For example, the spine bones of a MetaHuman need to be remapped, whereas each hand's metacarpal bones do not since there is no data from the UE4 Mannequin that requires remapping. These skeletons have similar bone structures but, because MetaHumans have some additional bones, you need to remap these before you can successfully retarget them. Unreal Engine includes a humanoid rig that you can use with both skeletons. In this step, you will use the Retarget Manager to set up the skeleton rig and reassign some of its target bones in the bone hierarchy.īoth the UE4 Mannequin and MetaHuman skeletons are bipedal humanoid characters. (Optional) If you want to use your MetaHuman as a playable character, complete the Using a MetaHuman as a Third Person Character in Unreal Engine guide first.
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If you want to animate a Preset character using this method, you must create a new MetaHuman based on that Preset and download that MetaHuman instead.įollow the Getting Started with MetaHumans in Unreal Engine guide to download and export your MetaHuman to Unreal Engine. Preset MetaHumans do not come with these pose assets. This template includes a Mannequin asset whose idle, run, and jump animations will be used in this guide.Ĭreate a MetaHuman in the MetaHuman Creator.Ĭurrently, retarget pose assets are only included with custom MetaHumans. You can follow the same steps to retarget any animations that are compatible with the UE4 Skeleton.Ĭreate a new Unreal Engine project using the Third Person Template. Using the Retarget Manager to retarget animations. Setting the translation retargeting for the bone hierarchy. Setting up the MetaHuman and UE4 Mannequin skeletons to use a matching pose.
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In this guide, you will learn how to retarget animations made for the UE4 Mannequin onto a MetaHuman. MetaHumans also have a slightly different A-pose (that is, the default pose for the character model) from the UE4 Mannequin.
MetaHumans have a similar bone hierarchy to the UE4 Mannequin skeleton, but they have a few extra bones. You can learn more about this on the Animation Retargeting page. With animation retargeting, it is also possible to share animations between characters that use different skeleton assets, as long as they share a similar bone hierarchy and use a shared asset called a rig to pass animation data from one skeleton to the other. Retargeting preserves skeleton proportions and prevents unnecessary deformation when using animations from differently shaped characters. Add the Retargeted Animation Blueprint to Your MetaHumanĪnimation retargeting is the process of reusing animations between characters that use the same skeleton asset but may have different proportions. Set Up Translation Retargeting for the MetaHuman Skeletonħ. Match the Poses of the MetaHuman and UE4 Mannequin Skeletonĥ. Set the Preview Mesh of the MetaHuman SkeletonĤ.
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