DarkflameServer/dCommon/NiQuaternion.h
2022-09-04 11:47:53 +01:00

151 lines
3.2 KiB
C++

#pragma once
// Custom Classes
#include "NiPoint3.h"
/*!
\file NiQuaternion.hpp
\brief Defines a quaternion in space in WXYZ coordinates
*/
class NiQuaternion;
//! A class that defines a rotation in space
class NiQuaternion {
public:
float w; //!< The w coordinate
float x; //!< The x coordinate
float y; //!< The y coordinate
float z; //!< The z coordinate
//! The initializer
NiQuaternion(void);
//! The initializer
/*!
\param w The w coordinate
\param x The x coordinate
\param y The y coordinate
\param z The z coordinate
*/
NiQuaternion(float w, float x, float y, float z);
//! Destructor
~NiQuaternion(void);
// MARK: Constants
static const NiQuaternion IDENTITY; //!< Quaternion(1, 0, 0, 0)
// MARK: Setters / Getters
//! Gets the W coordinate
/*!
\return The w coordinate
*/
float GetW(void) const;
//! Sets the W coordinate
/*!
\param w The w coordinate
*/
void SetW(float w);
//! Gets the X coordinate
/*!
\return The x coordinate
*/
float GetX(void) const;
//! Sets the X coordinate
/*!
\param x The x coordinate
*/
void SetX(float x);
//! Gets the Y coordinate
/*!
\return The y coordinate
*/
float GetY(void) const;
//! Sets the Y coordinate
/*!
\param y The y coordinate
*/
void SetY(float y);
//! Gets the Z coordinate
/*!
\return The z coordinate
*/
float GetZ(void) const;
//! Sets the Z coordinate
/*!
\param z The z coordinate
*/
void SetZ(float z);
// MARK: Member Functions
//! Returns the forward vector from the quaternion
/*!
\return The forward vector of the quaternion
*/
NiPoint3 GetForwardVector(void) const;
//! Returns the up vector from the quaternion
/*!
\return The up vector fo the quaternion
*/
NiPoint3 GetUpVector(void) const;
//! Returns the right vector from the quaternion
/*!
\return The right vector of the quaternion
*/
NiPoint3 GetRightVector(void) const;
NiPoint3 GetEulerAngles() const;
// MARK: Operators
//! Operator to check for equality
bool operator==(const NiQuaternion& rot) const;
//! Operator to check for inequality
bool operator!=(const NiQuaternion& rot) const;
// MARK: Helper Functions
//! Look from a specific point in space to another point in space (Y-locked)
/*!
\param sourcePoint The source location
\param destPoint The destination location
\return The Quaternion with the rotation towards the destination
*/
static NiQuaternion LookAt(const NiPoint3& sourcePoint, const NiPoint3& destPoint);
//! Look from a specific point in space to another point in space
/*!
\param sourcePoint The source location
\param destPoint The destination location
\return The Quaternion with the rotation towards the destination
*/
static NiQuaternion LookAtUnlocked(const NiPoint3& sourcePoint, const NiPoint3& destPoint);
//! Creates a Quaternion from a specific axis and angle relative to that axis
/*!
\param axis The axis that is used
\param angle The angle relative to this axis
\return A quaternion created from the axis and angle
*/
static NiQuaternion CreateFromAxisAngle(const NiPoint3& axis, float angle);
static NiQuaternion FromEulerAngles(const NiPoint3& eulerAngles);
};