Struct Line

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pub struct Line {
    pub from: Vector,
    pub to: Vector,
}
Expand description

直線 (線分)

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§from: Vector

線分の始点

§to: Vector

線分の終点

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impl Line

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pub fn new(from: Vector, to: Vector) -> Self

始点と終点を設定したLineを返す。

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pub fn unit(self) -> Vector

線分方向の単位ベクトルを返す。

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pub fn normal(self) -> Vector

線分と直交するベクトルを返す。

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pub fn diff(self) -> Vector

始点から終点に向かうベクトルを返す。

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pub fn abs(self) -> f64

線分の大きさを返す。

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

2つの線分の内積を求める。

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

2つの線分の外積を求める。

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pub fn eq(self, other: Self, eps: Eps) -> bool

2つの線分が等しければtrueを返す。

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pub fn projection(self, p: Vector) -> Vector

pから直線に引いた垂線と直線の交点を求める。

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pub fn reflection(self, p: Vector) -> Vector

直線を対象軸とした点pと線対称の位置の点を求める。

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pub fn is_orthogonal(self, other: Self, eps: Eps) -> bool

2つの直線が直交していればtrueを返す。

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pub fn is_parallel(self, other: Self, eps: Eps) -> bool

2つの直線が平行していればtrueを返す。

Trait Implementations§

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impl Clone for Line

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fn clone(&self) -> Line

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Line

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

Formats the value using the given formatter. Read more
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impl Default for Line

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fn default() -> Line

Returns the “default value” for a type. Read more
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impl Copy for Line

Auto Trait Implementations§

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impl Freeze for Line

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impl RefUnwindSafe for Line

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impl Send for Line

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impl Sync for Line

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impl Unpin for Line

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impl UnwindSafe for Line

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.