48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
// Filename: rotate_to.h
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// Created by: drose (04Nov99)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef ROTATE_TO_H
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#define ROTATE_TO_H
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////////////////////////////////////////////////////////////////////
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//
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// rotate_to()
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//
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// This function computes a suitable rotation matrix to rotate vector
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// a onto vector b. That is, it computes mat so that a * mat = b.
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// The rotation axis is chosen to give the smallest possible rotation
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// angle.
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//
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////////////////////////////////////////////////////////////////////
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#include <math.h>
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#include "pandabase.h"
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#include "luse.h"
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BEGIN_PUBLISH
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EXPCL_PANDA void rotate_to(LMatrix3f &mat, const LVector3f &a, const LVector3f &b);
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EXPCL_PANDA void rotate_to(LMatrix3d &mat, const LVector3d &a, const LVector3d &b);
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EXPCL_PANDA void rotate_to(LMatrix4f &mat, const LVector3f &a, const LVector3f &b);
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EXPCL_PANDA void rotate_to(LMatrix4d &mat, const LVector3d &a, const LVector3d &b);
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END_PUBLISH
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#endif
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