Gone is the era when dynamic lighting was impossible, if not just difficult, when games used to be rotoscoped, just like in the original Mortal Kombat. The modern-day dynamic lighting problem is the problem of rendering indirect reflected light, technically known as Global Illumination or GI. The official docks of Unity game engine states: Global Illumination (GI) is a system that models how light is bounced off of surfaces onto other surfaces (indirect light) rather than being limited to just the light that hits … [Read more...]