Struct shape_core::Point

#[repr(C)]
pub struct Point<T> {
    pub x: T,
    pub y: T,
}

A 2D points.

Fields

x: T

The x-coordinate of the point

y: T

The y-coordinate of the point

Implementations

impl<T> Point<T>

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

Construct new points

impl<T> Point<T>

pub fn ref_inner(&self) -> Point<&T>

impl<T> Point<T>where T: Num + Clone,

pub fn norm(&self) -> Twhere T: Float,

pub fn cross_dot(&self, a: &Self, b: &Self) -> T

\vec{PA}\times\vec{PB} = (a_x-b_x)*(p_y-b_y)-(p_x-b_x)*(a_y-b_y)

impl<T> Point<T>where Expr: From<T>, T: Clone,

pub fn as_wolfram(&self) -> Expr

Trait Implementations

impl<T, V> Add<V> for Point<T>where Point<T>: From<V>, T: Add<Output = T>,

type Output = Point<T>

The resulting type after applying the + operator.

fn add(self, rhs: V) -> Self::Output

Performs the + operation.

impl<T: Clone> Clone for Point<T>

fn clone(&self) -> Point<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T> Debug for Point<T>where T: Debug,

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

Formats the value using the given formatter.

impl<T: Zero> Default for Point<T>

fn default() -> Self

Returns the “default value” for a type.

impl<'de, T> Deserialize<'de> for Point<T>where T: Deserialize<'de>,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<T> Display for Point<T>where T: Display,

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

Formats the value using the given formatter.

impl<T> EuclideanDistance<T> for Point<T>where T: Real,

fn euclidean_distance(&self, c: &Point<T>) -> T

Minimum distance between two Coords

fn euclidean_squared(&self, rhs: &Point<T>) -> T

It is especially suitable when only the length needs to be compared

impl<T: Float> EuclideanDistance<T, Circle<T>> for Point<T>

fn euclidean_distance(&self, rhs: &Circle<T>) -> T

fn euclidean_squared(&self, rhs: &Circle<T>) -> T

It is especially suitable when only the length needs to be compared

impl<T: Float> EuclideanDistance<T, Line<T>> for Point<T>

fn euclidean_distance(&self, rhs: &Line<T>) -> T

fn euclidean_squared(&self, rhs: &Line<T>) -> T

It is especially suitable when only the length needs to be compared

impl<T> EuclideanDistance<T, PointSet<T>> for Point<T>where T: Float + PartialOrd,

fn euclidean_squared(&self, rhs: &PointSet<T>) -> T

适合单次查询最近的点

fn euclidean_distance(&self, rhs: &PointSet<T>) -> T

impl<T: Float> EuclideanDistance<T, Triangle<T>> for Point<T>

fn euclidean_distance(&self, rhs: &Triangle<T>) -> T

fn euclidean_squared(&self, rhs: &Triangle<T>) -> T

It is especially suitable when only the length needs to be compared

impl<T> From<&Point<T>> for Circle<T>where T: One + Clone,

fn from(point: &Point<T>) -> Self

Converts to this type from the input type.

impl<T> From<&Point<T>> for Point<T>where T: Clone,

fn from(point: &Point<T>) -> Self

Converts to this type from the input type.

impl<T> From<[T; 2]> for Point<T>

fn from([x, y]: [T; 2]) -> Self

Converts to this type from the input type.

impl<T> From<(T, T)> for Point<T>

fn from((x, y): (T, T)) -> Self

Converts to this type from the input type.

impl<T> From<Point<&T>> for Point<T>where T: Clone,

fn from(point: Point<&T>) -> Self

Converts to this type from the input type.

impl<T: Hash> Hash for Point<T>

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<T> ManhattanDistance<T> for Point<T>where T: PartialOrd + Clone + Sub<Output = T> + Add<Output = T>,

fn manhattan_distance(&self, rhs: &Point<T>) -> T

impl<T> Neg for Point<T>where T: Neg<Output = T>,

type Output = Point<T>

The resulting type after applying the - operator.

fn neg(self) -> Self::Output

Performs the unary - operation.

impl<T: PartialEq> PartialEq for Point<T>

fn eq(&self, other: &Point<T>) -> bool

This method tests for self and other values to be equal, and is used by ==.

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

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

impl<T> Projective<T> for Point<T>where T: Real,

fn transform(&mut self, matrix: &[&T; 9])

Transform by a 3×3 matrix.

fn translate(&mut self, x: &T, y: &T)

Transform by length $\delta x, \delta y$.

fn translate_x(&mut self, x: &T)

Transform by length $\delta x$.

fn translate_y(&mut self, y: &T)

Transform by length $\delta y$.

fn rotate(&mut self, angle: &T)

Transform by rotate degree $\alpha$.

fn rotate_point(&mut self, point: &[&T; 2], angle: &T)

Transform by rotate with a point $\alpha$.

fn scale(&mut self, x: &T, y: &T)

Transform by scale $x, y$.

fn scale_x(&mut self, x: &T)

Transform by scale $x$.

fn scale_y(&mut self, y: &T)

Transform by scale $y$.

fn reflect(&mut self, x: &T, y: &T)

Transform by skew $x, y$.

fn reflect_x(&mut self)

Transform by skew $x$.

fn reflect_y(&mut self)

Transform by skew $y$.

fn skew(&mut self, a: &T, b: &T)

Transform by angle $\alpha, \beta$.

fn skew_x(&mut self, a: &T)

Transform by angle $\alpha$.

fn skew_y(&mut self, b: &T)

Transform by angle $\beta$.

impl<T> Serialize for Point<T>where T: Serialize,

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

Serialize this value into the given Serde serializer.

impl<T, V> Sub<V> for Point<T>where Point<T>: From<V>, T: Sub<Output = T>,

type Output = Point<T>

The resulting type after applying the - operator.

fn sub(self, rhs: V) -> Self::Output

Performs the - operation.

impl<T: Copy> Copy for Point<T>

impl<T: Eq> Eq for Point<T>

impl<T> StructuralEq for Point<T>

impl<T> StructuralPartialEq for Point<T>