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Just like the "Select by Material" node, this node outputs a
boolean attribute for control points that have a matching handle
type. By default left and right handles are considered, but it's
possible to only check one side with the toggle in the node.
Differential Revision: https://developer.blender.org/D12135
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Some mesh primitives created using geometry nodes use loops to create
vertices and accumulates positions/angles in FP variables. This allows
rounding errors to accumulate and can introduce significant errors.
To minimize changes from original implementation, variables allowing
errors to accumulate are replaced by: delta * index. Affected Mesh
Primitives nodes are Line, Grid, Cylinder, Circle, Cone, and UV-Sphere.
Differential Revision: https://developer.blender.org/D12136
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Add warning(info) to nodes that don't work when an input value is
out of range. For example, the grid node doesn't work with Vertices X
or Verices Y less than 2.
These are purposefully added as "Info" warnings, because they don't
show in the modifier and they aren't printed to the terminal.
Differential Revision: https://developer.blender.org/D11923
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These were removed globally in 65ec7ec524e667ec95ce947a95f6273088dffee6.
Some files re-introduced these conventions since.
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Node name edited in Specular node definition
Reviewed By: fclem
Maniphest Tasks: T87635
Differential Revision: https://developer.blender.org/D11022
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This node sets the selected (or all) splines in curve to a chosen target
spline type. Poly, Bezier, and NURB splines can be converted to any of
the other types. This is meant to be a building block node, useful in
many procedural situations.
In the future the node could be optimized with multi-threading, or by
avoiding copying in many cases, either by retrieving the curve for write
access or by passing the raw vectors to the new splines where possible.
With edits from Hans Goudey (@HooglyBoogly)
Differential Revision: https://developer.blender.org/D12013
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Because mesh vertex and face normals are just derived data, they can
be calculated lazily instead of eagerly. Often normal calculation is
a relatively expensive task, and the calculation is often redundant
if the mesh is deformed afterwards anyway.
Instead, normals should be calculated only when they are needed. This
commit moves in that direction by adding a new function to tag a mesh's
normals dirty and replacing normal calculation with it in some places.
Differential Revision: https://developer.blender.org/D12107
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This simplifies changing how geometry nodes handles different socket types
without affecting other systems.
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Retrieving a mesh's looptris now take's a const mesh after
rB5f8969bb4b4, which removes the need for this function.
Since it's only two lines, avoiding the use of a separate function
in this case is simpler.
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This adds the operator name to the node label which is consistent with the shading nodes.
The vector node has `Vector` as a prefix.
The Attribute nodes already have a different coloured header.
The same label is used when collapsing nodes, this helps readability.
Reviewed By: pablovazquez
Differential Revision: https://developer.blender.org/D10749
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No functional change.
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Implementation is incorrect compared to Cycles/Eevee.
Reported by @DrDubosc in comments of T88922.
Differential Revision: https://developer.blender.org/D12029
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With this commit, node warnings added to nodes during evaluation
(not "Info" warnings) will also draw in the modifier. In the future
there could be a "search for this node" button as well.
Differential Revision: https://developer.blender.org/D11983
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Because these handles are calculated lazily, we need to make sure they
are calculated before switching to a manually positioned mode.
I doubt it would ever be necessary, but theoretically this could happen
on a per-point level, to avoid calculating handles not in the selection.
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This node takes a curve and a point selection and allows you to set the
specified (or all) points left/right or both handles to a given type.
Differential Revision: https://developer.blender.org/D11992
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Just add a check for whether the mesh has faces when retrieving an
attribute on the corner domain. In the future there could be an info
message in the node in this case, since maybe it's not intuitive.
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The new faces should have a winding direction that points them outward,
the fix was swapping the order of each face's edge and vertex indices.
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Using const indexes and offsets helps to make the logic less sequential,
which is hopefully easier to understand and possibly easier to parallelize
in the future. Also order return arguments last.
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This caused the "cyclic" attribute to appear dysfunctional.
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Use C comments for plain text.
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The code used `Spline::LookupResult` in a way that referred to evaluated
points and control points interchangeably. That didn't affect the logic,
but the code became harder to read. Instead, introduce a local struct
to contain the data in a more obvious way.
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This node implements shortening each spline in the curve based on
either a length from the start of each spline, or a factor of the
total length of each spline, similar to the "Start & End Mapping"
panel of curve properties.
For Bezier curves, the first and last control points are adjusted
to maintain the shape of the curve, but NURB splines are currently
implicitly converted to poly splines.
The node is implemented to avoid copying where possible, so it outputs
a changed version of the input curve rather than a new one.
Differential Revision: https://developer.blender.org/D11901
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Replaces current ID Mask node Anti-Aliasing operation by SMAA
operations with default settings as proposed by Jeroen Bakker.
SMAA produces smoother edges.
Reviewed By: manzanilla
Differential Revision: https://developer.blender.org/D11881
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This shows the text as part of the assertion message.
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This logic is from the curve sundivide node, used to add points with
proper handles in between two existing points. However, the same logic
is used for trimming of Bezier splines, and possibly interactive point
insertion in the future, so it's helpful as a general utility.
The logic is converted to depend on a bezier spline instead of being
static. A temporary segment spline can be used for the latter use case.
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nodes or sockets" error
rBfe22635bf664 introduced a utility to check for this (but it was always
returning true).
This wasnt a problem in master (since it is unused there), but in the
2.93 branch, this utility is actually used and the error results in all
geometry nodetrees to appear with the "Node group has unidentified nodes
or sockets" message (and being unusable).
Now return false in has_undefined_nodes_or_sockets if all nodes and
sockets have been successfully checked.
This commit then needs to end up in the 2.93 branch.
Maniphest Tasks: T89851
Differential Revision: https://developer.blender.org/D11911
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Socket inspection helps with debugging a geometry node group.
Now, when hovering over a socket, a tooltip will appear that provides
information about the data in the socket. Note, socket inspection only
works for sockets that have been computed already. Nodes that are not
connected to an output are not computed.
Future improvements can include ui changes to make the tooltip look
more like in the original design (T85251). Furthermore, additional
information could be shown if necessary.
Differential Revision: https://developer.blender.org/D11842
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This commit moves the storage of `bDeformGroup` and the active index
to `Mesh`, `Lattice`, and `bGPdata` instead of `Object`. Utility
functions are added to allow easy access to the vertex groups given
an object or an ID.
As explained in T88951, the list of vertex group names is currently
stored separately per object, even though vertex group data is stored
on the geometry. This tends to complicate code and cause bugs,
especially as geometry is created procedurally and tied less closely
to an object.
The "Copy Vertex Groups to Linked" operator is removed, since they
are stored on the geometry anyway.
This patch leaves the object-level python API for vertex groups in
place. Creating a geometry-level RNA API can be a separate step;
the changes in this commit are invasive enough as it is.
Note that opening a file saved in 3.0 in an earlier version means
the vertex groups will not be available.
Differential Revision: https://developer.blender.org/D11689
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This commit adds a curve primitive node for creating squares,
rectangles, trapezoids, kites, and parallelograms. It also includes
a mode where the four points are just vector inputs.
Differential Revision: https://developer.blender.org/D11665
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Under some circumstances (e.g. when rendering) the geometry
nodes logger is not used. This was missing a simple null check.
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Differential Revision: https://developer.blender.org/D11872
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panel
Renaming compositor node in search panel "View Switch" to "Switch View"
for better consistency.
Reviewed By: dfelinto
Differential Revision: https://developer.blender.org/D11717
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TBB includes in windows.h which will by
default define min/max macro's by default,
which collide with stl's min/mac functions.
this change instructs windows.h not to
add the offending macros
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Many ui features for geometry nodes need access to information generated
during evaluation:
* Node warnings.
* Attribute search.
* Viewer node.
* Socket inspection (not in master yet).
The way we logged the required information before had some disadvantages:
* Viewer node used a completely separate system from node warnings and
attribute search.
* Most of the context of logged information is lost when e.g. the same node
group is used multiple times.
* A global lock was needed every time something is logged.
This new implementation solves these problems:
* All four mentioned ui features use the same underlying logging system.
* All context information for logged values is kept intact.
* Every thread has its own local logger. The logged informatiton is combined
in the end.
Differential Revision: https://developer.blender.org/D11785
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Rename the mesh circle to "Mesh Circle", mesh line to "Mesh Line",
and mesh subdivide to "Mesh Subdivide". Previously they looked exactly
the same in the search menu, and the nodes themselves had the same
label. This is a "deep" rename that also renames internal defines and
function names to match the UI.
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This node is quite similar to the curve to points node, but creates
points for only the start and end of each spline. This is a separate
node because the sampling from the curve to points node don't apply,
and just for ease of use.
All attributes from the curves are copied, including the data for
instancing: tangents, normals, and the derived rotations. One simple
use case is to make round caps on curves by instancinghalves of a
sphere on each end of the splines.
Differential Revision: https://developer.blender.org/D11719
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