renderstack::vec3 Class Reference

simple three component float vector

#include <vec3.hpp>

Public Member Functions
	vec3 (float _x=0, float _y=0, float _z=0)
vec3	operator+ (vec3 const &v) const
vec3 &	operator+= (vec3 const &v)
vec3	operator- (vec3 const &v) const
vec3 &	operator-= (vec3 const &v)
bool	operator== (vec3 const &v) const
vec3	operator* (float f) const
vec3 &	operator*= (float f)
vec3	operator/ (float f) const
vec3 &	operator/= (float f)
vec3	operator- () const
float	operator[] (int i) const
float &	operator[] (int i)
float	length_squared () const
float	length () const
Data Fields
float	x
float	y
float	z

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Detailed Description

Definition at line 35 of file vec3.hpp.

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Constructor & Destructor Documentation

renderstack::vec3::vec3	(	float	_x = 0,
		float	_y = 0,
		float	_z = 0
	)			[inline]

Definition at line 38 of file vec3.hpp.

    :   x(_x)
    ,   y(_y)
    ,   z(_z)
    {
    }

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Member Function Documentation

vec3 renderstack::vec3::operator+

(

vec3 const &

v

)

const [inline]

Definition at line 45 of file vec3.hpp.

    {
        return vec3(x + v.x, y + v.y, z + v.z);
    }

vec3& renderstack::vec3::operator+=

(

vec3 const &

v

)

[inline]

Definition at line 50 of file vec3.hpp.

    {
        x += v.x;
        y += v.y;
        z += v.z;
        return *this;
    }

vec3 renderstack::vec3::operator-

(

vec3 const &

v

)

const [inline]

Definition at line 58 of file vec3.hpp.

    {
        return vec3(x - v.x, y - v.y, z - v.z);
    }

vec3& renderstack::vec3::operator-=

(

vec3 const &

v

)

[inline]

Definition at line 63 of file vec3.hpp.

    {
        x -= v.x;
        y -= v.y;
        z -= v.z;
        return *this;
    }

bool renderstack::vec3::operator==

(

vec3 const &

v

)

const [inline]

Definition at line 71 of file vec3.hpp.

    {
        return 
            (x == v.x) && 
            (y == v.y) && 
            (z == v.z);
    }

vec3 renderstack::vec3::operator*

(

float

f

)

const [inline]

Definition at line 78 of file vec3.hpp.

    {
        return vec3(f * x, f * y, f * z);
    }

vec3& renderstack::vec3::operator*=

(

float

f

)

[inline]

Definition at line 83 of file vec3.hpp.

    {
        x *= f;
        y *= f;
        z *= f;
        return *this;
    }

vec3 renderstack::vec3::operator/

(

float

f

)

const [inline]

Definition at line 91 of file vec3.hpp.

    {
        float inv = 1.0f / f;
        return vec3(x * inv, y * inv, z * inv);
    }

vec3& renderstack::vec3::operator/=

(

float

f

)

[inline]

Definition at line 97 of file vec3.hpp.

    {
        float inv = 1.f / f;
        x *= inv; 
        y *= inv; 
        z *= inv;
        return *this;
    }

vec3 renderstack::vec3::operator-

(

)

const [inline]

Definition at line 106 of file vec3.hpp.

    {
        return vec3(-x, -y, -z);
    }

float renderstack::vec3::operator[]

(

int

i

)

const [inline]

Definition at line 111 of file vec3.hpp.

    {
        return (&x)[i];
    }

float& renderstack::vec3::operator[]

(

int

i

)

[inline]

Definition at line 116 of file vec3.hpp.

    {
        return (&x)[i];
    }

float renderstack::vec3::length_squared

(

)

const [inline]

Definition at line 121 of file vec3.hpp.

{ return x * x + y * y + z * z; }

float renderstack::vec3::length

(

)

const [inline]

Definition at line 122 of file vec3.hpp.

{ return std::sqrt(length_squared()); }

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Field Documentation

float renderstack::vec3::x

Definition at line 124 of file vec3.hpp.

float renderstack::vec3::y

Definition at line 125 of file vec3.hpp.

float renderstack::vec3::z

Definition at line 126 of file vec3.hpp.

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The documentation for this class was generated from the following file:

• vec3.hpp