Addresses two improvements to `Snap to Grid` as suggested in #73993:
- Make 'Absolute Grid Snapping' a new Snap Mode
- Snap to Grid in Non-Side View performed at ground level
Implementation details:
- Snap to Grid has no cursor symbol, unless we are in `Set Snap Base`
mode. Similar to the previous 'Absolute Grid Snap' behavior.
- In Non-Side view, Snap to Grid is performed at ground level.
- If `Snap Base` is `Closest`, Snap to Grid uses the transform pivot
point instead. Similar to the previous 'Absolute Grid Snap' behavior.
- The "Absolute Grid Snap" option has been removed.
Pull Request: https://projects.blender.org/blender/blender/pulls/116109
Changes:
- Use C++ for Array e Vector types.
- Create methods to access or edit struct parameters.
- Use `TransData` to access the initial position of the vertex.
These changes will allow Vert Slide to be compatible with other
transform "convert_types".
This is a different solution to #32068
The sliding edge occlusion test is done to prevent a non-visible
reference vertex from being used to calculate the factor direction.
This commit changes the behavior, but the difference is difficult to
notice.
The changes in behavior are:
- Other objects affect occlusion.
- Slide direction is used to test occlusion instead of edge.
- The reference point is now the point whose direction is visible and
is closest to the mouse cursor.
The `object_to_world` and `world_to_object` matrices are set during
depsgraph evaluation, calculated from the object's animated location,
rotation, scale, parenting, and constraints. It's confusing and
unnecessary to store them with the original data in DNA.
This commit moves them to `ObjectRuntime` and moves the matrices to
use the C++ `float4x4` type, giving the potential for simplified code
using the C++ abstractions. The matrices are accessible with functions
on `Object` directly since they are used so commonly. Though for write
access, directly using the runtime struct is necessary.
The inverse `world_to_object` matrix is often calculated before it's
used, even though it's calculated as part of depsgraph evaluation.
Long term we might not want to store this in `ObjectRuntime` at all,
and just calculate it on demand. Or at least we should remove the
redundant calculations. That should be done separately though.
Pull Request: https://projects.blender.org/blender/blender/pulls/118210
Discussed in #114646.
This commit transforms the "alt_navigation" option of the transform
operators into a new modal key item. "PASSTHROUGH_NAVIGATE"
In addition to cleaning up a lot of the code, it allows you to
customize the key chosen to navigate while transforming.
For Blender 4.0 we decided to support individual icons for different
snap elements.
This was originally contributed by Erik Abrahamsson as !107054 with
some contributions by myself (Germano).
This set of icons being simple geometric symbols, that should be
familiar to CAD artists.
Note that Face and Volume share the same icon (circle). This is
deliberate since they communicate a similar functionality - are not
aimed at precision snapping the same way the vertex or perpendicular
are.
Also note that later we should also try to change the icons shown in
the snap menu to match the symbols that the artists see in the preview
window.
———
On the decision process:
The version currently in main (and rolled back here) was an initial
attempt of aggregating more information to the icons (e.g., by aligning
the icons to the target edges) while making them more suitable to
Blender. After presenting both options to (parts of the) community,
there was nothing fundamentally broken found with either option, though
options diverged over personal preference.
With that in mind, in the latest UI module meeting it was agreed to use
the original proposal then.
This final call was proposed by Dalai Felinto on his role of
commissioner (stakeholder) for the snap polishing tasks (#73993) and
designer for the related Snap Base design #66484.
———
This commit reverts commit 9c2e768f5b.
The reverted icons (referred originally as minimalistic icons) may be
proposed later as a separate theme option.
In the animation transform code, `T_AUTOMERGE` was used
to indicate that the duplicated keys need to be merged.
In perparation of #111051, this no longer makes much sense because
in grease pencil we cannot have two keys in the same channel at the same
frame.
This PR replaces the `T_AUTOMERGE` flag in the animation code to
`T_DUPLICATED_KEYS` to indicate that the transform is being called
with duplicated keyframes.
Pull Request: https://projects.blender.org/blender/blender/pulls/111268
In the 3D View, after navigating, the initial cursor position was
updated based on the relative position of the cursor in 3D space.
Now the initial relative position is maintained but moved closer to or
further from the 2d center based on zoom.
