vector3.c File Reference

#include <vecmat.h>

Go to the source code of this file.

Functions
vector3	vec3_zero (void)
	Returns a zero-initialized vector3.
vector3	vec3_one (void)
	Returns a vector3 with all components set to 1.0f.
vector3	vec3_x_axis (const vm_float_t x)
	Returns a vector3 along the x-axis.
vector3	vec3_y_axis (const vm_float_t y)
	Returns a vector3 along the y-axis.
vector3	vec3_z_axis (const vm_float_t z)
	Returns a vector3 along the z-axis.
vector3	vec3_x_scale (const vm_float_t x)
	Returns a vector3 for scaling along the x-axis.
vector3	vec3_y_scale (const vm_float_t y)
	Returns a vector3 for scaling along the y-axis.
vector3	vec3_z_scale (const vm_float_t z)
	Returns a vector3 for scaling along the z-axis.
vector3	vec3_add (const vector3 a, const vector3 b)
	Component-wise addition of two vectors.
vector3	vec3_sub (const vector3 a, const vector3 b)
	Component-wise subtraction of two vectors.
vector3	vec3_mul_scalar (const vector3 v, const vm_float_t s)
	Component-wise multiplication of vector by scalar.
vector3	vec3_div_scalar (const vector3 v, const vm_float_t s)
	Component-wise division of vector by scalar.
vector3	vec3_mul (const vector3 a, const vector3 b)
	Component-wise multiplication of two vectors.
vector3	vec3_neg (const vector3 v)
	Negation of a vector.
vector3	vec3_abs (const vector3 v)
	Computes the absolute value per component of a vector3.
vector3	vec3_cross (const vector3 a, const vector3 b)
	Computes the cross-product of two vector3.
vector3	vec3_normalize (const vector3 v)
	Normalizes a vector3 to unit length.
vector3	vec3_min (const vector3 a, const vector3 b)
	Computes the component-wise minimum of two vector3.
vector3	vec3_max (const vector3 a, const vector3 b)
	Computes the component-wise maximum of two vector3.
vector3	vec3_sign (const vector3 v)
	Computes the sign per component of a vector3 (-1, 0, or 1).
vector3	vec3_floor (const vector3 v)
	Applies the floor per component to a vector3.
vector3	vec3_ceil (const vector3 v)
	Applies ceil per component to a vector3.
vector3	vec3_round (const vector3 v)
	Applies round per component to a vector3.
vector3	vec3_reflect (const vector3 incident, const vector3 normal)
	Reflects an incident vector over normal.
vector3	vec3_refract (const vector3 incident, const vector3 normal, const vm_float_t eta)
	Refracts an incident vector across an interface with a given normal and ratio of refraction eta.
vector3	vec3_lerp (const vector3 a, const vector3 b, const vm_float_t t)
	Linearly interpolates between two vector3.
vector3	vec3_clamp (const vector3 v, const vector3 min, const vector3 max)
	Clamps a vector3 between min and max per component.
vm_float_t	vec3_distance (const vector3 a, const vector3 b)
	Computes the Euclidean distance between two vector3.
vm_float_t	vec3_angle (const vector3 a, const vector3 b)
	Computes the angle between two non-zero vector3 in radians.
vm_float_t	vec3_dot (const vector3 a, const vector3 b)
	Computes the dot product of two vector3.
vm_float_t	vec3_length (const vector3 v)
	Computes the length (magnitude) of a vector3.
vector3	vec3_scale (const vector3 v, const vm_float_t s)
	Scales the vector by a scalar.
vector3	vec3_div (const vector3 a, const vector3 b)
	Divides two vectors component-wise.
vector3	vec3_add_scalar (const vector3 v, const vm_float_t s)
	Adds a scalar to each component.
vector3	vec3_sub_scalar (const vector3 v, const vm_float_t s)
	Subtracts a scalar from each component.
vector3	vec3_clamp_scalar (const vector3 v, const vm_float_t min, const vm_float_t max)
	Clamps each component to the scalar range [min, max].
vector3	vec3_saturate (const vector3 v)
	Clamps each component to the range [0, 1].
vector3	vec3_fract (const vector3 v)
	Returns the fractional part of each component.
vector3	vec3_project (const vector3 a, const vector3 b)
	Projects a onto b.
vector3	vec3_slide (const vector3 v, const vector3 normal)
	Removes the component of v along normal.
vector3	vec3_reject (const vector3 a, const vector3 b)
	Returns the component of a orthogonal to b.
vector3	vec3_rotate_axis (const vector3 v, const vector3 axis, const vm_float_t angle)
	Rotates v around axis by angle radians.
vector3	vec3_splat (const vm_float_t s)
	Returns a vector with every component set to s.
vector3	vec3_from_vec2 (const vector2 v, const vm_float_t z)
	Builds a vector3 from a vector2 and z.
vector3	vec3_move_toward (const vector3 current, const vector3 target, const vm_float_t max_delta)
	Moves current toward target by at most max_delta.
vector3	vec3_limit_length (const vector3 v, const vm_float_t max_len)
	Clamps the vector length to max_len.
vector2	vec3_xy (const vector3 v)
	Returns the x and y components as a 2D vector.
void	vec3_orthonormal_basis (const vector3 n, vector3 *t, vector3 *b)
	Builds a tangent and bitangent orthonormal to n.
vm_float_t	vec3_length_squared (const vector3 v)
	Returns the squared Euclidean length.
vm_float_t	vec3_length_manhattan (const vector3 v)
	Returns the Manhattan (L1) length.
vm_float_t	vec3_length_chebyshev (const vector3 v)
	Returns the Chebyshev (L-inf) length.
vm_float_t	vec3_distance_squared (const vector3 a, const vector3 b)
	Returns the squared Euclidean distance between a and b.
vm_float_t	vec3_signed_angle (const vector3 a, const vector3 b, const vector3 axis)
	Returns the signed angle from a to b around axis.
vm_float_t	vec3_min_component (const vector3 v)
	Returns the smallest component.
vm_float_t	vec3_max_component (const vector3 v)
	Returns the largest component.
vm_float_t	vec3_sum (const vector3 v)
	Returns the sum of all components.
bool	vec3_is_zero (const vector3 v)
	Returns true if every component is zero.
bool	vec3_is_normalized (const vector3 v)
	Returns true if the vector has unit length.
bool	vec3_near (const vector3 a, const vector3 b, const vm_float_t eps)
	Returns true if a and b are within eps of each other.

Function Documentation

vec3_abs()

vector3 vec3_abs

(

const vector3

v

)

Computes the absolute value per component of a vector3.

See vec3_abs_ptr for the out-parameter version.

Parameters

v	The vector.

Returns

The absolute vector3.

Definition at line 196 of file vector3.c.

References vec3_abs_ptr().

vec3_add()

vector3 vec3_add	(	const vector3	a,
		const vector3	b )

Component-wise addition of two vectors.

See vec3_add_ptr for the out-parameter version.

Parameters

a	First vector.
b	Second vector.

Returns

Result vector.

Definition at line 102 of file vector3.c.

References vec3_add_ptr().

vec3_add_scalar()

vector3 vec3_add_scalar	(	const vector3	v,
		const vm_float_t	s )

Adds a scalar to each component.

See vec3_add_scalar_ptr instead.

Parameters

v	Input vector.
s	Scalar value.

Returns

The resulting vector3.

Definition at line 485 of file vector3.c.

References vec3_add_scalar_ptr().

vec3_angle()

vm_float_t vec3_angle	(	const vector3	a,
		const vector3	b )

Computes the angle between two non-zero vector3 in radians.

Parameters

a	First vector.
b	Second vector.

Returns

The angle between the directions of a and b.

Definition at line 413 of file vector3.c.

References vec3_dot(), vec3_length(), and VECMAT_ACOS.

vec3_ceil()

vector3 vec3_ceil

(

const vector3

v

)

Applies ceil per component to a vector3.

See vec3_ceil_ptr for the out-parameter version.

Parameters

v	The vector.

Returns

The ceiling vector.

Definition at line 304 of file vector3.c.

References vec3_ceil_ptr().

vec3_clamp()

vector3 vec3_clamp	(	const vector3	v,
		const vector3	min,
		const vector3	max )

Clamps a vector3 between min and max per component.

See vec3_clamp_ptr for the out-parameter version.

Parameters

v	The vector.
min	Minimum bounds.
max	Maximum bounds.

Returns

The clamped vector.

Definition at line 387 of file vector3.c.

References vec3_clamp_ptr().

vec3_clamp_scalar()

vector3 vec3_clamp_scalar	(	const vector3	v,
		const vm_float_t	min,
		const vm_float_t	max )

Clamps each component to the scalar range [min, max].

See vec3_clamp_scalar_ptr instead.

Parameters

v	Input vector.
min	Lower bound.
max	Upper bound.

Returns

The resulting vector3.

Definition at line 518 of file vector3.c.

References vec3_clamp_scalar_ptr().

vec3_cross()

vector3 vec3_cross	(	const vector3	a,
		const vector3	b )

Computes the cross-product of two vector3.

See vec3_cross_ptr for the out-parameter version.

Parameters

a	First vector.
b	Second vector.

Returns

The cross-product (a × b).

Definition at line 212 of file vector3.c.

References vec3_cross_ptr().

Referenced by mat4_look_at_ptr(), and vec3_signed_angle().

vec3_distance()

vm_float_t vec3_distance	(	const vector3	a,
		const vector3	b )

Computes the Euclidean distance between two vector3.

Parameters

a	First vector.
b	Second vector.

Returns

The distance between a and b.

Definition at line 401 of file vector3.c.

References vec3_length(), and vec3_sub().

vec3_distance_squared()

vm_float_t vec3_distance_squared	(	const vector3	a,
		const vector3	b )

Returns the squared Euclidean distance between a and b.

Parameters

a	First input vector.
b	Second input vector.

Returns

The resulting scalar.

Definition at line 749 of file vector3.c.

References vector3::x, vector3::y, and vector3::z.

vec3_div()

vector3 vec3_div	(	const vector3	a,
		const vector3	b )

Divides two vectors component-wise.

See vec3_div_ptr instead.

Parameters

a	First input vector.
b	Second input vector.

Returns

The resulting vector3.

Definition at line 469 of file vector3.c.

References vec3_div_ptr().

vec3_div_scalar()

vector3 vec3_div_scalar	(	const vector3	v,
		const vm_float_t	s )

Component-wise division of vector by scalar.

See vec3_div_scalar_ptr for the out-parameter version.

Parameters

v	The vector.
s	The scalar (non-zero).

Returns

Result vector.

Definition at line 150 of file vector3.c.

References vec3_div_scalar_ptr().

vec3_dot()

vm_float_t vec3_dot	(	const vector3	a,
		const vector3	b )

Computes the dot product of two vector3.

Parameters

a	First vector.
b	Second vector.

Returns

The dot product (a.x * b.x + a.y * b.y + a.z * b.z).

Definition at line 428 of file vector3.c.

References vector3::x, vector3::y, and vector3::z.

Referenced by mat4_look_at_ptr(), vec3_angle(), vec3_length(), vec3_length_squared(), vec3_project_ptr(), vec3_reflect_ptr(), vec3_refract_ptr(), vec3_rotate_axis_ptr(), vec3_signed_angle(), and vec3_slide_ptr().

vec3_floor()

vector3 vec3_floor

(

const vector3

v

)

Applies the floor per component to a vector3.

See vec3_floor_ptr for the out-parameter version.

Parameters

v	The vector.

Returns

The floored vector.

Definition at line 289 of file vector3.c.

References vec3_floor_ptr().

vec3_fract()

vector3 vec3_fract

(

const vector3

v

)

Returns the fractional part of each component.

See vec3_fract_ptr instead.

Parameters

v	Input vector.

Returns

The resulting vector3.

Definition at line 548 of file vector3.c.

References vec3_fract_ptr().

vec3_from_vec2()

vector3 vec3_from_vec2	(	const vector2	v,
		const vm_float_t	z )

Builds a vector3 from a vector2 and z.

See vec3_from_vec2_ptr instead.

Parameters

v	Input vector.
z	Z component.

Returns

The resulting vector3.

Definition at line 642 of file vector3.c.

References vec3_from_vec2_ptr().

vec3_is_normalized()

bool vec3_is_normalized

(

const vector3

v

)

Returns true if the vector has unit length.

Parameters

v	Input vector.

Returns

True if the vector has unit length.

Definition at line 823 of file vector3.c.

References vec3_length_squared(), VECMAT_EPSILON, and VECMAT_FABS.

vec3_is_zero()

bool vec3_is_zero

(

const vector3

v

)

Returns true if every component is zero.

Parameters

v	Input vector.

Returns

True if every component is zero.

Definition at line 810 of file vector3.c.

References VECMAT_EPSILON, VECMAT_FABS, vector3::x, vector3::y, and vector3::z.

vec3_length()

vm_float_t vec3_length

(

const vector3

v

)

Computes the length (magnitude) of a vector3.

Parameters

v	The vector.

Returns

The Euclidean length of v.

Definition at line 439 of file vector3.c.

References vec3_dot(), and VECMAT_SQRT.

Referenced by vec3_angle(), vec3_distance(), vec3_limit_length_ptr(), and vec3_normalize_ptr().

vec3_length_chebyshev()

vm_float_t vec3_length_chebyshev

(

const vector3

v

)

Returns the Chebyshev (L-inf) length.

Parameters

v	Input vector.

Returns

The resulting scalar.

Definition at line 737 of file vector3.c.

References VECMAT_FABS, VECMAT_FMAX, vector3::x, vector3::y, and vector3::z.

vec3_length_manhattan()

vm_float_t vec3_length_manhattan

(

const vector3

v

)

Returns the Manhattan (L1) length.

Parameters

v	Input vector.

Returns

The resulting scalar.

Definition at line 726 of file vector3.c.

References VECMAT_FABS, vector3::x, vector3::y, and vector3::z.

vec3_length_squared()

vm_float_t vec3_length_squared

(

const vector3

v

)

Returns the squared Euclidean length.

Parameters

v	Input vector.

Returns

The resulting scalar.

Definition at line 715 of file vector3.c.

References vec3_dot().

Referenced by vec3_is_normalized().

vec3_lerp()

vector3 vec3_lerp	(	const vector3	a,
		const vector3	b,
		const vm_float_t	t )

Linearly interpolates between two vector3.

See vec3_lerp_ptr for the out-parameter version.

Parameters

a	Start vector.
b	End vector.
t	Interpolation factor [0, 1].

Returns

The interpolated vector (a * (1 - t) + b * t).

Definition at line 370 of file vector3.c.

References vec3_lerp_ptr().

vec3_limit_length()

vector3 vec3_limit_length	(	const vector3	v,
		const vm_float_t	max_len )

Clamps the vector length to max_len.

See vec3_limit_length_ptr instead.

Parameters

v	Input vector.
max_len	Maximum length.

Returns

The resulting vector3.

Definition at line 675 of file vector3.c.

References vec3_limit_length_ptr().

vec3_max()

vector3 vec3_max	(	const vector3	a,
		const vector3	b )

Computes the component-wise maximum of two vector3.

See vec3_max_ptr for the out-parameter version.

Parameters

a	First vector.
b	Second vector.

Returns

Per-component max(a, b).

Definition at line 259 of file vector3.c.

References vec3_max_ptr().

vec3_max_component()

vm_float_t vec3_max_component

(

const vector3

v

)

Returns the largest component.

Parameters

v	Input vector.

Returns

The resulting scalar.

Definition at line 788 of file vector3.c.

References VECMAT_FMAX, vector3::x, vector3::y, and vector3::z.

vec3_min()

vector3 vec3_min	(	const vector3	a,
		const vector3	b )

Computes the component-wise minimum of two vector3.

See vec3_min_ptr for the out-parameter version.

Parameters

a	First vector.
b	Second vector.

Returns

Per-component min(a, b).

Definition at line 243 of file vector3.c.

References vec3_min_ptr().

vec3_min_component()

vm_float_t vec3_min_component

(

const vector3

v

)

Returns the smallest component.

Parameters

v	Input vector.

Returns

The resulting scalar.

Definition at line 777 of file vector3.c.

References VECMAT_FMIN, vector3::x, vector3::y, and vector3::z.

vec3_move_toward()

vector3 vec3_move_toward	(	const vector3	current,
		const vector3	target,
		const vm_float_t	max_delta )

Moves current toward target by at most max_delta.

See vec3_move_toward_ptr instead.

Parameters

current	Current position.
target	Target position.
max_delta	Maximum distance to move.

Returns

The resulting vector3.

Definition at line 659 of file vector3.c.

References vec3_move_toward_ptr().

vec3_mul()

vector3 vec3_mul	(	const vector3	a,
		const vector3	b )

Component-wise multiplication of two vectors.

See vec3_mul_ptr for the out-parameter version.

Parameters

a	First vector.
b	Second vector.

Returns

Result vector.

Definition at line 166 of file vector3.c.

References vec3_mul_ptr().

vec3_mul_scalar()

vector3 vec3_mul_scalar	(	const vector3	v,
		const vm_float_t	s )

Component-wise multiplication of vector by scalar.

See vec3_mul_scalar_ptr for the out-parameter version.

Parameters

v	The vector.
s	The scalar.

Returns

Result vector.

Definition at line 134 of file vector3.c.

References vec3_mul_scalar_ptr().

vec3_near()

bool vec3_near	(	const vector3	a,
		const vector3	b,
		const vm_float_t	eps )

Returns true if a and b are within eps of each other.

Parameters

a	First input vector.
b	Second input vector.
eps	Distance tolerance.

Returns

True if a and b are within eps.

Definition at line 836 of file vector3.c.

References VECMAT_FABS, vector3::x, vector3::y, and vector3::z.

vec3_neg()

vector3 vec3_neg

(

const vector3

v

)

Negation of a vector.

See vec3_neg_ptr for the out-parameter version.

Parameters

v	The vector.

Returns

The negated vector.

Definition at line 181 of file vector3.c.

References vec3_neg_ptr().

vec3_normalize()

vector3 vec3_normalize

(

const vector3

v

)

Normalizes a vector3 to unit length.

See vec3_normalize_ptr for the out-parameter version.

Parameters

v	The vector (non-zero).

Returns

The normalized vector.

Definition at line 227 of file vector3.c.

References vec3_normalize_ptr().

Referenced by mat4_look_at_ptr(), mat4_rotation_ptr(), and quat_from_axis_angle_ptr().

vec3_one()

vector3 vec3_one

(

void

)

Returns a vector3 with all components set to 1.0f.

Returns

A vector3 with all components set to 1.0f.

Definition at line 22 of file vector3.c.

vec3_orthonormal_basis()

void vec3_orthonormal_basis	(	const vector3	n,
		vector3 *	t,
		vector3 *	b )

Builds a tangent and bitangent orthonormal to n.

Parameters

n	Unit normal.
t	Output tangent.
b	Output bitangent.

Definition at line 704 of file vector3.c.

References vec3_orthonormal_basis_ptr().

vec3_project()

vector3 vec3_project	(	const vector3	a,
		const vector3	b )

Projects a onto b.

See vec3_project_ptr instead.

Parameters

a	First input vector.
b	Second input vector.

Returns

The resulting vector3.

Definition at line 564 of file vector3.c.

References vec3_project_ptr().

vec3_reflect()

vector3 vec3_reflect	(	const vector3	incident,
		const vector3	normal )

Reflects an incident vector over normal.

See vec3_reflect_ptr for the out-parameter version.

Parameters

incident	The incident vector.
normal	The surface normal.

Returns

The reflected vector.

Definition at line 335 of file vector3.c.

References vec3_reflect_ptr().

vec3_refract()

vector3 vec3_refract	(	const vector3	incident,
		const vector3	normal,
		const vm_float_t	eta )

Refracts an incident vector across an interface with a given normal and ratio of refraction eta.

See vec3_refract_ptr for the out-parameter version.

Parameters

incident	The incident vector.
normal	The surface normal.
eta	The ratio of refraction (eta = n1 / n2).

Returns

The refracted vector, or incident if total internal reflection.

Definition at line 353 of file vector3.c.

References vec3_refract_ptr().

vec3_reject()

vector3 vec3_reject	(	const vector3	a,
		const vector3	b )

Returns the component of a orthogonal to b.

See vec3_reject_ptr instead.

Parameters

a	First input vector.
b	Second input vector.

Returns

The resulting vector3.

Definition at line 596 of file vector3.c.

References vec3_reject_ptr().

vec3_rotate_axis()

vector3 vec3_rotate_axis	(	const vector3	v,
		const vector3	axis,
		const vm_float_t	angle )

Rotates v around axis by angle radians.

See vec3_rotate_axis_ptr instead.

Parameters

v	Input vector.
axis	Rotation axis.
angle	Angle in radians.

Returns

The resulting vector3.

Definition at line 613 of file vector3.c.

References vec3_rotate_axis_ptr().

vec3_round()

vector3 vec3_round

(

const vector3

v

)

Applies round per component to a vector3.

See vec3_round_ptr for the out-parameter version.

Parameters

v	The vector.

Returns

The rounded vector.

Definition at line 319 of file vector3.c.

References vec3_round_ptr().

vec3_saturate()

vector3 vec3_saturate

(

const vector3

v

)

Clamps each component to the range [0, 1].

See vec3_saturate_ptr instead.

Parameters

v	Input vector.

Returns

The resulting vector3.

Definition at line 533 of file vector3.c.

References vec3_saturate_ptr().

vec3_scale()

vector3 vec3_scale	(	const vector3	v,
		const vm_float_t	s )

Scales the vector by a scalar.

See vec3_scale_ptr instead.

Parameters

v	Input vector.
s	Scalar value.

Returns

The resulting vector3.

Definition at line 453 of file vector3.c.

References vec3_scale_ptr().

vec3_sign()

vector3 vec3_sign

(

const vector3

v

)

Computes the sign per component of a vector3 (-1, 0, or 1).

See vec3_sign_ptr for the out-parameter version.

Parameters

v	The vector.

Returns

The sign vector.

Definition at line 274 of file vector3.c.

References vec3_sign_ptr().

vec3_signed_angle()

vm_float_t vec3_signed_angle	(	const vector3	a,
		const vector3	b,
		const vector3	axis )

Returns the signed angle from a to b around axis.

Parameters

a	First input vector.
b	Second input vector.
axis	Rotation axis.

Returns

The resulting scalar.

Definition at line 765 of file vector3.c.

References vec3_cross(), vec3_dot(), and VECMAT_ATAN2.

vec3_slide()

vector3 vec3_slide	(	const vector3	v,
		const vector3	normal )

Removes the component of v along normal.

See vec3_slide_ptr instead.

Parameters

v	Input vector.
normal	Surface normal.

Returns

The resulting vector3.

Definition at line 580 of file vector3.c.

References vec3_slide_ptr().

vec3_splat()

vector3 vec3_splat

(

const vm_float_t

s

)

Returns a vector with every component set to s.

See vec3_splat_ptr instead.

Parameters

s	Scalar value.

Returns

The resulting vector3.

Definition at line 628 of file vector3.c.

vec3_sub()

vector3 vec3_sub	(	const vector3	a,
		const vector3	b )

Component-wise subtraction of two vectors.

See vec3_sub_ptr for the out-parameter version.

Parameters

a	First vector.
b	Second vector.

Returns

Result vector.

Definition at line 118 of file vector3.c.

References vec3_sub_ptr().

Referenced by mat4_look_at_ptr(), and vec3_distance().

vec3_sub_scalar()

vector3 vec3_sub_scalar	(	const vector3	v,
		const vm_float_t	s )

Subtracts a scalar from each component.

See vec3_sub_scalar_ptr instead.

Parameters

v	Input vector.
s	Scalar value.

Returns

The resulting vector3.

Definition at line 501 of file vector3.c.

References vec3_sub_scalar_ptr().

vec3_sum()

vm_float_t vec3_sum

(

const vector3

v

)

Returns the sum of all components.

Parameters

v	Input vector.

Returns

The resulting scalar.

Definition at line 799 of file vector3.c.

References vector3::x, vector3::y, and vector3::z.

vec3_x_axis()

vector3 vec3_x_axis

(

const vm_float_t

x

)

Returns a vector3 along the x-axis.

Parameters

x	The x component value.

Returns

A vector3 with (x, 0.0f, 0.0f).

Definition at line 33 of file vector3.c.

vec3_x_scale()

vector3 vec3_x_scale

(

const vm_float_t

x

)

Returns a vector3 for scaling along the x-axis.

Parameters

x	The x scale factor.

Returns

A vector3 with (x, 1.0f, 1.0f).

Definition at line 66 of file vector3.c.

vec3_xy()

vector2 vec3_xy

(

const vector3

v

)

Returns the x and y components as a 2D vector.

See vec3_xy_ptr instead.

Parameters

v	Input vector.

Returns

The resulting vector2.

Definition at line 690 of file vector3.c.

References vec3_xy_ptr().

vec3_y_axis()

vector3 vec3_y_axis

(

const vm_float_t

y

)

Returns a vector3 along the y-axis.

Parameters

y	The y component value.

Returns

A vector3 with (0.0f, y, 0.0f).

Definition at line 44 of file vector3.c.

vec3_y_scale()

vector3 vec3_y_scale

(

const vm_float_t

y

)

Returns a vector3 for scaling along the y-axis.

Parameters

y	The y scale factor.

Returns

A vector3 with (1.0f, y, 1.0f).

Definition at line 77 of file vector3.c.

vec3_z_axis()

vector3 vec3_z_axis

(

const vm_float_t

z

)

Returns a vector3 along the z-axis.

Parameters

z	The z component value.

Returns

A vector3 with (0.0f, 0.0f, z).

Definition at line 55 of file vector3.c.

vec3_z_scale()

vector3 vec3_z_scale

(

const vm_float_t

z

)

Returns a vector3 for scaling along the z-axis.

Parameters

z	The z scale factor.

Returns

A vector3 with (1.0f, 1.0f, z).

Definition at line 88 of file vector3.c.

vec3_zero()

vector3 vec3_zero

(

void

)

Returns a zero-initialized vector3.

Returns

A vector3 with all components set to 0.0f.

Definition at line 12 of file vector3.c.