3
votes
0answers
64 views

PCF shadow shader math causing artifacts

For a while now I used PCSS for my shadow technique of choice until I discovered a type of percentage closer filtering. This method creates really smooth shadows and with hopes of improving ...
0
votes
0answers
84 views

Projecting shadow map

I'm having a problem with shadow mapping and don't know where to go from here. Take a look at this screenshot: The cube circled in green is the light position, the light direction is pointed ...
0
votes
0answers
82 views

Shadow Mapping Wrong Results

Since 2 days, i'm trying to figure out whats wrong with my shadow shader. The shadow map is drawn correctly, just the projection on to the scene is not working. The Vertex Shader Code seems fine: ...
0
votes
1answer
505 views

Shadows shimmer when camera moves

I've implemented shadow maps in my simple block engine as an exercise. I'm using one directional light and using the view volume to create the shadow matrices. I'm experiencing some problems with the ...
2
votes
1answer
723 views

Omni-directional shadow mapping

What is a good/the best way to fill a cube map with depth values that are going to give me the least amount of trouble with floating point imprecision? To get up and running I'm just writing the raw ...
3
votes
1answer
644 views

Shadow-mapping xna

I've been trying to implement shadows in my game and I've been following quite a few tutorials online, mainly Riemers, but I'm always getting the same 2 errors when I'm drawing my models and setting ...