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85 Commits

Author SHA1 Message Date
Campbell Barton
70d3d1aca6 style cleanup: py/capi 2012-03-16 21:39:56 +00:00
Campbell Barton
c2d93e8d4a comment cleanup 2012-03-14 22:39:56 +00:00
Campbell Barton
ee9a00948b mathutils py api: 
Vector.angle_signed(other)
  for 2D vectors to get the clockwise angle between them.

  in BLI math its called - angle_signed_v2v2()

shorthand for...

  atan2f((v1[1] * v2[0]) - (v1[0] * v2[1]), dot_v2v2(v1, v2))

also corrects compile error in last commit.
 2012-03-14 06:14:15 +00:00
Campbell Barton
2fbb5ce833 bmesh py api: more comprehensive intro page, also fix some spelling errors. 2012-03-13 06:22:43 +00:00
Campbell Barton
8646bb4464 workaround [#30480] Knife tool flicker 
the problem was numeric precision when in ortho mode the start/end points for the view vector would be 2000 apart which caused trouble for the intersection test.
 2012-03-13 01:11:08 +00:00
Campbell Barton
89a963fb7f style cleanup: comment blocks 2012-03-09 18:28:30 +00:00
Campbell Barton
3590076193 style cleanup - comment formatting 2012-03-03 20:36:09 +00:00
Campbell Barton
c62a462997 use LIKELY/UNLIKELY macros for operations that run a lot. 2012-02-26 23:59:08 +00:00
Campbell Barton
6ca7d82932 code cleanup: white space, spelling & ';;' end of lines. 2012-02-25 16:04:03 +00:00
Campbell Barton
1fbd91b8a1 typo cleanup, no functional changes. 2012-02-24 06:44:04 +00:00
Campbell Barton
2b7ca2304a unify include guard defines, __$FILENAME__ 
without the underscores these clogged up the namespace for autocompleation which was annoying.
 2012-02-17 18:59:41 +00:00
Campbell Barton
b81bfd86b4 use ValueError when vector/matrix multiplications sizes are not supported, was using TypeError for mat*vec and ValueError for vec*mat. 2012-02-11 14:27:36 +00:00
Campbell Barton
5a42ff381c correct 2 sphinx warnings. 2012-02-08 16:36:04 +00:00
Campbell Barton
1f74789d12 Correct mathutils documentation, also correct some python spelling errors and add makefile target check_spelling 2012-02-08 04:37:37 +00:00
Andrew Hale
5a221dd0de Fix for possible memory leak on creation of a vector using Vector.Range. 
It was possible to allocate an array of size<2 which would then raise an error on vector creation without freeing.

Fix to ensure the behaviour of Vector.Range was the same as for builtin range() function. When specifying 3 arguments, the step argument wasn't being used to correctly calculate the vector size.

Minor formatting edits for error messages.
 2012-02-02 01:07:04 +00:00
Andrew Hale
40f1686f47 Fixes to Python matrices str function. 
1) The width of columns was incorrectly determined on windows, fixed by increasing the size of the dummy buf.
2) Added additional brackets to string for consistent formatting
 2012-02-01 01:42:36 +00:00
Campbell Barton
54dc5f1654 apply back changes made since moving this file. 2012-01-31 05:02:24 +00:00
Campbell Barton
427cde6f16 svn cp \ 
https://svn.blender.org/svnroot/bf-blender/trunk/blender/source/blender/python/generic/noise_py_api.c@r42248 \
 https://svn.blender.org/svnroot/bf-blender/trunk/blender/source/blender/python/mathutils/mathutils_noise.c
 2012-01-31 04:59:57 +00:00
Campbell Barton
b42feff554 previous move lost history on this file, restoring next commit. 2012-01-31 04:58:06 +00:00
Andrew Hale
e634cb2607 Add the .Identity() classmethod to mathutils matrices. This allows the user 
to create an identity matrix of a specific size without having to specify
all the values in the matrix and then use the .identity() method.
 2012-01-24 01:56:44 +00:00
Campbell Barton
3123ad12a3 middle mouse jump scrolling for text window. 2012-01-16 10:48:52 +00:00
Andrew Hale
3cad3521a9 Change function for nb_invert so that ~matrix returns the inverted matrix rather than inverting inplace. 2012-01-16 09:01:11 +00:00
Campbell Barton
f0e3c3c68f fixes to mathutils from Andew Hale 
- docstring edits
- normalize ignores W axis as its supposed to.
 2012-01-03 14:34:41 +00:00
Campbell Barton
9a37e2682d slice and iterator access for matrix.col/row so you can do... 
a, b = mat.col[0:2]

  and...

  for a in mat.col: ...
 2012-01-02 09:04:37 +00:00
Campbell Barton
5c8c1a7358 PyAPI - remove Matrix.row_size / col_size. these were rather awkwardly named, but its more clear to use len(). 
mat.col_size --> len(mat.row)
mat.row_size --> len(mat.col)
 2011-12-30 06:43:17 +00:00
Campbell Barton
f48fb385ea formatting edits & minor corrections 2011-12-26 00:42:35 +00:00
Campbell Barton
986e62f3b6 fix for a bug in mathutils when a vector was accessing a matrix and the matrix size increased, future access too the vector would write past the allocated bounds. now raise an exception. 2011-12-26 00:05:41 +00:00
Campbell Barton
67effc8aef use docstrings for mathutils getset's, also some formatting edits, no functional changes. 2011-12-25 11:36:26 +00:00
Campbell Barton
f3ac865cc0 picky formatting of mathutils 2011-12-24 13:26:30 +00:00
Campbell Barton
2a80368005 mathtils, convenience attributes added 'row' and 'col', this makes the row/col swap a lot easier to deal with, since 
now you can still use column access

previously...
  mat[2] = 1, 2, 3

needed to be converted into...
  mat[0][2] = 1
  mat[1][2] = 2
  mat[2][2] = 3

but with column access you can do...
  mat.col[2] = 1, 2, 3


Having 'row' attribute is a bit redundant since direct indexing on a matrix uses row but included for completeness.
 2011-12-24 07:03:19 +00:00
Campbell Barton
28a5549ecf fix for error with matrix access and negative indices with recent row/col swap. 2011-12-24 06:13:58 +00:00
Campbell Barton
b42497b460 mathutils get/set function rename + minor changes to matrix functions (no functional changes) 2011-12-24 04:58:01 +00:00
Campbell Barton
89db50a712 patch [#29534] Change Matrix Representation and Access in Python to Conform with Standard Notation 
from Andrew Hale

Scripts which access matrix row/columns directly and scripts that create new matrices with elements defined will need updating.


For more info see...

* Guide for updating scripts
  http://wiki.blender.org/index.php/User:TrumanBlending/Matrix_Indexing

* Discussion thread
  http://markmail.org/message/4bpqpxkcvq4wjyfu
 2011-12-22 01:05:03 +00:00
Campbell Barton
26f69488ca Matrix.translation wrapper vector, continent accessing to matrix[3][0:3]. 
this is a part of patch 29534, being applied separately

from patch [#29534] Change Matrix Representation and Access in Python to Conform with Standard Notation
by Andrew Hale (trumanblending)
 2011-12-21 23:12:16 +00:00
Campbell Barton
840dfcd56d cleanup and some fixes to mathutils by Andrew Hale 
* 1. Resize 4x4, code was ridiculously complex (cleanup only)
* 2. matrix * matrix checking for compatibility wasn't working right (bug in last release)
* 3. fix for result size for matrix * vector if matrix is 4x4 and vector size 3 (bug in recent patch)
* 4. fix for result size vector * matrix if matrix is 4x4 and vector size 3 (bug in recent patch)
 2011-12-21 21:21:27 +00:00
Campbell Barton
01de7c2979 fix for mathutils mat*vec for non sqyare matrices by Andrew Hale 2011-12-21 11:36:28 +00:00
Campbell Barton
ea88a0bec5 recent commit missed swapping args for MATRIX_ITEM in mathutils_Vector.c, breaking matrix*vector. 2011-12-20 11:37:55 +00:00
Campbell Barton
436295026a patch [#29662] Modifications to Mathutils Vectors for Consistency with Commit 42752 
from Andrew Hale
 2011-12-20 05:48:35 +00:00
Campbell Barton
a8ed803b66 rename internal matrix struct member vars to avoid confusion 
Matrix.contigPtr --> matrix
Matrix.row_size --> num_col
Matrix.col_size --> num_row
 2011-12-20 04:11:23 +00:00
Campbell Barton
3d8ee28750 __str__ functions for other mathutils types 2011-12-20 03:37:55 +00:00
Campbell Barton
553cf289a7 patch [#29651] Add a __str__ Method to Matutils Matrices so print(matrix) Shows Columns as Columns 
from Andrew Hale

converted from python string formatting to using BLI_dynstr
 2011-12-20 02:54:25 +00:00
Campbell Barton
53f88b231a corrections to some comments 2011-12-19 05:23:52 +00:00
Campbell Barton
0bc83a2f35 - mathutils matrix creation - use memcpy rather than copying every matrix row/col individually. 
- creating a new non-square matrix would use uninitialized memory.
 2011-12-19 05:14:09 +00:00
Campbell Barton
c3675c0e90 remove mathutils internal variable for storing pointers to each matrix row, instead use macros to access row/column's. 
also add an assert so invalid index access will raise an error in debug mode, without this it was quite easy to access invalid memory without meaning to.

no functional change.
 2011-12-19 03:12:10 +00:00
Campbell Barton
9c9099a805 formatting edits in py api, no functional changes 2011-12-18 08:50:06 +00:00
Campbell Barton
414370b8d4 Support for arbitrary sized vectors - (was limited by 2-4 previously) 
patch http://codereview.appspot.com/5482043
from Andrew Hale

* Text from the submission *

This patch adds the ability to use arbitrary sized vectors from mathutils.
Currently vectors are only of size 2, 3 or 4 since they are generally restricted
to geometric applications. However, we can use arbitrary sized vectors for
efficient calculations and data manipulation.
 2011-12-18 07:27:11 +00:00
Campbell Barton
ad96dacbc5 style edit only - move parenthesis onto second line of function definition (in keeping with most of blenders code) 
also split some long lines in own code.
 2011-12-17 00:52:36 +00:00
Campbell Barton
a7823dda69 fix for py noise doc string (not a show stopper :) ) 2011-12-13 22:30:23 +00:00
Campbell Barton
083297fbf1 formatting edits (120 width max) and remove some redundant casts 2011-11-29 20:22:35 +00:00
Campbell Barton
9d9fbae7bc treat 4d vectors as 3d for vector.angle(other) 2011-11-29 19:40:27 +00:00