Spline component#1663
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This is a refactor of the existing path component. The component has been renamed to spline component since it can be used for so much more than just paths. Existing scenes will be automatically migrated to use the new spline component.
Internally the new spline component does not use a piecewise linear representation but uses a remapping table to map "distance along the spline" to "spline key". It can then evaluate the spline exactly at that point including an up vector and an interpolated scale. Thus it can provide a full transform if necessary.
This sampling functionality is also exposed to script. For example this allows to implement a "Scatter on Spline" viusal script (which can be found in the "Splines" scene in the "Testing Chambers" project):
Custom manipulators have been added to insert new spline points or edit custom tangent on spline points:
