2
votes
1answer
1k views

Problems implementing a screen space shadow ray tracing shader

Here I previously asked for the possibility of ray tracing shadows in screen space in a deferred shader. Several problems were pointed out. One of the most important problem is that only visible ...
1
vote
1answer
355 views

How to calculate the viewing cone radius at a distance in raymarching?

I'm "raymarching distance fields" (proper lingo: sphere-tracing) in GLSL. To implement cone-marching atop of it (and also to minimize the number of raymarching steps regardless of whether ...
5
votes
1answer
417 views

Raymarching artifacts

I was playing with raymarching using distance fields in GLSL sandbox and got stuck with a strange problem with artifacts. Click here and take a look at the spheres generated in corners, they have ...