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change mathutils.Matrix.Shear() for 3x3 or 4x4 matrices

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The plane which defined the shear had the factor applied to each axis equally.
This meant that the shear for any 3x3 or 4x4 matrix would be diagonal on the positive values of each axis.
Only being able to create diagonal shear matrices seems stupid, now take a pair of floats for the shear factor corresponding to the plane axis values, so its possible to shear on only one axis of the plane.
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Campbell Barton
2011-01-21 03:18:01 +00:00
parent d7c6ddd7e9
commit 262a33cbe4
2 changed files with 62 additions and 41 deletions
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source/blender/python/generic/mathutils.c
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@@ -40,6 +40,7 @@
* - Matrix.scalePart --> Matrix.scale_part
* - Matrix.translationPart --> Matrix.translation_part
* - Matrix.rotationPart --> Matrix.rotation_part
* - mathutils.Matrix.Shear(plane, fac, size), now takes a pair of floats for 3x3 or 4x4 shear factor.
* - toMatrix --> to_matrix
* - toEuler --> to_euler
* - toQuat --> to_quat