Struct bones_framework::glam::Mat2
source · pub struct Mat2(/* private fields */);
Expand description
A 2x2 column major matrix.
SIMD vector types are used for storage on supported platforms.
This type is 16 byte aligned.
Implementations§
source§impl Mat2
impl Mat2
sourcepub const IDENTITY: Mat2 = _
pub const IDENTITY: Mat2 = _
A 2x2 identity matrix, where all diagonal elements are 1
, and all off-diagonal elements are 0
.
sourcepub const fn from_cols(x_axis: Vec2, y_axis: Vec2) -> Mat2
pub const fn from_cols(x_axis: Vec2, y_axis: Vec2) -> Mat2
Creates a 2x2 matrix from two column vectors.
sourcepub const fn from_cols_array(m: &[f32; 4]) -> Mat2
pub const fn from_cols_array(m: &[f32; 4]) -> Mat2
Creates a 2x2 matrix from a [f32; 4]
array stored in column major order.
If your data is stored in row major you will need to transpose
the returned
matrix.
sourcepub const fn to_cols_array(&self) -> [f32; 4]
pub const fn to_cols_array(&self) -> [f32; 4]
Creates a [f32; 4]
array storing data in column major order.
If you require data in row major order transpose
the matrix first.
sourcepub const fn from_cols_array_2d(m: &[[f32; 2]; 2]) -> Mat2
pub const fn from_cols_array_2d(m: &[[f32; 2]; 2]) -> Mat2
Creates a 2x2 matrix from a [[f32; 2]; 2]
2D array stored in column major order.
If your data is in row major order you will need to transpose
the returned
matrix.
sourcepub const fn to_cols_array_2d(&self) -> [[f32; 2]; 2]
pub const fn to_cols_array_2d(&self) -> [[f32; 2]; 2]
Creates a [[f32; 2]; 2]
2D array storing data in column major order.
If you require data in row major order transpose
the matrix first.
sourcepub const fn from_diagonal(diagonal: Vec2) -> Mat2
pub const fn from_diagonal(diagonal: Vec2) -> Mat2
Creates a 2x2 matrix with its diagonal set to diagonal
and all other entries set to 0.
sourcepub fn from_scale_angle(scale: Vec2, angle: f32) -> Mat2
pub fn from_scale_angle(scale: Vec2, angle: f32) -> Mat2
Creates a 2x2 matrix containing the combining non-uniform scale
and rotation of
angle
(in radians).
sourcepub fn from_angle(angle: f32) -> Mat2
pub fn from_angle(angle: f32) -> Mat2
Creates a 2x2 matrix containing a rotation of angle
(in radians).
sourcepub fn from_mat3(m: Mat3) -> Mat2
pub fn from_mat3(m: Mat3) -> Mat2
Creates a 2x2 matrix from a 3x3 matrix, discarding the 2nd row and column.
sourcepub fn from_mat3a(m: Mat3A) -> Mat2
pub fn from_mat3a(m: Mat3A) -> Mat2
Creates a 2x2 matrix from a 3x3 matrix, discarding the 2nd row and column.
sourcepub const fn from_cols_slice(slice: &[f32]) -> Mat2
pub const fn from_cols_slice(slice: &[f32]) -> Mat2
Creates a 2x2 matrix from the first 4 values in slice
.
§Panics
Panics if slice
is less than 4 elements long.
sourcepub fn write_cols_to_slice(self, slice: &mut [f32])
pub fn write_cols_to_slice(self, slice: &mut [f32])
Writes the columns of self
to the first 4 elements in slice
.
§Panics
Panics if slice
is less than 4 elements long.
sourcepub fn col_mut(&mut self, index: usize) -> &mut Vec2
pub fn col_mut(&mut self, index: usize) -> &mut Vec2
Returns a mutable reference to the matrix column for the given index
.
§Panics
Panics if index
is greater than 1.
sourcepub fn is_finite(&self) -> bool
pub fn is_finite(&self) -> bool
Returns true
if, and only if, all elements are finite.
If any element is either NaN
, positive or negative infinity, this will return false
.
sourcepub fn determinant(&self) -> f32
pub fn determinant(&self) -> f32
Returns the determinant of self
.
sourcepub fn inverse(&self) -> Mat2
pub fn inverse(&self) -> Mat2
Returns the inverse of self
.
If the matrix is not invertible the returned matrix will be invalid.
§Panics
Will panic if the determinant of self
is zero when glam_assert
is enabled.
sourcepub fn mul_scalar(&self, rhs: f32) -> Mat2
pub fn mul_scalar(&self, rhs: f32) -> Mat2
Multiplies a 2x2 matrix by a scalar.
sourcepub fn abs_diff_eq(&self, rhs: Mat2, max_abs_diff: f32) -> bool
pub fn abs_diff_eq(&self, rhs: Mat2, max_abs_diff: f32) -> bool
Returns true if the absolute difference of all elements between self
and rhs
is less than or equal to max_abs_diff
.
This can be used to compare if two matrices contain similar elements. It works best
when comparing with a known value. The max_abs_diff
that should be used used
depends on the values being compared against.
For more see comparing floating point numbers.
pub fn as_dmat2(&self) -> DMat2
Trait Implementations§
source§impl AddAssign for Mat2
impl AddAssign for Mat2
source§fn add_assign(&mut self, rhs: Mat2)
fn add_assign(&mut self, rhs: Mat2)
+=
operation. Read moresource§impl<'de> Deserialize<'de> for Mat2
impl<'de> Deserialize<'de> for Mat2
source§fn deserialize<D>(
deserializer: D,
) -> Result<Mat2, <D as Deserializer<'de>>::Error>where
D: Deserializer<'de>,
fn deserialize<D>(
deserializer: D,
) -> Result<Mat2, <D as Deserializer<'de>>::Error>where
D: Deserializer<'de>,
source§impl MulAssign<f32> for Mat2
impl MulAssign<f32> for Mat2
source§fn mul_assign(&mut self, rhs: f32)
fn mul_assign(&mut self, rhs: f32)
*=
operation. Read moresource§impl MulAssign for Mat2
impl MulAssign for Mat2
source§fn mul_assign(&mut self, rhs: Mat2)
fn mul_assign(&mut self, rhs: Mat2)
*=
operation. Read moresource§impl Serialize for Mat2
impl Serialize for Mat2
source§fn serialize<S>(
&self,
serializer: S,
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where
S: Serializer,
fn serialize<S>(
&self,
serializer: S,
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where
S: Serializer,
source§impl SubAssign for Mat2
impl SubAssign for Mat2
source§fn sub_assign(&mut self, rhs: Mat2)
fn sub_assign(&mut self, rhs: Mat2)
-=
operation. Read moreimpl Copy for Mat2
impl Pod for Mat2
Auto Trait Implementations§
impl Freeze for Mat2
impl RefUnwindSafe for Mat2
impl Send for Mat2
impl Sync for Mat2
impl Unpin for Mat2
impl UnwindSafe for Mat2
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