Parses a KHR_animation_pointer JSON pointer into a structured target.
Supports /materials/{i}/<factor> for the factors in MaterialPointerProp.
Returns null for unsupported pointers (lights, cameras, nodes, texture
transforms, or unknown material sub-paths).
Parameters
pointer: string
The JSON pointer string from the channel target extension.
Parses a KHR_animation_pointer JSON pointer into a structured target.
Supports
/materials/{i}/<factor>for the factors in MaterialPointerProp. Returns null for unsupported pointers (lights, cameras, nodes, texture transforms, or unknown material sub-paths).