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01Transforming Turret Rig

Transforming Turret Rig

01

Rigging and tooling · Solo

Rig to render

The same frame rendered: the turret in orange and black paint, standing on a road behind a striped barrier.
The turret in the Blender viewport, its control curves and bone axes drawn over an untextured model.

Spec

Tools
Blender, Unreal Engine, Python
Scope
Solo

Role

  1. IK/FK switching, so an animator can pick the right tool per shot.
  2. A folding deployment system built on drivers: the turret unfolds from a single value.
  3. A Python script that toggles those drivers, so any part can be overridden by hand without breaking the rig.
  4. Rebuilt the rig to run in Unreal, driving a procedural walk rather than baked cycles.
  5. Feet that ray-trace the ground, so the legs adapt to whatever surface the turret stands on.
  6. One key press folds the turret out and deploys a Niagara shield with it.

Breakdown

In engine

Anim graph: the fold blended against the locomotion state machine
Full Body IK: one solver driving four feet
Foot trace: the legs read the surface they stand on
Niagara: the shield that deploys with the transform
Shield material: depth fade, fresnel and edge colour