Commit Graph

66 Commits (3cfe6b6da1a93a6460cccc3695c9ef46f34bdf68)

Author SHA1 Message Date
Daniel Richard G 8913d11fa5 Quash "variable may be used uninitialized" warnings
Whether or not there is any actual danger of these variables being used
without initialization, the warnings are noise, and getting rid of them is
trivial.
2013-08-26 15:36:00 -04:00
Daniel Richard G 02776ea535 Added const qualifiers
String literals in C++ are implicitly typed as 'const char *', and with
this change, their const-ness is maintained when assigning them to
variables or passing them as arguments. This significantly cuts down the
number of warnings generated by the compiler.
2013-08-26 14:58:35 -04:00
Jonathan Westhues 0ee8ba1457 Changes in preparation for the release of SolveSpace under the GPL,
to add that license, and change all copyright notices to me, not
Useful Subset, LLC.

[git-p4: depot-paths = "//depot/solvespace/": change = 2211]
2013-07-28 14:08:34 -08:00
Jonathan Westhues 9a0591cfc4 Indicate diameter symbol on diameter dimensions, instead of just a
bare number.

[git-p4: depot-paths = "//depot/solvespace/": change = 2157]
2010-05-22 22:21:42 -08:00
Jonathan Westhues 949df4d139 Add a constraint for tangency between any combination of arcs
and cubics. Also add that to the library interface.

It might have been better to use a single constraint for that,
plus all the line-curve or line-line cases, but it would break
backwards compatibility if I did that now, and perhaps be
confusing with the 'other' member (which is meaningless for
lines) anyways.

[git-p4: depot-paths = "//depot/solvespace/": change = 2141]
2010-05-09 20:14:06 -08:00
Jonathan Westhues 9f7ff34b98 Add option to treat all dimensions as reference dimensions. This is
useful because it makes it possible to add cosmetic dimensions to
an existing model, without REF appended.

[git-p4: depot-paths = "//depot/solvespace/": change = 2140]
2010-05-09 17:06:09 -08:00
Jonathan Westhues 4628048d45 Add "lock point where dragged" constraint, in either 2d or 3d.
And call the cubic things splines, not segments, since that's what
they are now.

[git-p4: depot-paths = "//depot/solvespace/": change = 2135]
2010-05-03 21:11:52 -08:00
Jonathan Westhues 52f9be0925 Add projected point-point distance constraint.
[git-p4: depot-paths = "//depot/solvespace/": change = 2115]
2010-01-27 10:15:06 -08:00
Jonathan Westhues 7a66e00865 Stop the perpendicular signs from flickering between the two
drawn orientations when u and v are equally good choices.

[git-p4: depot-paths = "//depot/solvespace/": change = 2080]
2009-11-28 18:42:50 -08:00
Jonathan Westhues e74a655ffd Assemble only inner loops from same style as outer loop. Fix arrows
for dimensions when viewed on edge. Add an angle measurement to the
text screen selection info.

[git-p4: depot-paths = "//depot/solvespace/": change = 2063]
2009-11-01 03:09:05 -08:00
Jonathan Westhues 2ca5334bdf Add interpolating splines: both periodic splines (that form a
loop), and open-ended splines, with their tangents specified at
their endpoints.

Also change constraint solver matrix size to 1024, on the theory
that a power of two will generate better array indexing, and
replace fabs() with my own function that for some reason is
faster.

[git-p4: depot-paths = "//depot/solvespace/": change = 2055]
2009-10-20 20:46:01 -08:00
Jonathan Westhues db565438e3 Add text angle for styles. Add ability to quickly change between
perspective and parallel projections. Add a snap grid, for points
and for text comments. Draw text comments in the plane of their
workplane if they have one, otherwise always facing forward.

And fix a few nasty bugs: the possibility of an extremely long
animation onto a workplane, accidental use of the wrong style line
width for constraints, misplaced text box in style screen for
default styles, other little stuff.

[git-p4: depot-paths = "//depot/solvespace/": change = 2037]
2009-09-29 03:35:19 -08:00
Jonathan Westhues 4634961054 Add ability to assign styles to cosmetic text (in the form of
Constraint::COMMENTs), including line width and color, and text
height and origin location.

[git-p4: depot-paths = "//depot/solvespace/": change = 2033]
2009-09-24 07:52:48 -08:00
Jonathan Westhues 9b8f32dad7 Now actually export the line styles, for PDF, EPS, and SVG file
formats, with the proper color and width. This may need a bit of
cleanup for stuff like the hidden line removal, which currently
loses the style.

Also fix a bug in the test for arcs of a circle. A second-order
Bezier with collinear control points really is an arc, but it's an
arc with infinite radius so stuff tends to blow up. So return false
for that one.

[git-p4: depot-paths = "//depot/solvespace/": change = 2030]
2009-09-21 21:46:30 -08:00
Jonathan Westhues ce99217bbb Move colors and line widths for almost everything to the styles
mechanism. This gets filled in from some defaults, and stored in
the registry. The default styles do not get saved in the file, but
user-created styles (which aren't supported yet) do.

[git-p4: depot-paths = "//depot/solvespace/": change = 2028]
2009-09-16 23:32:36 -08:00
Jonathan Westhues e989c86a38 Add ability to set export canvas size (paper size for PDF, bbox
size for EPS, etc.). This can either be fixed, with a given width
and height and offset, or automatic, by the left right bottom top
margins.

And draw nicer dimensions for length, with arrows and more
extension lines. Add code to trim those lines against the
(rectangular, axis-aligned) box that contains the actual number,
and use that (instead of the elliptical interpolation, which was
only approximately right) for diameter dimensions too.

[git-p4: depot-paths = "//depot/solvespace/": change = 2027]
2009-09-03 00:13:09 -08:00
Jonathan Westhues 66c93aab73 Add a mechanism to record the lines drawn when we display a
constraint, so that we can export that too. This includes the lines
for the vector font.

A little ugly; it needs some kind of line style (color or width) to
distinguish those lines from the real geometry in the exported
file.

[git-p4: depot-paths = "//depot/solvespace/": change = 2007]
2009-07-03 12:55:57 -08:00
Jonathan Westhues 4d742a5777 The constraint solver now compiles as a library, and I have a
little test app that links against it. I still need to polish a few
things, but this is more or less as it should be.

[git-p4: depot-paths = "//depot/solvespace/": change = 1944]
2009-04-19 23:30:09 -08:00
Jonathan Westhues a4dc518a89 A monster change; move the parameter, entity, group, and constraint
tables from SolveSpace to their own class. This is intended to
simplify use of the constraint solver in a library.

[git-p4: depot-paths = "//depot/solvespace/": change = 1942]
2009-04-18 21:53:16 -08:00
Jonathan Westhues 984956cbc7 Add a constraint to make line length equal arc length. That's quite
tricky; can't just use the dot product, since that blows up when
you cross pi radians. A gear shift approach, use either sin or cos,
same kind of thing as the 3d-parallel constraint.

And report a NaN constraint as unconverged, of course.

[git-p4: depot-paths = "//depot/solvespace/": change = 1890]
2009-01-08 09:22:59 -08:00
Jonathan Westhues 0a56a63417 Add a trim command. I can now do circles (or arcs) against lines,
or lines against lines. The constraints get rather screwed up
afterwards, of course.

So make arcs with the endpoints coincident into circles, instead
of nothings; since the first split of a circle produces that.

And don't warn after deleting just point-coincident or horiz/vert
constraints as a dependency; that's just a nuisance, because it
happens too often.

[git-p4: depot-paths = "//depot/solvespace/": change = 1884]
2009-01-03 04:27:33 -08:00
Jonathan Westhues 304c8f8be9 Add equal-angle constraints. These are implemented by brute force,
as the difference between the cosines of the two angles. All of the
angle stuff generates huge expressions (Expr *), but doesn't seem
noticeably slow.

[git-p4: depot-paths = "//depot/solvespace/": change = 1847]
2008-07-20 04:24:43 -08:00
Jonathan Westhues 88fc69116f Add tangency constraints, for line segments against arcs or cubics.
These are just a convenience, since it would be possible to get the
same result by drawing a construction line.

[git-p4: depot-paths = "//depot/solvespace/": change = 1836]
2008-07-13 04:44:05 -08:00
Jonathan Westhues cad77c9c47 Add routines to remove T intersections from the mesh, which are
introduced by the bsp routines. It's usually, though not always,
possible to generate a watertight mesh. The occasions where it's
not look ugly, floating point issues, no quick fix.

And use those to generate a list of edges where two different faces
meet, which I can emphasize for cosmetic reasons (and some UI to
specify whether to do that, and with what color).

And make the right mouse button rotate the model, since that was
previously doing nothing.

[git-p4: depot-paths = "//depot/solvespace/": change = 1821]
2008-07-05 23:56:24 -08:00
Jonathan Westhues fd4abd5519 Add a perpendicular constraint; identical to constraining a ninety
degree angle, but shows with a right angle symbol instead of a
numerical angle you can edit.

[git-p4: depot-paths = "//depot/solvespace/": change = 1819]
2008-07-02 01:21:29 -08:00
Jonathan Westhues 48c5018613 Add symmetric about line constraint. This applies only when locked
in a workplane, since it would otherwise be ambiguous.

[git-p4: depot-paths = "//depot/solvespace/": change = 1817]
2008-07-01 22:59:49 -08:00
Jonathan Westhues 4c6d350cee Add two more exotic constraints: equal point-line distances, and
point-line distance equal to line segment length. These are
available in both normal and projected versions, with fancy display
for all of these.

[git-p4: depot-paths = "//depot/solvespace/": change = 1793]
2008-06-14 03:16:14 -08:00
Jonathan Westhues d391c43bff Now display dimensions (and stuff in the text window) in the
user-selected units, and enter them the same way.

[git-p4: depot-paths = "//depot/solvespace/": change = 1792]
2008-06-14 01:51:25 -08:00
Jonathan Westhues 28e3f0abab Don't keep a dimension or group's user-entered numerical value as
an Expr *, since that complicates multiple units and also memory
management. Now it's just a double.

[git-p4: depot-paths = "//depot/solvespace/": change = 1791]
2008-06-14 00:43:38 -08:00
Jonathan Westhues 9bba9425be Add a special constraint type for comments; no equations, just
user-visible text. And make points hoverable/selectable even when
GW.showPoints is false, and zoom to fit before regenerating on file
open, because then we're at the right zoom level (and will use the
right pwl tolerance).

[git-p4: depot-paths = "//depot/solvespace/": change = 1788]
2008-06-12 00:58:58 -08:00
Jonathan Westhues d471872830 Add reference dimensions, add user-programmable lighting, and add a
configuration screen where all this can be specified.

[git-p4: depot-paths = "//depot/solvespace/": change = 1783]
2008-06-10 20:22:52 -08:00
Jonathan Westhues ccbda13a03 Add point-face distance constraints.
[git-p4: depot-paths = "//depot/solvespace/": change = 1778]
2008-06-06 00:46:55 -08:00
Jonathan Westhues ab44c24cfc Major speedups, mostly by playing nicer with OpenGL; batch things
up more. Also change from stupid linear search lists to sorted
binary search lists, remove a stupid bug where I double-generated
entities, and don't do the triple drawing of entities (since
offsets on the Z buffer were doing the same job already).

[git-p4: depot-paths = "//depot/solvespace/": change = 1776]
2008-06-05 23:50:08 -08:00
Jonathan Westhues 6748160026 Add selectable faces, by associating an hEntity with the triangle's
metadata. And add point-on-face constraints to go with that. Still
needs some cleanup for the user interface.

[git-p4: depot-paths = "//depot/solvespace/": change = 1766]
2008-06-01 19:31:37 -08:00
Jonathan Westhues 4375c01c51 Add step and repeat translate, with multiple copies; that all works
nicely. And to do that, I've added the user interface to show an
edit control in the text window.

[git-p4: depot-paths = "//depot/solvespace/": change = 1749]
2008-05-26 22:36:59 -08:00
Jonathan Westhues b484c26493 Many user interface additions. Now I report when the solver fails,
and in the case of a singular Jacobian, report which constraints
can be removed to fix it. Also a mechanism to hover and select
entities and constraints from the text window.

[git-p4: depot-paths = "//depot/solvespace/": change = 1746]
2008-05-26 01:56:50 -08:00
Jonathan Westhues 05b50e0af8 Various tweaks, including a numerical improvement, to make the
epsilon in the csg stuff meaningfully apply everywhere to the
length.

[git-p4: depot-paths = "//depot/solvespace/": change = 1742]
2008-05-25 06:36:03 -08:00
Jonathan Westhues 248f74547e Add user interface to specify union/difference for extrudes, and
implement that. Also make solver work only between the first and
last visible group; earlier can just work from previous solve
result, and later don't matter.

There's some issues with the csg code; it will eventually produce
an open mesh, which is very bad. Not sure whether that's a logic
bug, or a numerical issue; still generating absurd triangles pretty
routinely.

[git-p4: depot-paths = "//depot/solvespace/": change = 1741]
2008-05-25 05:11:44 -08:00
Jonathan Westhues b480613763 Add angle constraints. I'm doing these differently from SketchFlat,
as a constraint on the direction cosine, rather than driving the
dot product against a rotated vector to zero. The drawing is the
ugly part; to do that for skew lines, I gave up.

Also add a function to clear non-existent items on the selection
after solving, since that could have caused an oops().

[git-p4: depot-paths = "//depot/solvespace/": change = 1727]
2008-05-17 03:15:14 -08:00
Jonathan Westhues aa5c621d82 Add symmetry constraints without an explicit symmetry plane; these
use the horizontal or vertical axes of the active workplane. The
equations that we write from these are very fast (of the form u + v
= 0, or u - v = 0).

[git-p4: depot-paths = "//depot/solvespace/": change = 1720]
2008-05-13 02:38:21 -08:00
Jonathan Westhues 364938f332 Add an arc entity. That's not allowed to exist in free space (since
we need something to force the points into plane, and the workplane
supplies that), but otherwise straightforward. And add diameter and
equal radius constraints for the arc.

[git-p4: depot-paths = "//depot/solvespace/": change = 1718]
2008-05-12 02:01:44 -08:00
Jonathan Westhues e2263c69c8 Find a memory corruption! I was getting a pointer into the entity
list, and then adding a new entity to that list, and then looking
at that pointer again. Not okay; the add operation might have
forced a realloc. I have to watch for that.

And add a "distance ratio" constraint, plus a new kind of group
that comes with its own workplane. The workplane is not solved for;
it's generated explicitly in terms of elements that are already
solved.

[git-p4: depot-paths = "//depot/solvespace/": change = 1716]
2008-05-11 02:40:37 -08:00
Jonathan Westhues 10240cc1df Add parallel and same orientation constraints, that work on line
segments and normals.

[git-p4: depot-paths = "//depot/solvespace/": change = 1713]
2008-05-08 21:33:23 -08:00
Jonathan Westhues 018e8a0444 Draw an additional projection line, when showing a point-line
projected distance constraint.

[git-p4: depot-paths = "//depot/solvespace/": change = 1712]
2008-05-08 00:12:23 -08:00
Jonathan Westhues e11da119f0 Add point-line distance, point-plane distance, and point-on-circle
constraints. And generate the constraint equations for entities
(e.g., that our unit quaternions have magnitude one). Numerical
troubles there, but it sort of works. Also some stuff to draw
projection lines with projected constraints, and to auto-insert
more constraints as you draw.

[git-p4: depot-paths = "//depot/solvespace/": change = 1711]
2008-05-07 23:30:30 -08:00
Jonathan Westhues 328a946cc4 Add a diameter constraint, and add a `distance' entity that I can
remap when I copy circle entities, in order to make the radius
numerical somehow (analogy with the POINT_ and NORMAL_XFRMD) thing.

[git-p4: depot-paths = "//depot/solvespace/": change = 1710]
2008-05-07 00:19:37 -08:00
Jonathan Westhues 6b264a6ba6 Add a convenience command to draw a rectangle (as four line
segments), add the toggle construction command, and color the lines
differently depending on what group you're in.

Also change dynamic memory stuff to use a Win32 heap for everything
(no malloc), and validate that often. I think I've seen it crash,
though I can't reproduce it.

[git-p4: depot-paths = "//depot/solvespace/": change = 1708]
2008-05-06 20:17:29 -08:00
Jonathan Westhues c767d55c71 Now we can add new workplanes. So fix all the mistakes that I
hadn't previously noticed, because I didn't use to have workplanes
with non-zero offsets. And clean up the interface to normals a bit.

[git-p4: depot-paths = "//depot/solvespace/": change = 1707]
2008-05-05 03:17:00 -08:00
Jonathan Westhues 853c6cb59c A big change, to add a concept of normals. These are "oriented
vectors", represented by unit quaternions. This permits me to add
circles, where the normal defines the plane of the circle.

Still many things painful. The interface for editing normals is not
so intuitive, and it's not yet clear how I would e.g. export a
circle entity and recreate it properly, since that entity has a
param not associated with a normal or point.

And the transformed points/normals do not yet support rotations.
That will be necessary soon.

[git-p4: depot-paths = "//depot/solvespace/": change = 1705]
2008-05-04 22:18:01 -08:00
Jonathan Westhues 01885736e6 Fix my rotation-matrix-to-quaternion code: it broke when the
diagonal elements of the matrix summed to -1. Now it's ugly, but I
think that it's correct. And add a command to flip the view to the
other side, which is what started my problems. And tweak display of
H and V and M for constraints: put them in the constraint plane, so
that they're stationary as you rotate around.

[git-p4: depot-paths = "//depot/solvespace/": change = 1704]
2008-05-02 19:33:35 -08:00