Implements new modifier key ({key B}) to change the snap origin point during a transformation.
Ref #66484
- The feature is only available in 3D View.
- The feature is only available for `Move`, `Rotate` and `Scale` transform modes.
- The 'snap source edit' is enabled while we are transforming and we press {key B}
- The 'snap source edit' is confirmed when we press any of the keys: {key B}, {key LMB}, {key Enter}
- During a transformation, if no snap target is set for an element in the scene (Vertex, Grid...), the snap targets to geometry Vertex, Edge, Face, Center of Edge and Perpendicular of Edge are set automatically.
- Snap cannot be turned off during the snap source editing.
- Constraint or similar modification features are not available during the snap source editing.
- Text input is not available during the snap source editing.
- When adding multiple snap points (A) the new prone snap source point is indicated with an small cursor drawing.
---
{F11820463}
**Build:**
https://builder.blender.org/download/patch/D9415/
tmp