...
1
vote
1answer
655 views

how to modify shadow mapping in “3D Graphics with XNA Game Studio 4.0”? [closed]

So I've been following the tutorials from the book Sean James's "3D Graphics with XNA Game Studio 4.0", and have been doing fine until i reached the shadow mapping part. in this book it creates point ...
4
votes
1answer
951 views

OpenGL lighting with dynamic geometry

I'm currently thinking hard about how to implement lighting in my game. The geometry is quite dynamic (fixed 3D grid with custom geometry in each cell) and needs some light to get more depth and in ...
7
votes
1answer
148 views

Shadowmap granularity

I thought that we could re-use the same shadowmap for every light. But I've seen an industry article suggesting that you can't re-use shadowmaps between lights, and have to use separate surfaces. Do ...