- Constructive modifiers are enabled by default in sculpt mode.
- There's option to disable all constructive modifiers in the "Options"
panel of toolbox in sculpt mode,
- Use one column in options panel to make strings easier to read
- No modifiers would still be applied on multires
simple modifier, almost like a hook, except it can deform with 2 object source -> target, has option to preserve rotation and use different falloff types.
Made some improvements to the point density texture. Added support
for tweaking the falloff with a custom curve. Also coded new
falloff types based on the age or velocity of particles.
Also added a test break check to the volumetric shade cache code,
to avoid nasty hangups from the preview render (on render, exit,
etc).
- continue zoom now uses the same options as dolly (hoz/vert & invert).
- remove event mouse coord hack to bypass touchpad zoom invert, instead pass invert as an argument.
Actions now get tagged with an ID-code, which is used to determine
what ID-blocks they can be assigned to. This ensures that material
actions cannot be assigned to the object-level for example.
* Action lists in general will now show only the actions that can be
set for that particular slot. This prevents selection of invalid
actions, and helps cut down the list of actions.
** An exception here is the Add Action Clip in NLA Editor, which will
show all actions but will only add where appropriate. This is because
it's not easy/possible to tell in advance which blocktypes to filter
for when building this list. (TODO?)
* The "Action Editor" is now strictly for object-level action
editing+setting now. This avoids repeateded confusion by people who
try using this to view their shapekey actions, which should go to the
Shape Key Editor instead!
** A context switcher for the legitimate times where this capability
might come in handy is still being investigated.
* "Floating" actions (i.e. actions in some action_library.blend) are
NOT able to be automatically tagged until they are assigned to some
datablocks (i.e. loaded onto the rig + played back once). It is
possible to write scripts that check for certain RNA-paths and "guess"
what datablocks they work on, but it is recommended that you load up
the Datablocks Viewer, and go through such actions by hand, setting
the "ID Root Type" property as appropriate per action.
I'm finally yielding to months of feature requesting, and adding
support for filtering F-Curves by name, where the "name" here is the
text which is displayed for each F-Curve in the Animation Editor
channel lists.
To use, just enable the magnifying-glass toggle on the DopeSheet
filtering settings, and enter a snippet of text to find within the
names of channels you wish to filter. This is case insensitive, and
currently doesn't support any wildcard/regrex fanciness.
Some examples:
loc <--- location curves only
x loc <--- x location curves only
x eul <--- x rotation curves only
rot <--- rotation curves only
etc.
Coded a new modifier, "Precision UV Interpolation",
that triangulates, subdivides, then uses brecht's mean
value interpolation to interpolate face data.
Textures on ngon faces get interpolated a bit nicer, in
other words (though concave cases, e.g. 'N', don't work very well).
restore, would not get their dependencies updated when they became visible.
It happend with a shrinkwrap modifier in these reports, but could happen with
other modifiers too.
Now we keep track of which layers have ever been updated since load, and tag
objects on them to be recalculated when they become visible.
* Separate out selection flags from file type flags, was bothering me since forever ;)
* Also renamed ACTIVEFILE to SELECTED_FILE to better reflect actual usage in code.
* Fix crash introduced with last commit, better check for valid selection
Patch from Alexander Kuznetsov: Real-time File Selection, thanks for the contribution.
Still made a few minor changes from latest patch:
1. Rename SELECTEDFILE to HILITED_FILE, since we are not actually selecting the file, but previewing/highliting the possible selection.
2. Also made this clearer by not drawing the files as selected, but just highlight them.
3. Removed the Select/Deselect toggle when clicking on file, will be committed separately soon.
* The old collisions code detected particle collisions by calculating the
collision times analytically from the collision mesh faces. This was
pretty accurate, but didn't support rotating/deforming faces at all, as
the equations for these quickly become quite nasty.
* The new code uses a simple "distance to plane/edge/vert" function and
iterates this with the Newton-Rhapson method to find the closest particle
distance during a simulation step.
* The advantage in this is that the collision object can now move, rotate,
scale or even deform freely and collisions are still detected reliably.
* For some extreme movements the calculation errors could stack up so much
that the detection fails, but this can be easily fixed by increasing the
particle size or simulation substeps.
* As a side note the algorithm doesn't really do point particles anymore,
but uses a very small radius as the particle size when "size deflect" isn't
selected.
* I've also updated the collision response code a bit, so now the particles
shouldn't leak even from tight corners.
All in all the collisions code is now much cleaner and more robust than before!
In addition don't store unfinished links in the nodetree->links list any more. This makes code a bit safer because all links in that list can be considered valid now. The temporary bNodeLinkDrag structs used by the modal linking operator are now also stored in a list in SpaceNode, so these links can be drawn too (this separation also allows different display of temporary links, e.g. currently they are drawn on top of all nodes).
the same, but big changes have happened both on the outside and on the inside.
New UI:
* The old parameters were quite true to the underlying algorithm, but were quite obscure
from a users point of view. Now there are only a few intuitive basic parameters that
define the basic fluid behavior.
** By default particle size is now used to determine the interaction radius, rest
density and spring rest lengths so that it's easy to get stable simulations by simply
emitting particles for a few frames and adjusting the particle size (easy when the
particle size is drawn) so that the fluid appears continuous (particles are touching
eachother).
** Stiffness - in reality most fluids are very incompressible, but this is a very hard
problem to solve with particle based fluid simulation so some compromises have to be
made. So the bigger the stiffness parameter is the less the fluid will compress under
stress, but the more substeps are needed for stable simulation.
** Viscosity - how much internal friction there is in the fluid. Large viscosities also
smooth out instabilities, so less viscous fluids again need more substeps to remain
stable.
** Buoancy - with high buoancy low pressure areas inside the fluid start to rise against
gravity, and high pressure areas start to come down.
* In addition to these basic parameters there are separate advanced parameters that can
either be tweaked relative to the basic parameters (or particle size) or defined
independently.
** Repulsion - the stiffness parameter tries to keep the fluid density constant, but this
can lead to small clumps of particles, so the repulsion keeps the particles better
separated.
** Stiff viscosity - the normal viscosity only applies when particles are moving closer to
eachother to allow free flowing fluids. Stiff viscosity also applies smoothing to
particles that are moving away from eachother.
** Interaction radius - by default this is 4 * particle size.
** Rest density - by default this is a density that the particles have when they're packed
densely next to eachother.
** Spring rest length - by default this is 2 * particle size.
* There are also new options for 3d view particle coloring in the display panel to show
particle velocity and acceleration. These make it easier to see what's happening in the
fluid simulations, but can of course be used with other particles as well.
* Viscoelastic springs have some new options too. The plasticity can now be set to much
higher values for instant deletion of springs as the elastic limit is exeeded. In addition
to that there is an option to only create springs for a certain number of frames when a
particle is born. These options give new possibilities for breaking viscoelastic fluids.
New in the code:
* Most of the fluids code is now thread safe, so when particle dynamics go threaded there
will be a nice speed boost to fluids as well.
* Fluids now use a bvh-tree instead of a kd-tree for the neighbor lookups. The bvh-tree
implementation makes the code quite a bit cleaner and should also give a slight speed
boost to the simulation too.
* Previously only force fields were calculated with the different integration methods, but
now the fluid calculations are also done using the selected integration method, so there
are again more choices in effecting simulation accuracy and stability. This change also
included a nice cleanup of the whole particle integration code.
As the internals are pretty stirred up old particle fluid simulations will probably not
work correctly straight away, but with some tweaking the same level of control is still
available by not using the "relative versions" of the advanced parameters (by default these
are not used when loading old files).
Option for tagging creases (Ctrl+RMB) to also re-unwrap the mesh.
In 2.42 this could be done by setting rt==8 (very hidden), now its a little less hidden (in the toolbar).
* Grid distribution isn't really suited for hair, so this is now disabled.
* Setting a jittered distribution with particles/face = 1 now creates particles on the center of faces.
* Quite a bit of cleanup of the whole particle distribution code.
Patch from Miika Hämäläinen.
The old Material "Only Shadow" used an ancient 'best guess'
formula using Lamp Distance and some averaging for converting
shadow values to alpha.
A couple of bug reporters already complained about the not
very predictable renders. Miika fixed this by adding two
new options, to only give the true shadow factor exclusively,
or to give a result including light intensity values.
More info:
http://projects.blender.org/tracker/index.php?func=detail&aid=26413&group_id=9&atid=127
Right Mouse on area edges has menu to Split or Join. Works like 2.4.
Code needed cleanup and upgrade; operators were hardcoded tied to using
the area corner widgets only. In theory this is getting py ready even,
but that might need some additional testing. :)
Campbell Barton
Joseph Eagar
Sergey Sharybin
Brecht Van Lommel
Joshua Leung
Andrea Weikert
Janne Karhu
Lukas Toenne
Ton Roosendaal