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Diffstat (limited to 'extern/audaspace/include/util/Math3D.h')
| -rw-r--r-- | extern/audaspace/include/util/Math3D.h | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/extern/audaspace/include/util/Math3D.h b/extern/audaspace/include/util/Math3D.h deleted file mode 100644 index 7ded12c1ba8..00000000000 --- a/extern/audaspace/include/util/Math3D.h +++ /dev/null @@ -1,324 +0,0 @@ -/******************************************************************************* - * Copyright 2009-2016 Jörg Müller - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - ******************************************************************************/ - -#pragma once - -/** - * @file Math3D.h - * @ingroup util - * Defines the Vector3 and Quaternion classes. - */ - -#include "Audaspace.h" - -#include <cmath> -#include <cstring> - -AUD_NAMESPACE_BEGIN - -/** - * This class represents a 3 dimensional vector. - */ -class AUD_API Vector3 -{ -private: - /** - * The vector components. - */ - union - { - float m_v[3]; - struct - { - float m_x; - float m_y; - float m_z; - }; - }; - -public: - /** - * Creates a new 3 dimensional vector. - * \param x The x component. - * \param y The y component. - * \param z The z component. - */ - inline Vector3(float x = 0, float y = 0, float z = 0) : - m_x(x), m_y(y), m_z(z) - { - } - - /** - * Retrieves the x component of the vector. - * \return The x component. - */ - inline const float& x() const - { - return m_x; - } - - /** - * Retrieves the y component of the vector. - * \return The y component. - */ - inline const float& y() const - { - return m_y; - } - - /** - * Retrieves the z component of the vector. - * \return The z component. - */ - inline const float& z() const - { - return m_z; - } - - /** - * Retrieves the components of the vector. - * \param destination Where the 3 float values should be saved to. - */ - inline void get(float* destination) const - { - std::memcpy(destination, m_v, sizeof(m_v)); - } - - /** - * Retrieves the components of the vector. - * \return The components as float[3]. - */ - inline float* get() - { - return m_v; - } - - /** - * Retrieves the components of the vector. - * \return The components as float[3]. - */ - inline const float* get() const - { - return m_v; - } - - /** - * Retrieves the length of the vector. - * \return The length of the vector. - */ - inline float length() const - { - return std::sqrt(m_x*m_x + m_y*m_y + m_z*m_z); - } - - /** - * Retrieves the cross product. - * \param op The second operand. - * \return The cross product of the two vectors. - */ - inline Vector3 cross(const Vector3& op) const - { - return Vector3(m_y * op.m_z - m_z * op.m_y, - m_z * op.m_x - m_x * op.m_z, - m_x * op.m_y - m_y * op.m_x); - } - - /** - * Retrieves the dot product. - * \param op The second operand. - * \return The dot product of the two vectors. - */ - inline float operator*(const Vector3& op) const - { - return m_x * op.m_x + m_y * op.m_y + m_z * op.m_z; - } - - /** - * Retrieves the product with a scalar. - * \param op The second operand. - * \return The scaled vector. - */ - inline Vector3 operator*(const float& op) const - { - return Vector3(m_x * op, m_y * op, m_z * op); - } - - /** - * Adds two vectors. - * \param op The second operand. - * \return The sum vector. - */ - inline Vector3 operator+(const Vector3& op) const - { - return Vector3(m_x + op.m_x, m_y + op.m_y, m_z + op.m_z); - } - - /** - * Subtracts two vectors. - * \param op The second operand. - * \return The difference vector. - */ - inline Vector3 operator-(const Vector3& op) const - { - return Vector3(m_x - op.m_x, m_y - op.m_y, m_z - op.m_z); - } - - /** - * Negates the vector. - * \return The vector facing in the opposite direction. - */ - inline Vector3 operator-() const - { - return Vector3(-m_x, -m_y, -m_z); - } - - /** - * Subtracts the second vector. - * \param op The second operand. - * \return The difference vector. - */ - inline Vector3& operator-=(const Vector3& op) - { - m_x -= op.m_x; - m_y -= op.m_y; - m_z -= op.m_z; - return *this; - } -}; - -/** - * This class represents a quaternion used for 3D rotations. - */ -class AUD_API Quaternion -{ -private: - /** - * The quaternion components. - */ - union - { - float m_v[4]; - struct - { - float m_w; - float m_x; - float m_y; - float m_z; - }; - }; - -public: - /** - * Creates a new quaternion. - * \param w The w component. - * \param x The x component. - * \param y The y component. - * \param z The z component. - */ - inline Quaternion(float w = 1, float x = 0, float y = 0, float z = 0) : - m_w(w), m_x(x), m_y(y), m_z(z) - { - } - - /** - * Retrieves the w component of the quarternion. - * \return The w component. - */ - inline const float& w() const - { - return m_w; - } - - /** - * Retrieves the x component of the quarternion. - * \return The x component. - */ - inline const float& x() const - { - return m_x; - } - - /** - * Retrieves the y component of the quarternion. - * \return The y component. - */ - inline const float& y() const - { - return m_y; - } - - /** - * Retrieves the z component of the quarternion. - * \return The z component. - */ - inline const float& z() const - { - return m_z; - } - - /** - * Retrieves the components of the vector. - * \param destination Where the 4 float values should be saved to. - */ - inline void get(float* destination) const - { - std::memcpy(destination, m_v, sizeof(m_v)); - } - - /** - * Retrieves the components of the vector. - * \return The components as float[4]. - */ - inline float* get() - { - return m_v; - } - - /** - * Retrieves the components of the vector. - * \return The components as float[4]. - */ - inline const float* get() const - { - return m_v; - } - - /** - * When the quaternion represents an orientation, this returns the negative - * z axis vector. - * \return The negative z axis vector. - */ - inline Vector3 getLookAt() const - { - return Vector3(-2 * (m_w * m_y + m_x * m_z), - 2 * (m_x * m_w - m_z * m_y), - 2 * (m_x * m_x + m_y * m_y) - 1); - } - - /** - * When the quaternion represents an orientation, this returns the y axis - * vector. - * \return The y axis vector. - */ - inline Vector3 getUp() const - { - return Vector3(2 * (m_x * m_y - m_w * m_z), - 1 - 2 * (m_x * m_x + m_z * m_z), - 2 * (m_w * m_x + m_y * m_z)); - } -}; - -AUD_NAMESPACE_END |