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Reimagining Characters with Unreal Engine's MetaHuman Creator
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What are IK chains? Put simply, an IK chain is like any other chain, such as a bicycle chain, where each link in the chain has a relationship with the next. This applies to limbs in a body where each bone makes up a link in a chain. So, each limb, such as the shoulder down to the hand, makes up one IK chain.
All an IK Rig does is simplify each rig into the following five IK chains:
Note
Ensure that you create each chain in the order that I have written them here and that the order applies to both the source and target skeletons.
To do this, let’s take a closer look at the IK Retargeting tab. In Figure 4.15, knowing that I just need five IK chains, I clicked on the +Add New Chain button five times:
Figure 4.15: IK Retargeting tab for the source
By default...