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Sometimes we want to lock the end effector to a position in the world space for some frames in action playing back. For example the "walk" action, we want to lock the IK end effector to world space a position on the ground when the foot near attach to ground for avoidind its avoiding slip.
IK lock is happened can be locked in some frames frame range in the action node, so we need specify it in action node. Each IK maybe may have different range of lock downlocking.

The _{Fill the IK lock data} specified GUI_{in UI}

You can specify the frame range which you want to lock your IK in the float data field,

• The red area means in that frame, the IK will lock there 100%indicates the frame range which lock the IK.

_{The red 100% lock and the yellow fade out to animation}

Or you can fill that by automatically calculateautomatic calculation, our tool will can collect the height of end effecter for all the frames in action node and calculate the min and max height of it, we can auto fill that data if the end effector below to some percent of range:

Automatically_{Automatic calculation}

_{Auto fill result of the left foot IK (when the foot lower than 10% average)}

_{Auto fill result of the left foot IK (when the foot lower than 10% average)}

If the IK been was locked in world space when playing backaction, our system will display a locker for it:

_{IK locker on the foot (redwhite box)}