Why did 3D Realms license Sven Technologys MRG technology?
As answered by George Broussard in an April 1999 interview with HardOCP, “It saved us months of re-inventing the wheel and creating our own LOD system. The benefits come from dealing with less polygons that you have too. And the perceived poly drops in the meshes is negligible. I think everyone agrees that frame-rate is more important than keeping a model at full poly count when it’s 1 inch tall on the screen.