How is this kind of movement done?

[blokav]

I knew this bookmark would come in handy someday!

2 Joint 2 Limb Inverse Kinematics

Introduction Some time ago I replied to a thread explaining a method of IK I used and the theory behind it. It’s been linked all over and I figure it could use a more thought out tutorial. This thread is an expanded stand-alone version of that reply. Here you will find a breakdown of a super basic form of IK solving as well an example .rbxl file. This tutorial assumes you have an understanding of: Basic algebra and trigonometry CFrames pertaining to welds and operations Basic understanding …