[FONT=Verdana][COLOR=white]It’s pretty straight forward really. You blend using constraints between the two targets, the FK and IK. If you want to blend in one frame and with no snap you need to match the two targets to each other before the switch which you would put into an event that happens when you click switch button of some sort in your UI. [/FONT][/COLOR]

[FONT=Verdana][COLOR=white]While doing this dynamically would be desirable this proved to be very touchy and unstable so I went with an event based approach.[/FONT][/COLOR]
[FONT=Verdana][COLOR=white]This however was probably linked to a bug with transforms in XSI that plagued the version I was writing this for at the time. So it would be good to try again.[/FONT][/COLOR]

[FONT=Verdana][COLOR=white]XSI naturally hates cycles. Even if you use a switch board approach to make sure there are no cyclic dependencies happening at any one time the connections that create the cycle seem to rattle XSI enough to break your setup.[/FONT][/COLOR]