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37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "titanic/star_control/fpoint.h"
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namespace Titanic {
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float FPoint::normalize() {
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float hyp = sqrt(_x * _x + _y * _y);
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assert(hyp != 0.0);
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float fraction = 1.0 / hyp;
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_x *= fraction;
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_y *= fraction;
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return hyp;
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}
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} // End of namespace Titanic
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