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Diffstat (limited to 'JavaScriptCore/wtf/Vector3.h')
-rw-r--r-- | JavaScriptCore/wtf/Vector3.h | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/JavaScriptCore/wtf/Vector3.h b/JavaScriptCore/wtf/Vector3.h deleted file mode 100644 index 1850929..0000000 --- a/JavaScriptCore/wtf/Vector3.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Copyright (C) 2010 Google Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of - * its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef WTF_Vector3_h -#define WTF_Vector3_h - -#include <math.h> - -namespace WTF { - -class Vector3 { -public: - Vector3() - : m_x(0.0) - , m_y(0.0) - , m_z(0.0) - { - } - - Vector3(double x, double y, double z) - : m_x(x) - , m_y(y) - , m_z(z) - { - } - - Vector3(const float p[3]) - : m_x(p[0]) - , m_y(p[1]) - , m_z(p[2]) - { - } - - Vector3(const double p[3]) - : m_x(p[0]) - , m_y(p[1]) - , m_z(p[2]) - { - } - - double abs() const - { - return sqrt(m_x * m_x + m_y * m_y + m_z * m_z); - } - - bool isZero() const - { - return !m_x && !m_y && !m_z; - } - - void normalize() - { - double absValue = abs(); - if (!absValue) - return; - - double k = 1.0 / absValue; - m_x *= k; - m_y *= k; - m_z *= k; - } - - double x() const { return m_x; } - double y() const { return m_y; } - double z() const { return m_z; } - -private: - double m_x; - double m_y; - double m_z; -}; - -inline Vector3 operator+(const Vector3& v1, const Vector3& v2) -{ - return Vector3(v1.x() + v2.x(), v1.y() + v2.y(), v1.z() + v2.z()); -} - -inline Vector3 operator-(const Vector3& v1, const Vector3& v2) -{ - return Vector3(v1.x() - v2.x(), v1.y() - v2.y(), v1.z() - v2.z()); -} - -inline Vector3 operator*(double k, const Vector3& v) -{ - return Vector3(k * v.x(), k * v.y(), k * v.z()); -} - -inline Vector3 operator*(const Vector3& v, double k) -{ - return Vector3(k * v.x(), k * v.y(), k * v.z()); -} - -inline double dot(const Vector3& v1, const Vector3& v2) -{ - return v1.x() * v2.x() + v1.y() * v2.y() + v1.z() * v2.z(); -} - -inline Vector3 cross(const Vector3& v1, const Vector3& v2) -{ - double x3 = v1.y() * v2.z() - v1.z() * v2.y(); - double y3 = v1.z() * v2.x() - v1.x() * v2.z(); - double z3 = v1.x() * v2.y() - v1.y() * v2.x(); - return Vector3(x3, y3, z3); -} - -inline double distance(const Vector3& v1, const Vector3& v2) -{ - return (v1 - v2).abs(); -} - -} // WTF - -#endif // WTF_Vector3_h |