src/vecmat.c file

Functions

auto deg_to_rad(vm_float_t degrees) -> vm_float_t: Converts degrees to radians.
auto rad_to_deg(vm_float_t radians) -> vm_float_t: Converts radians to degrees.
auto vec2_eq(vector2 a, vector2 b) -> bool: Returns true if two vectors are equal within VECMAT_EPSILON.
auto vec3_eq(vector3 a, vector3 b) -> bool: Returns true if two vectors are equal within VECMAT_EPSILON.
auto vec4_eq(vector4 a, vector4 b) -> bool: Returns true if two vectors are equal within VECMAT_EPSILON.
auto mat2_eq(matrix2 a, matrix2 b) -> bool: Returns true if two matrices are equal within VECMAT_EPSILON.
auto mat3_eq(matrix3 a, matrix3 b) -> bool: Returns true if two matrices are equal within VECMAT_EPSILON.
auto mat4_eq(matrix4 a, matrix4 b) -> bool: Returns true if two matrices are equal within VECMAT_EPSILON.
auto quat_eq(quaternion a, quaternion b) -> bool: Returns true if two quaternions are equal within VECMAT_EPSILON.
auto vec2(vm_float_t x, vm_float_t y) -> vector2: Constructs a vector2 from x and y.
void vec2_assign(vector2* dest, const vector2* src): Copies src into dest.
void vec2_assign_xy(vector2* dest, vm_float_t x, vm_float_t y): Assigns x and y to dest.
void vec2_add_assign(vector2* dest, const vector2* src): Adds src to dest in place.
auto vec2_from(const vector2i* v) -> vector2: Converts a vector2i to a vector2.
auto vec2i_from(const vector2* v) -> vector2i: Converts a vector2 to a vector2i by truncation.
auto vec2i_from_floored(const vector2* v) -> vector2i: Converts a vector2 to a vector2i by flooring each component.
auto vec2i_from_rounded(const vector2* v) -> vector2i: Converts a vector2 to a vector2i by rounding each component.
auto vec3(vm_float_t x, vm_float_t y, vm_float_t z) -> vector3: Constructs a vector3 from x, y, and z.
void vec3_assign(vector3* dest, const vector3* src): Copies src into dest.
void vec3_assign_xyz(vector3* dest, vm_float_t x, vm_float_t y, vm_float_t z): Assigns x, y, and z to dest.
void vec3_add_assign(vector3* dest, const vector3* src): Adds src to dest in place.
auto vec3_from(const vector3i* v) -> vector3: Converts a vector3i to a vector3.
auto vec3i_from(const vector3* v) -> vector3i: Converts a vector3 to a vector3i by truncation.
auto vec3i_from_floored(const vector3* v) -> vector3i: Converts a vector3 to a vector3i by flooring each component.
auto vec3i_from_rounded(const vector3* v) -> vector3i: Converts a vector3 to a vector3i by rounding each component.

Function documentation

vm_float_t deg_to_rad(vm_float_t degrees)

Converts degrees to radians.

Parameters
degrees	Angle in degrees.
Returns	The angle in radians.

vm_float_t rad_to_deg(vm_float_t radians)

Converts radians to degrees.

Parameters
radians	Angle in radians.
Returns	The angle in degrees.

bool vec2_eq(vector2 a, vector2 b)

Returns true if two vectors are equal within VECMAT_EPSILON.

Parameters
a	First vector.
b	Second vector.
Returns	True if `a` and `b` are approximately equal.

bool vec3_eq(vector3 a, vector3 b)

Returns true if two vectors are equal within VECMAT_EPSILON.

Parameters
a	First vector.
b	Second vector.
Returns	True if a and b are approximately equal.

bool vec4_eq(vector4 a, vector4 b)

Returns true if two vectors are equal within VECMAT_EPSILON.

Parameters
a	First vector.
b	Second vector.
Returns	True if a and b are approximately equal.

bool mat2_eq(matrix2 a, matrix2 b)

Returns true if two matrices are equal within VECMAT_EPSILON.

Parameters
a	First matrix.
b	Second matrix.
Returns	True if a and b are approximately equal.

bool mat3_eq(matrix3 a, matrix3 b)

Returns true if two matrices are equal within VECMAT_EPSILON.

Parameters
a	First matrix.
b	Second matrix.
Returns	True if a and b are approximately equal.

bool mat4_eq(matrix4 a, matrix4 b)

Returns true if two matrices are equal within VECMAT_EPSILON.

Parameters
a	First matrix.
b	Second matrix.
Returns	True if a and b are approximately equal.

bool quat_eq(quaternion a, quaternion b)

Returns true if two quaternions are equal within VECMAT_EPSILON.

Parameters
a	First quaternion.
b	Second quaternion.
Returns	True if a and b are approximately equal.

vector2 vec2(vm_float_t x, vm_float_t y)

Constructs a vector2 from x and y.

Parameters
x	X component.
y	Y component.
Returns	The resulting vector2.

void vec2_assign(vector2* dest, const vector2* src)

Copies src into dest.

Parameters
dest	Destination vector.
src	Source vector.

void vec2_assign_xy(vector2* dest, vm_float_t x, vm_float_t y)

Assigns x and y to dest.

Parameters
dest	Destination vector.
x	X component.
y	Y component.

void vec2_add_assign(vector2* dest, const vector2* src)

Adds src to dest in place.

Parameters
dest	Destination vector.
src	Vector to add.

vector2 vec2_from(const vector2i* v)

Converts a vector2i to a vector2.

Parameters
v	Input integer vector.
Returns	The resulting vector2.

vector2i vec2i_from(const vector2* v)

Converts a vector2 to a vector2i by truncation.

Parameters
v	Input vector.
Returns	The resulting vector2i.

vector2i vec2i_from_floored(const vector2* v)

Converts a vector2 to a vector2i by flooring each component.

Parameters
v	Input vector.
Returns	The resulting vector2i.

vector2i vec2i_from_rounded(const vector2* v)

Converts a vector2 to a vector2i by rounding each component.

Parameters
v	Input vector.
Returns	The resulting vector2i.

vector3 vec3(vm_float_t x, vm_float_t y, vm_float_t z)

Constructs a vector3 from x, y, and z.

Parameters
x	X component.
y	Y component.
z	Z component.
Returns	The resulting vector3.

void vec3_assign(vector3* dest, const vector3* src)

Copies src into dest.

Parameters
dest	Destination vector.
src	Source vector.

void vec3_assign_xyz(vector3* dest, vm_float_t x, vm_float_t y, vm_float_t z)

Assigns x, y, and z to dest.

Parameters
dest	Destination vector.
x	X component.
y	Y component.
z	Z component.

void vec3_add_assign(vector3* dest, const vector3* src)

Adds src to dest in place.

Parameters
dest	Destination vector.
src	Vector to add.

vector3 vec3_from(const vector3i* v)

Converts a vector3i to a vector3.

Parameters
v	Input integer vector.
Returns	The resulting vector3.

vector3i vec3i_from(const vector3* v)

Converts a vector3 to a vector3i by truncation.

Parameters
v	Input vector.
Returns	The resulting vector3i.

vector3i vec3i_from_floored(const vector3* v)

Converts a vector3 to a vector3i by flooring each component.

Parameters
v	Input vector.
Returns	The resulting vector3i.

vector3i vec3i_from_rounded(const vector3* v)

Converts a vector3 to a vector3i by rounding each component.

Parameters
v	Input vector.
Returns	The resulting vector3i.