The final Inverse Kinematics solution for the game developer.
Update (1.7): FIK 1.7 brings many fixes and improvements to VRIK - automatic arm stretching, improved spine bending, calibration tool for up to 6 tracked targets. AimIK receives a helpful AimController component for smooth target switching, weight blending, target interpolation and root rotation. Final-IK 1.7 is fully compatible with PuppetMaster 0.7 and Unity 2017.x versions. See the Release Notes for full details.
What can I do with Final IK? Take a look at over 30 (and counting) demo videos on YouTube.
Technical Overview - Does NOT require Unity Pro - Does NOT require, but works with Mecanim - Tested on Standalone, Web Player, IOS and Android - Source code included - Custom undoable inspectors and scene view handles for each component - Warning system to safeguard from null references and invalid setups - Optimized for great performance - Modular, easily extendable. Compose your own custom character rigs - HTML documentation, fully commented code - Tested on a wide range of characters
What are your plans for the future? Continue improving Final IK, it's documentation and add more features. I will be concentrating mostly on developing the Full Body IK and VR IK part of the package, based on Your feedback and practical use cases.
Anything else I should know before buying? Make sure to read the Online User Manual about the components that interest you the most.
There is a section about the requirements and limitations of each component.
Looking forward to working together, Partel Lang - developer of Final IK