9248e8cf01
Update for doxygen 1.8.16
2020-02-11 15:22:42 +09:00
34bcf7faab
Do a pure/const/noreturn/format attribute pass.
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I always wanted these, but as gcc now provides warnings for functions that
could do with such attributes, finding all the functions is much easier.
2018-10-09 12:42:21 +09:00
f0dc995c67
Handle c99 inline vs gnu89 inline.
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The meaning of "extern inline" and "inline" swaps between the two, and
gcc-5 uses c99 inline.
2015-08-18 00:11:03 +09:00
6eec76dd49
Implement Fischer's SEB algorithm (for 3d).
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Now we can get tight (<1e-6 * radius_squared error) bounding spheres. More
importantly (for qfvis, anyway) very quickly: 1.7Mspheres/second for a 5
point cloud on my 2.33GHz Core 2 :)
2013-03-13 17:10:55 +09:00
b6d4766201
Add a function to find the circumsphere of up to 4 points.
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It seems to be a little sloppy (an error of a bit less than 1e-4). This
might be why I'm having trouble with my SEB code.
2013-03-13 14:35:30 +09:00
0cd6d93030
Add a function to get the barycentric coords of a point.
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It "works" for lines, triangles and tetrahedrons. For lines and triangles,
it gives the barycentric coordinates of the perpendicular projection of the
point onto to features. Only tetrahedrons are guaranteed to reproduce the
original point.
2013-03-12 14:16:42 +09:00
54b4d589aa
Split up mathlib.h into several smaller headers.
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This should make maintaining them a little easier.
The copyright block in most of the new headers (execpt vector.h) reflect
when the functions in the relevant header were first created.
2012-08-19 17:39:09 +09:00
6f484ee757
Add support and tests for 3x3 matrices.
2012-08-18 16:29:57 +09:00
848db2e306
Correct a comment.
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The shear factors were listed next to scale... a tad confusing.
2012-08-04 10:47:46 +09:00
b5add680f7
Add Mat4as3MultVec.
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to transform a vertex without the translation (eg, for normals) without
having to have separate matrices.
2012-05-20 15:20:18 +09:00
6ace105e31
Fix some macro parenthesis issues.
2012-05-19 21:25:58 +09:00
02f8aa6b75
Add Mat4MultAdd macro.
2012-05-17 15:56:01 +09:00
c694b9f77e
Add Mat4Blend macro.
2012-05-15 21:08:46 +09:00
9a3206795e
Add VectorUnshear().
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VectorUnshear uses the exact same shear vector to remove shear from a
sheared vector. ie with:
VectorShear (shear, v, w);
VectorUnshear (shear, w, x);
x == v within fp math limits.
2012-05-15 21:08:44 +09:00
9f253454e4
Implement and test Mat4Inverse().
2012-05-15 21:08:44 +09:00
fa6270322f
Make Mat4Decompose a little more intuitive.
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Params are now in application order (good thing not much code uses it yet).
2012-05-15 21:08:44 +09:00
1473dbd526
Add a comment about the evaluation order in VectorShear.
2012-05-15 21:08:44 +09:00
de131c18ad
Add VectorShear and really test Mat4Decompose.
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And the tests really exercised VectorShear (first attempt had things
messed up when more than one shear value was non-zero). Also,
Mat4Decompose wasn't orthogonalizing the z axis row. Oops. Anyway,
Mat4Decompose is now known to work well, and the usage of its output is
understood :)
2012-05-15 21:08:44 +09:00
82abd5e426
More matrix tests.
2012-05-15 21:08:44 +09:00
730f9668bd
Add support for mat4 * vec3
2012-05-15 21:08:44 +09:00
50af8a562e
Add tests for matrix decomposition and fix the bugs.
2012-05-15 21:08:44 +09:00
724427a976
Add component-wise vector and quaternion division.
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Mostly for non-uniform scaling.
2012-05-15 21:08:44 +09:00
215d2e9747
Add a function to decompose a matrix.
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The function gives rotation(quaternion), scale, shear, and translation (all
three as vectors), shear is (XY, XZ, YZ).
2012-05-15 21:08:44 +09:00
890223ef8e
Correct the definition of DualQuatNorm.
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I'd gotten the norm and magnitude mixed up (partly because the document I
was following got the names mixed up), and then munged the formulas
together.
2012-05-15 21:08:43 +09:00
f874aeb941
Add support for duals and dual quaternions.
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Not everything is unit-tested, but the currently important stuff is.
2012-05-15 21:08:43 +09:00
8791b35e55
Add support for half floats.
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iqm and OpenGL use them, so they might come in handy. The tests use values
from wikipedia and a couple extra.
2012-04-26 20:55:11 +09:00
efaef89c5f
Add a shortcut function for quaterion/vector multiplication.
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I got the idea from blender when I discovered by accident that quat * vect
produces the same result as quat * qvect * quat* and looked up the code to
check what was going on. While matrix/vector multiplication still beats the
pants off quaternion/vector multiplication, QuatMultVec is a slight
optimization over quat * qvect * quat* (17+,24* vs 24+,32*, plus no need to
to generate quat*).
2012-04-26 09:48:08 +09:00
bc1b483525
Nuke the rcsid stuff.
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It's pretty useless in git.
2012-04-22 10:56:32 +09:00
cbd13ac54e
Implement QuatExp and fix up QuatBlend's param names.
2012-01-12 21:22:06 +09:00
ea2ae1436c
Fix some bugs in the new matrix functions/macros.
2011-12-31 13:20:31 +09:00
35bf957d08
Add a 4x4 matrix type and some functions for it.
2011-12-30 20:11:53 +09:00
edb05fdfce
Rename Vector3Scale and QuatCompScale.
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They are now VectorCompMult and QuatCompMult.
2011-12-30 20:04:55 +09:00
b96ca6f0e0
Add QuatCompScale and fix a bug in QuatScale.
2011-12-28 08:59:52 +09:00
ce8c2e717a
Add some more vector/quat component macros.
2011-12-24 20:10:37 +09:00
cc5140e3a1
Move min/max/bound and field_offset into better locations.
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min/max bound into mathlib.h (they /are/ math functions, after all) and
field_offset into qtypes.h.
2011-12-24 10:04:33 +09:00
8b78aeb666
Add component-wise vector and quaternion comparison macros.
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Also, re-implement VectorCompare and QuatCompare using the new macros.
VectorCompCompare and QuatCompCompare take a parameter specifying the
comparison operator to use. All component-wise comparisons must be true
for the whole comparison to be true.
2011-12-22 16:54:21 +09:00
b38cb1e221
Create some nicer docs for AngleVectors.
2011-12-13 14:15:03 +09:00
3a386293fc
Add Vector3Scale macro.
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Vector3Scale individually scales the components of one vector by the
components of another vector.
2011-11-28 20:56:19 +09:00
91e65b6c80
Rename mplane_t to plane_t and clean up the mess.
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I got rather tired of there being multiple definitions of mostly compatible
plane types (and I need a common type anyway). dplane_t still exists for
now because I want to be careful when messing with the actual bsp format.
2011-11-28 20:54:34 +09:00
94362cc010
Add macros to ease printing of vectors and quaternions.
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I got sick of having to pass all those parameters to printf. Let the
compiler do it for me.
2011-09-07 09:41:06 +09:00
12e238f806
Add a function to convert quake angles to a quaternion.
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The test works by comparing the result of AngleVectors with forward,
right, and up vectors rotated by the quaternion resulting from AngleQuat.
2011-09-04 09:58:12 +09:00
eb205d73fd
Add a function to convert a quaternion to a rotation matrix.
2011-09-04 09:58:12 +09:00
a59fee5346
Add the QuatSet macro.
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Same as the VectorSet macro.
2011-09-04 09:58:11 +09:00
d638fdce83
Add a PlaneFlip macro.
2011-05-07 19:29:03 +09:00
33db650161
Add QuatInverse to calculate 1/q.
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There's still no direct quaternion division because I don't know if the
definition of q1/q2 is (1/q2)*q1 or q1*(1/q2) (it does make a difference).
2011-01-18 22:22:18 +09:00
13503198e5
Add quat_origin convenience constant.
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Same as vec3_origin in that all elements are zero.
2011-01-11 08:41:40 +09:00
8808eba3ff
add VectorSet macro
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VectorSet(a,b,c,d) -> vec3_t d = (a, b, c)
This should be useful.
2010-10-13 20:52:05 +09:00
fc293864dc
Fix visibility of VectorNormalize and other math functions
2007-03-17 21:06:00 +00:00
99c0954b47
the big dso visibility patch :). Sure, we have to have unique names for static builds, but with controlled visibitly we should get faster program loads (although this isn't C++, so it's not as bad) and complex plugins are cleaner.
2007-03-10 12:00:59 +00:00
6fbddc3d43
so that's the right way to do groups and subgroups...
2006-12-05 11:40:00 +00:00
Bill Currie
Brian Koropoff