hi..i want to find a functions that given 2 arms length and the required en point relative to the first arm pivot, find the 2 angles...i know this is called inverse kinematics.. can any1 help? Flutey Shady El Mously Egyptian Game Programmer (there is no knowledge that is not power)

Check out:

"Real-time Inverse Kinematics" at:
http://www.darwin3d.com/confpage.htm

http://www.darwin3d.com/gdm1998.htm


Be warned though - its a deep topic - you''ll find the most info in books about robotics (robots need to be able to work out the most optimal method to move to a target).

--
Simon O''Connor
Creative Asylum Ltd
www.creative-asylum.com

Ken Perlin has some new Java stuff (from GDC 2002 last month) that might be useful:

mrl.nyu.edu/~perlin/gdc/

Graham Rhodes
Senior Scientist
Applied Research Associates, Inc.