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45 lines
1.3 KiB
C++
45 lines
1.3 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 "math/plane.h"
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namespace Math {
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Plane::Plane() : _d(0.0f) {
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}
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Plane::Plane(const Math::Vector3d &normal, float d) : _normal(normal), _d(d) {
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}
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float Plane::getSignedDistance(const Math::Vector3d &p) const {
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return _normal.x() * p.x() + _normal.y() * p.y() + _normal.z() * p.z() + _d;
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}
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void Plane::normalize() {
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float mag = _normal.getMagnitude();
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if (mag > 0.0f) {
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_normal /= mag;
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_d /= mag;
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}
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}
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}
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