56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
// Residual - Virtual machine to run LucasArts' 3D adventure games
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// Copyright (C) 2003-2004 The ScummVM-Residual Team (www.scummvm.org)
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#ifndef MATRIX4_HH
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#define MATRIX4_HH
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#include "vector3d.h"
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#include "matrix3.h"
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// matrix 4 is a rotation matrix + position
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class Matrix4 {
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public:
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Matrix3 _rot;
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Vector3d _pos;
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Matrix4();
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Matrix4& operator =(const Matrix4& s) {
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_pos = s._pos;
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_rot = s._rot;
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return *this;
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}
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Matrix4& operator *=(const Matrix4& s) {
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Vector3d v;
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v = s._pos;
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_rot.transform(&v);
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_pos += v;
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_rot *= s._rot;
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return *this;
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}
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void translate(float x, float y, float z);
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private:
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};
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#endif // MATRIX_HH
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