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In Blender, we used to use the term 'draw' to refer to information
displayed to the user. For version 2.80, it was decided to change these
instances to 'display' instead. This was to avoid the ambiguity between
end-user drawing tools and display options.
From the Oxford English Dictionary:
- Draw: produce (a picture or diagram) by making lines and marks on
paper with a pencil, pen, etc.
- Display: show (data or an image) on a computer, television, or
other screen.
Therefore, we should use draw when referring to drawing tools for
making marks, but use display when referring to information
shown/displayed to the user. From a user POV, the computer displays
certain information, whereas the user draws a mark.
Apparently this change was not implemented consistently, so this patch
changes all remaining relevant instances of "draw".
Differential Revision: https://developer.blender.org/D10551
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As this is used only in corner cases, it is better keep in advanced panel.
Also renamed to "Limit to Viewport"
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This commit is a refactor of the fill tool to solve several problems we had since the first version of the tool.
Changes:
* The filling speed has been improved for each step of the process with the optimization of each algorithm/function.
* New `AutoFit` option to fill areas outside of the viewport. When enable, the total size of the frame is calculated to fit the filling area.
* New support multiframe filling. Now it is possible to fill multiple similar frames in one go.
* New `Stroke Extension` option to create temporary closing strokes. These strokes can be displayed and adjusted dynamically using wheel mouse or PageUp/Down keys.
* Parameter `Resolution` now is named `Precision` and has been moved to topbar.
* `Resolution` now has decimals and can be lower than 1 to allow quick filling in storyboarding workflows. Maximum value has been set as 5.
* Parameter `Simplify` has been moved to Advanced panel.
* Improved fill outline detection. In some cases, the outline penetrated the area to be filled with unexpected results.
* Fixes some corner case bugs with infinite loops.
As a result of this refactor, also these new functionalities has been added.
* New support for multiframe in `Draw` mode. Any drawing in active frame is duplicated to all selected frame.
* New multiframe display mode. Keyframes before or after of the active frame are displayed using onion colors. This can be disable using Onion overlay options.
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Now the resolution can be reduced to get less details. This is very useful for doing storyboards to get a quick fill of any character.
Following UI review, the name "Resolution" has been changed to "Precision" because is more clear.
Differential Revision: https://developer.blender.org/D10076
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Approximately 138 changes in the spelling of compound words
and proper names like "Light Probe", "Shrink/Fatten", "Face Map".
In many cases, hyphens were used where they aren't correct, like
"re-fit". Other common changes include:
- "Datablock" -> "data-block"
- "Floating point" -> "floating-point"
- "Ngons" -> "n-gons"
These changes help give the language used in the interface
a consistent, more professional feel.
Differential Revision: https://developer.blender.org/D9923
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Approximately 195 changes of capitalization to conform to MLA title style.
UI labels and property names should use MLA title case, while descriptions
should be capitalized like regular prose, generally with only the start of
a sentence capitalized.
Differential Revision: https://developer.blender.org/D9922
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This tool implements smearing for multires displacement over the limit
surface, similar to how smearing for colors and topology slide works.
When used the displacement values of the vertices "slide" over the
topology, creating the effect of smearing the surface detail.
As the brush just modifies displacement values instead of coordinates,
the total displacement of the affected area doesn't change. This means
that this smearing effect can be used multiple times over the same area
without generating any artifacts in the topology.
When the brush is used with the pinch or expand smear modes,
displacement differences are pushed into the same area, creating hard
surface effects without pinching the topology.
As any other brush that relies on the limit surface (like displacement
erasers), this will work better after using apply base.
Reviewed By: sergey, JulienKaspar, dbystedt
Differential Revision: https://developer.blender.org/D9659
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Remove DNA headers, using forward declarations where possible.
Also removed duplicate header, header including it's self
and unnecessary inclusion of libc system headers from BKE header.
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This adds deformation types to snake hook and the elastic deformation
type. This mode deforms the mesh using a kelvinlet instead of applying
the displacement directly inside the brush radius, which is great for
stylized shapes sketching.
Changes in rake rotation when using elastic are too strong when set
to 1, so I'll add a nicer way to support rake rotations with smoother
transitions in the future.
Reviewed By: sergey, JulienKaspar
Differential Revision: https://developer.blender.org/D9560
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This adds a new property to the sculpt vertex color paint brush to limit
the area of the brush that is going to be used to sample the wet paint
color. This is exactly the same concept as normal radius and area radius
that exist for sculpting brushes for sampling the surface depth and
orientation.
When working near color hard edges, this allows to prevent the color
from the other side of the edge to blend into the wet paint.
With 1.0 (the previous default) wet paint radius, as soon as the brush touches
one vertex of the other color, the wet paint mix color changes, making it
impossible to maintain the border between the two colors.
Reviewed By: sergey, dbystedt, JulienKaspar
Differential Revision: https://developer.blender.org/D9587
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We already have generic enums for empty and default 'none' value.
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Use Brush.map_mode instead.
Ref D9290
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This adds a property to the grab that masks vertices based on its
original normal and grab delta. When used on thin meshes, it allows to
grab the silhouette from one side of the object without affecting the
shape of the other side.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D9205
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This adds a smooth deformation type to the boundary brush, which smooths
the boundary and has a regular falloff towards the inside of the mesh.
For smoothing, only vertices parallel to the boundary are taken into
account, creating this effect.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D9204
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When using anchored stroke, the stroke operator was modifying the
coordinates on the "mouse" rna property by setting them to the original
position. Because of this, all the sculpt delta calculation was failing
and the delta for these brushes was set randomly (with a 0 vector) at
the beginning of the stroke.
There is now an extra property that uses the unmodified coordinates of
the mouse to calculate the delta. Now delta orientation works as expected
in all brushes and features that require brush tip orientation.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D9183
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This adds support for pen tilt in sculpt mode. For now, pen tilt is used
by tweaking the tilt strength property, which controls how much the pen
angle affects the sculpt normal. This is available in Draw, Draw Sharp,
Flatten, Fill, Scrape and Clay Strips brushes, but it can be enabled in
more tools later.
The purpose of this patch is to have a usable implementation of pen tilt
in a painting mode, so users can test and see in which hardware and
platforms this feature is supported and how well it works. If it works
ok, more tools and features that rely on pen tilt can be implemented,
like brushes that blend between two deformations depending on the angle.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8893
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Previously the softbody strength property was controlling the strength
of the constraints that pin all vertices to the original location. This
was causing problems when the forces were trying to deform the vertices
too much, like when using gravity or grab brushes.
Now softbody is implemented with plasticity, which creates constraints to
a separate coordinates array. These coordinates are deformed with the
simulation, and the plasticity parameter controls how much the
simulation moves the coordinates (plasticity 0), or the coordinates move
the simulation back to its previous position (plasticity 1).
This creates much better and predictable results and adding softbody
plasticity to the brushes can increase its control and the stability of
the simulation.
Reviewed By: sergey, zeddb
Differential Revision: https://developer.blender.org/D9187
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We have our own assert implementation, `BLI_assert()` that is prefered over the
C standard library one. Its output is more consistent across compilers and
makes termination on assert failure optional (through `WITH_ASSERT_ABORT`).
In many places we'd include the C library header without ever accessing it.
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This simulation area mode moves the active area with the brush. When
enabled, the cloth brush has no restrictions on stroke length, area or
mesh vertex count.
In order to work, this enables PBVH nodes dynamically for simulation as
the stroke location moves and builds the constraints for new nodes
during the stroke. When a node is not inside the simulated area, all the
constraints that were created for it and vertex collisions are not
computed. The simulation limits falloff areas and constraints tweaking
control how the simulated and no simulated nodes blend.
Reviewed By: sergey, zeddb
Differential Revision: https://developer.blender.org/D8726
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Some of the naming was quite misleading.
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Mainly a UI adjustment, no functional changes
To have the default mode in the advanced panel as separated option is not the best solution.
Now, there is a pin option and when it is enabled, the brush keeps this mode.
Differential Revision: https://developer.blender.org/D8974
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Along some other typos in comments or variable names.
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This should improve the issue with Scrape accumulation in concave
surfaces. When the strength of the brush is higher, the area radius is
also bigger, so the scrape plane is more stable preventing it from
accumulating displacement in the same area.
The Scrape/Fill default presets are also updated to include this
functionality.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8821
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This implements Snake Hook as a deform type for the cloth brush. This
brush changes the strength of the deformation constraints per brush step
to avoid affecting the results of the simulation as much as possible. It
allows to grab the cloth without producing any artifacts in the surface
and create more natural looking folds than any of the other deformation
modes.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8621
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This adds a new brush property called "Deformation Target" which
controls how the brush deformations is going to affect the mesh data. By
default is set to Geometry, which makes the brushes displace the
vertices. When set to Cloth Simulation, the deformation of the brush is
applied to the cloth solver constraints, so the simulation is
responsible to apply the final deformation. This allows to add cloth
simulation effects to other sculpt tools with minor modifications to their
code.
This patch enables Cloth Simulation deformation target for Pose and
Boundary brushes, which are tools that are already designed to work in
low poly counts and produce large deformations. This allows creating the
most common cloth effects, like bending and compressing folds, without
relying on collisions.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8578
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This enables the invert mode in the smooth brush as Enhance Details.
The operation is similar to the Sharpen Filter intensify details parameter,
which consist in applying the laplacian smooth displacement in the opposite
direction calculated using the original coordinates.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8509
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This adds the boundary_falloff_type and boundary_offset to control how the
falloff of the Boundary Brush is applied.
Boundary Origin Offset is the same concept as the Pose Origin offset in
the Pose Brush. It is a multiplier that adds extra length to the brush
radius to locate the deformation pivot further from the boundary without
affecting the falloff.
The Falloff type includes Constant (previous default), brush radius, loop
and loop and invert. Loop and Loop and Invert can be used to create
deformation patterns in a mesh.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8526
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This brush deletes displacement information of the Multires Modifier,
resetting the mesh to the subdivision limit surface.
This can be use to easily delete parts of the sculpt or to fix
reprojection artifacts after applying a shrinkwrap.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8543
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This brush includes a set of deformation modes designed to deform and
control the shape of the mesh boundaries, which are really hard to do
with regular sculpt brushes (and even in edit mode). This is useful
for creating cloth assets and hard surface base meshes.
The brush detects the mesh boundary closest to the active vertex and
propagates the deformation using the brush falloff into the mesh.
It includes bend, expand, inflate, grab and twist deform modes.
The main use cases of this brush are the Bend and Expand deformation
modes, which depend on a grid topology to create the best results.
In order to do further adjustments and tweaks to the result of these
deformation modes, the brush also includes the Inflate, Grab and
Twist deformation modes, which do not depend that much on the topology.
Grab and Inflate are the same operation that is implemented in the
Grab and Inflate tools, they are also available in the boundary brush
as producing deformations with regular brushes in these areas is very
hard to control.
Even if this brush can produce deformations in triangle meshes and
meshes with a non-regular quad grid, the more regular and clean the
topology is, the better. Most of the assets this brush is intended to
deform are always created from a cylindrical or plane quad grid, so it
should be fine. Also, its algorithms can be improved in future versions
to handle more corner cases and topology patterns.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8356
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This feature was suggested in https://blender.community/c/rightclickselect/rggbbc/
When press `Ctrl+LMB`, the filled area is inverted.
{F8749306}
{F8749307}
Filling several areas:
{F8759399}
Differential Revision: https://developer.blender.org/D8477
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This makes possible to choose between a local and a global simulation
when the cloth brush is used. Local simulation is the current default.
When global simulation is enabled, the cloth brush simulates the entire
mesh without taking any simulation limits into account.
This was possible before by setting the simulation limits to 10 (the
current maximum value allowed) so the entire mesh was inside the limits,
but this was a hack as the limits scale with the radius and there should
not be any limitation on how big the simulated area can be to be able to
simulate an entire object. This also allows to make a more clear
distinction between cloth brush presets that are intended to be used in
local areas to add details or globally to generate the base shape of the
mesh.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8481
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This implements collisions in the solver of the cloth brush/filter. It
uses the scene colliders as a regular physics simulation.
There are still some parameters (friction, distance to the surface...)
that can be exposed as properties in later patches.
Thanks to Sebastian Parborg for helping me with the implementation.
Reviewed By: sergey, zeddb
Differential Revision: https://developer.blender.org/D8019
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Previusly it was using the / character, which implies that there is one
deformation mode and and invert deformation mode like in the other two
deformation, but squash and stretch is only one deformation mode and
does not have an invert mode.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8463
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The scale deform mode includes rotation by default, so when when scaling
down a part of the models it becomes harder to control as the effect of
the rotation less predictable (similar to using trackball rotation in a
very small radius). This locks the rotation of the segment, so parts of
the model can be scaled down in a more predictable way.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8465
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This is a patch suggested in https://blender.community/c/rightclickselect/qggbbc/
The valid values are:
* Visible Layers.
* Active Layer.
* Layer Above active.
* Layer Below active.
* All layers Above active.
* All layers Below active.
Differential Revision: https://developer.blender.org/D8474
Some minor UI changes done in the original patch.
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The cloth brush has a defined simulated area with a falloff. In the falloff
area (the area between the dashed white circle and the exterior white
circle), simulation properties change in order to fade out the
simulation deformation effects towards the boundary.
With some brushes and stroke types (like anchored strokes with pinching
or grabbing with full strength), it is possible to apply more force than
what the boundary falloff can compensate, so the simulation breaks when
this happens.
This option pins the falloff area with softbody constraints, This
produces a much better deformation falloff and it is no longer possible
to move the vertices near the simulation boundary, so the simulation
won't break no matter the strength of the forces applied inside the
simulated areas.
This is an option as it is particularly useful for some brushes to add
localized details, but for brushes that are supposed to deform the
entire mesh (like the grab brush in D8424), this can add unwanted
softbody constraints that affect the simulation result.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8435
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Conflicts:
source/blender/editors/gpencil/gpencil_primitive.c
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The cloth brush builds the constraints when the stroke starts usign the
current state of the mesh. This means that deformations profuced by the
simulattion will accumulate after multiple strokes as it will always
start from the previous deformed state. While this is useful in many
cases, for other uses it is convenient to always simulate the same
initial shape, but applying different forces to it.
The persistent base options work like the persistent base in the layer
brush and allows the cloth brush to not accumulate deformation after
each stroke. When enabled, constraints are created for the shape stored
in the persistent base instead of from the current state of the mesh.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8428
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This property adds constraints to the simulation using the initial
location of the vertices, making it behave like a soft body. The
strength of these constraints can be modified with the brush parameter.
This makes some deformation modes more subtle and predictable, making it
possible to use the cloth brush to add surface detail in a more
controllable way without loosing completely the original shape of the
mesh.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D7845
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it's good to have an option to ' pin' a mode to the brush, to use that mode always, independent of the current viewport selected mode.
{F8723224}
Reviewed By: pepeland
Differential Revision: https://developer.blender.org/D8399
81a002
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This adds extra deform modes to the slide mode of the Topology
Slide/Relax brush (both slide and smear are almost identical).
This is useful to move topology to a specific area to add more localized
details
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8349
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This allows to use pen pressure modulation in hardness, wet mix, wet
persistence, flow and density, as well as inverting the modulation (more
pressure, less density...). With this, it is possible to create brushes
that mix paint or apply a new color based on the pressure.
Reviewed By: sergey, campbellbarton
Differential Revision: https://developer.blender.org/D8267
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The smear brush was using the stroke direction to slide colors across
the mesh surface (this is called drag in other sculpt tools). Similarly,
other deformations can be included. The most common ones in image
editing are pinch and expand, which can be used to sharpen transitions
between colors.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8270
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