What is it?
What you see above is The Shaderball lit by an image, not by standard 3D light sources. I’m going to talk about the idea (and implementation) of using images of environments to light 3D scenes. Two other common types of lights that I’ll eventually go over are punctual lights and area lights. Image-based lights use a 360° image of an environment to cast light onto 3D objects. The image should have a high dynamic range (an … Read the rest