English Amiga Board - View Single Post - How did games like Starglider 2 get such a high frame rate?

jotd · 09 August 2018, 21:46

one trick is the fast inverse square root function. Used in DOOM or Quake to compute some 3D stuff, probably not in Starglider. Precomputed tables/masks are probably the key.

09 August 2018, 21:46	#13
jotd This cat is no more Join Date: Dec 2004 Location: FRANCE Age: 52 Posts: 8,303	one trick is the fast inverse square root function. Used in DOOM or Quake to compute some 3D stuff, probably not in Starglider. Precomputed tables/masks are probably the key.