That is more or less what I do. There is no reason I can see why it shouldn't happen implicitly.
On 03/02/2011 10:19, Campbell Barton wrote: > Euler() * 0.5, makes sense to halve rotation, but from reading down > you're mainly interested in: Euler() * Matrix(). > > This could be supported, internally doing... > eul = Euler() > (eul.to_matrix() * Matrix()).to_euler(eul.order) > > I'd be interested to know if there are many other math libs which do > Euler * Matrix since there are enough de-facto standard with > C++/python libs like mathutils I rather not define new ones. > > On Thu, Feb 3, 2011 at 1:04 PM, Tom Edwards<[email protected]> wrote: >> Could we please have maths operator (i.e. * / +) support for eulers? You >> can't do anything with them currently, you have to cast to vector then >> back again! >> >> On 03/02/2011 11:08, Campbell Barton wrote: >>> Here are some proposed changes to the mathutils API I'd like to make >>> to avoid some confusing aspects of the api since its now used for all >>> RNA math types and GameEngine I think it would be good to make >>> improvements in this area. >>> >>> Proposal: >>> http://wiki.blender.org/index.php/Dev:2.5/Source/Python/Mathutils >>> >>> If this is acceptable I can make these changes and update scripts. >>> >>> I'm keeping a log of all mathutils changes since 2.4x in mathutils.c >>> >>> To get up to speed on changes so far: >>> >>> /* Note: Changes to Mathutils since 2.4x >>> * use radians rather then degrees >>> * - Mathutils.Vector/Euler/Quaternion(), now only take single >>> sequence arguments. >>> * - Mathutils.MidpointVecs --> vector.lerp(other, fac) >>> * - Mathutils.AngleBetweenVecs --> vector.angle(other) >>> * - Mathutils.ProjectVecs --> vector.project(other) >>> * - Mathutils.DifferenceQuats --> quat.difference(other) >>> * - Mathutils.Slerp --> quat.slerp(other, fac) >>> * - Mathutils.Rand: removed, use pythons random module >>> * - Mathutils.RotationMatrix(angle, size, axis_flag, axis) --> >>> Mathutils.RotationMatrix(angle, size, axis); merge axis& axis_flag >>> args >>> * - 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 >>> * - Vector.toTrackQuat --> Vector.to_track_quat >>> * - Quaternion * Quaternion --> cross product (not dot product) >>> * - Euler.rotate(angle, axis) --> Euler.rotate_axis(axis, angle) >>> * - Euler.unique() *removed*, not a standard function only toggled >>> different rotations. >>> * >>> * moved into class functions. >>> * - Mathutils.RotationMatrix -> mathutils.Matrix.Rotation >>> * - Mathutils.ScaleMatrix -> mathutils.Matrix.Scale >>> * - Mathutils.ShearMatrix -> mathutils.Matrix.Shear >>> * - Mathutils.TranslationMatrix -> mathutils.Matrix.Translation >>> * - Mathutils.OrthoProjectionMatrix -> >>> mathutils.Matrix.OrthoProjection >>> * >>> * Moved to Geometry module: Intersect, TriangleArea, TriangleNormal, >>> QuadNormal, LineIntersect >>> * - geometry.Intersect -> intersect_ray_tri >>> * - geometry.ClosestPointOnLine -> intersect_point_line >>> * - geometry.PointInTriangle2D -> intersect_point_tri_2d >>> * - geometry.PointInQuad2D -> intersect_point_quad_2d >>> * - geometry.LineIntersect -> intersect_line_line >>> * - geometry.LineIntersect2D -> intersect_line_line_2d >>> * - geometry.BezierInterp -> interpolate_bezier >>> * - geometry.TriangleArea -> area_tri >>> * - geometry.QuadNormal, TriangleNormal -> normal >>> * - geometry.PolyFill -> tesselate_polygon >>> * - geometry.BoxPack2D -> box_pack_2d >>> * - geometry.BarycentricTransform -> barycentric_transform >>> */ >>> >> _______________________________________________ >> Bf-committers mailing list >> [email protected] >> http://lists.blender.org/mailman/listinfo/bf-committers >> > > _______________________________________________ Bf-committers mailing list [email protected] http://lists.blender.org/mailman/listinfo/bf-committers
