2D vector definition and operations More...

Data Structures
struct	_Eina_Vector2

Macros
#define	EINA_VECTOR2(x, y)

Typedefs
typedef struct _Eina_Vector2	Eina_Vector2
typedef struct _Eina_Vector3	Eina_Vector3

Functions
static void	eina_vector2_set (Eina_Vector2 *dst, double x, double y)
	Set parameters to vector.
static void	eina_vector2_array_set (Eina_Vector2 dst, const double v)
	Set array to vector.
static void	eina_vector2_copy (Eina_Vector2 dst, const Eina_Vector2 src)
	Copy vector.
static void	eina_vector2_negate (Eina_Vector2 out, const Eina_Vector2 v)
	Make negative vector.
static void	eina_vector2_add (Eina_Vector2 out, const Eina_Vector2 a, const Eina_Vector2 *b)
	Add two vectors.
static void	eina_vector2_subtract (Eina_Vector2 out, const Eina_Vector2 a, const Eina_Vector2 *b)
	Subtract two vectors.
static void	eina_vector2_scale (Eina_Vector2 out, const Eina_Vector2 v, double scale)
	Scale vector.
static double	eina_vector2_dot_product (const Eina_Vector2 a, const Eina_Vector2 b)
	Return the dot product of the two vectors.
static double	eina_vector2_length_get (const Eina_Vector2 *v)
	Return the length of the given vector.
static double	eina_vector2_length_square_get (const Eina_Vector2 *v)
	Return the length in square of the given vector.
static double	eina_vector2_distance_get (const Eina_Vector2 a, const Eina_Vector2 b)
	Return the distance between of two vectors.
static double	eina_vector2_distance_square_get (const Eina_Vector2 a, const Eina_Vector2 b)
	Return the distance in square between of two vectors.
static void	eina_vector2_normalize (Eina_Vector2 out, const Eina_Vector2 v)
	normalize vector.
static void	eina_vector2_transform (Eina_Vector2 out, const Eina_Matrix2 m, const Eina_Vector2 *v)
	Transform vector.
static void	eina_vector2_homogeneous_position_transform (Eina_Vector2 out, const Eina_Matrix3 m, const Eina_Vector2 *v)
	Homogeneous position transform vector.
static void	eina_vector2_homogeneous_direction_transform (Eina_Vector2 out, const Eina_Matrix3 m, const Eina_Vector2 *v)
	Homogeneous direction transform vector.

Detailed Description

2D vector definition and operations

Macro Definition Documentation

◆ EINA_VECTOR2

#define EINA_VECTOR2	(		x,
			y )

Value:

((Eina_Vector2) {(x), (y)})

Function Documentation

◆ eina_vector2_set()

void eina_vector2_set	(	Eina_Vector2 *	dst,
		double	x,
		double	y )

inlinestatic

Set parameters to vector.

Parameters

[out]	dst	The resulting vector.
[in]	x	The x component.
[in]	y	The y component.

Since: 1.17

◆ eina_vector2_array_set()

void eina_vector2_array_set	(	Eina_Vector2 *	dst,
		const double *	v )

inlinestatic

Set array to vector.

Parameters

[out]	dst	The resulting vector.
[in]	v	The the array[2] for set.

Set to vector first 2 elements from array.

Since: 1.17

◆ eina_vector2_copy()

void eina_vector2_copy	(	Eina_Vector2 *	dst,
		const Eina_Vector2 *	src )

inlinestatic

Copy vector.

Parameters

[out]	dst	The vector copy.
[in]	src	The vector for copy.

Since: 1.17

◆ eina_vector2_negate()

void eina_vector2_negate	(	Eina_Vector2 *	out,
		const Eina_Vector2 *	v )

inlinestatic

Make negative vector.

Parameters

[out]	out	The resulting vector.
[in]	v	The current vector.

Since: 1.17

◆ eina_vector2_add()

void eina_vector2_add	(	Eina_Vector2 *	out,
		const Eina_Vector2 *	a,
		const Eina_Vector2 *	b )

inlinestatic

Add two vectors.

Parameters

[out]	out	The resulting vector.
[in]	a	The first member of the add.
[in]	b	The second member of the add.

Since: 1.17

◆ eina_vector2_subtract()

void eina_vector2_subtract	(	Eina_Vector2 *	out,
		const Eina_Vector2 *	a,
		const Eina_Vector2 *	b )

inlinestatic

Subtract two vectors.

Parameters

[out]	out	The resulting vector
[in]	a	The first member of the subtract
[in]	b	The second member of the subtract

Since: 1.17

◆ eina_vector2_scale()

void eina_vector2_scale	(	Eina_Vector2 *	out,
		const Eina_Vector2 *	v,
		double	scale )

inlinestatic

Scale vector.

Parameters

[out]	out	The resulting vector.
[in]	v	The vector for scale.
[in]	scale	The scale value.

Since: 1.17

◆ eina_vector2_dot_product()

double eina_vector2_dot_product	(	const Eina_Vector2 *	a,
		const Eina_Vector2 *	b )

inlinestatic

Return the dot product of the two vectors.

Parameters

[in]	a	The first member.
[in]	b	The second member.

Returns: The dot product.

Since: 1.17

◆ eina_vector2_length_get()

double eina_vector2_length_get ( const Eina_Vector2 * v )

inlinestatic

Return the length of the given vector.

Parameters

[in] v The vector.

Returns: The length.

Since: 1.17

◆ eina_vector2_length_square_get()

double eina_vector2_length_square_get ( const Eina_Vector2 * v )

inlinestatic

Return the length in square of the given vector.

Parameters

[in] v The vector.

Returns: The length in square.

Since: 1.17

◆ eina_vector2_distance_get()

double eina_vector2_distance_get	(	const Eina_Vector2 *	a,
		const Eina_Vector2 *	b )

inlinestatic

Return the distance between of two vectors.

Parameters

[in]	a	The first vector.
[in]	b	The second vector.

Returns: The distance.

Since: 1.17

◆ eina_vector2_distance_square_get()

double eina_vector2_distance_square_get	(	const Eina_Vector2 *	a,
		const Eina_Vector2 *	b )

inlinestatic

Return the distance in square between of two vectors.

Parameters

[in]	a	The first vector.
[in]	b	The second vector.

Returns: The distance in square.

Since: 1.17

◆ eina_vector2_normalize()

void eina_vector2_normalize	(	Eina_Vector2 *	out,
		const Eina_Vector2 *	v )

inlinestatic

normalize vector.

Parameters

[out]	out	The resulting vector.
[in]	v	The vector for normalize.

Since: 1.17

◆ eina_vector2_transform()

void eina_vector2_transform	(	Eina_Vector2 *	out,
		const Eina_Matrix2 *	m,
		const Eina_Vector2 *	v )

inlinestatic

Transform vector.

Parameters

[out]	out	The resulting vector.
[in]	m	The matrix for transform.
[in]	v	The vector for transform.

Since: 1.17

◆ eina_vector2_homogeneous_position_transform()

void eina_vector2_homogeneous_position_transform	(	Eina_Vector2 *	out,
		const Eina_Matrix3 *	m,
		const Eina_Vector2 *	v )

inlinestatic

Homogeneous position transform vector.

Parameters

[out]	out	The resulting vector.
[in]	m	The matrix for transform.
[in]	v	The vector for transform.

Since: 1.17

◆ eina_vector2_homogeneous_direction_transform()

void eina_vector2_homogeneous_direction_transform	(	Eina_Vector2 *	out,
		const Eina_Matrix3 *	m,
		const Eina_Vector2 *	v )

inlinestatic

Homogeneous direction transform vector.

Parameters

[out]	out	The resulting vector.
[in]	m	The matrix for transform.
[in]	v	The vector for transform.

Since: 1.17

Data Structures

Macros

Typedefs

Functions

Detailed Description

Macro Definition Documentation

◆ EINA_VECTOR2

Function Documentation

◆ eina_vector2_set()

◆ eina_vector2_array_set()

◆ eina_vector2_copy()

◆ eina_vector2_negate()

◆ eina_vector2_add()

◆ eina_vector2_subtract()

◆ eina_vector2_scale()

◆ eina_vector2_dot_product()

◆ eina_vector2_length_get()

◆ eina_vector2_length_square_get()

◆ eina_vector2_distance_get()

◆ eina_vector2_distance_square_get()

◆ eina_vector2_normalize()

◆ eina_vector2_transform()

◆ eina_vector2_homogeneous_position_transform()

◆ eina_vector2_homogeneous_direction_transform()