Struct B2Rot 

pub struct B2Rot {
    pub s: f32,
    pub c: f32,
}

Rotation

Fields

s: f32

Sine and cosine

c: f32

Implementations

impl B2Rot

pub fn new(angle: f32) -> B2Rot

initialize from an angle in radians

pub fn set(&mut self, angle: f32)

Set using an angle in radians.

pub fn set_identity(&mut self)

Set to the identity rotation

pub fn get_angle(self) -> f32

Get the angle in radians

pub fn get_xaxis(self) -> B2vec2

Get the x-axis

pub fn get_yaxis(self) -> B2vec2

Get the u-axis

Trait Implementations

impl Clone for B2Rot

fn clone(&self) -> B2Rot

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for B2Rot

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for B2Rot

fn default() -> B2Rot

Returns the “default value” for a type.

impl Copy for B2Rot