Struct Vector 

pub struct Vector {
    pub x: f64,
    pub y: f64,
}

A displacement in the plane. Serialized as [x, y].

Fields

x: f64

X component.

y: f64

Y component.

Implementations

impl Vector

pub const ZERO: Self

Zero vector.

pub const fn new(x: f64, y: f64) -> Self

Create a vector.

pub fn from_angle(angle: f64) -> Self

Unit vector at angle radians from +X, counter-clockwise.

pub fn is_finite(self) -> bool

Both components are finite.

pub fn length(self) -> f64

Euclidean length (overflow-safe).

pub fn length_sq(self) -> f64

Squared length.

pub fn dot(self, o: Self) -> f64

Dot product.

pub fn cross(self, o: Self) -> f64

2D cross product (z component of the 3D cross product).

pub fn normalize(self) -> Option<Self>

Unit vector in the same direction, or None for a zero/non-finite vector.

pub const fn perp(self) -> Self

Rotate 90° counter-clockwise.

pub fn angle(self) -> f64

Angle from +X in radians, in (-π, π].

pub fn rotate(self, angle: f64) -> Self

Rotate by angle radians counter-clockwise.

pub const fn to_point(self) -> Point

Point at the tip of this vector from the origin.

Trait Implementations

impl Add for Vector

type Output = Vector

The resulting type after applying the + operator.

fn add(self, o: Self) -> Self

Performs the + operation.

impl Add<Vector> for Point

type Output = Point

The resulting type after applying the + operator.

fn add(self, v: Vector) -> Self

Performs the + operation.

impl AddAssign for Vector

fn add_assign(&mut self, o: Self)

Performs the += operation.

impl AddAssign<Vector> for Point

fn add_assign(&mut self, v: Vector)

Performs the += operation.

impl Clone for Vector

fn clone(&self) -> Vector

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Vector

impl Debug for Vector

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

Formats the value using the given formatter.

impl Default for Vector

fn default() -> Vector

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Vector

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Div<f64> for Vector

type Output = Vector

The resulting type after applying the / operator.

fn div(self, s: f64) -> Self

Performs the / operation.

impl From<Vector> for [f64; 2]

fn from(p: Vector) -> Self

Converts to this type from the input type.

impl From<[f64; 2]> for Vector

fn from(v: [f64; 2]) -> Self

Converts to this type from the input type.

impl Mul<Vector> for f64

type Output = Vector

The resulting type after applying the * operator.

fn mul(self, v: Vector) -> Vector

Performs the * operation.

impl Mul<f64> for Vector

type Output = Vector

The resulting type after applying the * operator.

fn mul(self, s: f64) -> Self

Performs the * operation.

impl Neg for Vector

type Output = Vector

The resulting type after applying the - operator.

fn neg(self) -> Self

Performs the unary - operation.

impl PartialEq for Vector

fn eq(&self, other: &Vector) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for Vector

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Vector

impl Sub for Vector

type Output = Vector

The resulting type after applying the - operator.

fn sub(self, o: Self) -> Self

Performs the - operation.

impl Sub<Vector> for Point

type Output = Point

The resulting type after applying the - operator.

fn sub(self, v: Vector) -> Self

Performs the - operation.

impl SubAssign<Vector> for Point

fn sub_assign(&mut self, v: Vector)

Performs the -= operation.