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90 lines
2.3 KiB
C++
90 lines
2.3 KiB
C++
/* Residual - Virtual machine to run LucasArts' 3D adventure games
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*
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* Residual is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the AUTHORS
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* file distributed with this source distribution.
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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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* 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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* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* $URL$
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* $Id$
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*
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*/
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#ifndef ENGINE_MATRIX3_H
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#define ENGINE_MATRIX3_H
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#include "engine/vector3d.h"
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// matrix 3 is a rotation matrix
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class Matrix3{
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public:
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Vector3d _right;
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Vector3d _up;
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Vector3d _at;
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void buildFromPitchYawRoll(float pitch, float yaw, float roll);
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void setAsIdentity();
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void constructAroundPitch(float pitch);
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void constructAroundYaw(float pitch);
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void constructAroundRoll(float pitch);
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void getPitchYawRoll(float* pPitch, float* pYaw, float* pRoll);
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float getPitch();
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float getYaw();
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float getRoll();
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void transform(Vector3d* v);
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// operators
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Matrix3& operator *=(const Matrix3& s) {
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float x, y, z;
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x = _right.dotProduct(s._right.x(), s._up.x(), s._at.x());
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y = _right.dotProduct(s._right.y(), s._up.y(), s._at.y());
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z = _right.dotProduct(s._right.z(), s._up.z(), s._at.z());
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_right.set(x, y, z);
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x = _up.dotProduct(s._right.x(), s._up.x(), s._at.x());
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y = _up.dotProduct(s._right.y(), s._up.y(), s._at.y());
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z = _up.dotProduct(s._right.z(), s._up.z(), s._at.z());
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_up.set( x, y, z );
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x = _at.dotProduct(s._right.x(), s._up.x(), s._at.x());
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y = _at.dotProduct(s._right.y(), s._up.y(), s._at.y());
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z = _at.dotProduct(s._right.z(), s._up.z(), s._at.z());
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_at.set(x, y, z);
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return *this;
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}
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Matrix3& operator =(const Matrix3& s) {
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_right = s._right;
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_up = s._up;
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_at = s._at;
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return *this;
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}
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private:
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};
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#endif // MATRIX_HH
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