83 lines
1.6 KiB
C++
83 lines
1.6 KiB
C++
/*
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* Vector.cpp
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*
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* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* 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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the 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 along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Vector.h"
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#include <cmath>
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namespace ZoomEdit {
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namespace Data {
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float Vector::lengthSq() const {
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return x*x + y*y + z*z;
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}
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float Vector::length() const {
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return std::sqrt(lengthSq());
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}
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Vector Vector::operator+(const Vector &v) const {
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return Vector(x + v.x, y + v.y, z + v.z);
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}
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Vector Vector::operator-(const Vector &v) const {
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return Vector(x - v.x, y - v.y, z - v.z);
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}
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Vector Vector::operator*(float f) const {
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return Vector(x*f, y*f, z*f);
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}
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Vector Vector::operator/(float f) const {
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return Vector(x/f, y/f, z/f);
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}
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Vector& Vector::operator+=(const Vector &v) {
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x += v.x;
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y += v.y;
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z += v.z;
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return *this;
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}
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Vector& Vector::operator-=(const Vector &v) {
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x -= v.x;
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y -= v.y;
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z -= v.z;
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return *this;
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}
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Vector& Vector::operator*=(float f) {
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x *= f;
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y *= f;
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z *= f;
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return *this;
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}
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Vector& Vector::operator/=(float f) {
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x /= f;
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y /= f;
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z /= f;
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return *this;
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}
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}
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}
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