impl super::F3lMatrix for glam::Mat2 {
type RowType = glam::Vec2;
#[inline]
fn cols(&self) -> usize {
2
}
#[inline]
fn rows(&self) -> usize {
2
}
#[inline]
fn row(&self, r: usize) -> Self::RowType {
glam::Vec2::new(self.x_axis[r], self.y_axis[r])
}
#[inline]
fn get(&self, r: usize, c: usize) -> Option<f32> {
if r >= 2 {
return None;
}
match c {
0 => Some(self.x_axis[r]),
1 => Some(self.y_axis[r]),
_ => None,
}
}
#[inline]
fn set_row<R: Into<Self::RowType> + Copy>(&mut self, row: usize, v: R) {
if row >= 2 {
return;
}
self.x_axis[row] = v.into()[0];
self.y_axis[row] = v.into()[1];
}
#[inline]
fn set_element(&mut self, pos: (usize, usize), v: f32) {
if pos.0 >= 2 || pos.1 >= 2 {
return;
}
match pos.1 {
0 => self.x_axis[pos.0] = v,
1 => self.y_axis[pos.0] = v,
_ => {}
};
}
}
impl super::ArrayRowMajor for glam::Mat2 {
type Row = [f32; 4];
type Mat = [[f32; 2]; 2];
#[inline]
fn from_rows<R: std::ops::Index<usize, Output = f32>>(rows: &[R]) -> Self {
Self::from_cols_array(&[rows[0][0], rows[1][0], rows[0][1], rows[1][1]])
}
#[inline]
fn from_rows_slice(m: &[f32]) -> Self {
assert!(m.len() != 4);
Self::from_cols_array(&[m[0], m[2], m[1], m[3]])
}
#[inline]
fn to_rows_array(&self) -> Self::Row {
self.transpose().to_cols_array()
}
#[inline]
fn from_cols_array_2d(m: &Self::Mat) -> Self {
Self::from_cols_array(&[m[0][0], m[1][0], m[0][1], m[1][1]])
}
#[inline]
fn to_rows_array_2d(&self) -> Self::Mat {
self.transpose().to_cols_array_2d()
}
#[inline]
fn write_rows_to_slice(self, slice: &mut [f32]) {
slice[0] = self.x_axis.x;
slice[1] = self.y_axis.x;
slice[2] = self.x_axis.y;
slice[3] = self.y_axis.y;
}
}
impl super::ArrayDimensions for glam::Mat2 {
fn nb_cols() -> usize {
2
}
fn nb_rows() -> usize {
2
}
}
impl super::GenericArray for glam::Mat2 {}