# Struct bevy::math::bounding::RayCast2d

``````pub struct RayCast2d {
pub ray: Ray2d,
pub max: f32,
/* private fields */
}``````
Expand description

A raycast intersection test for 2D bounding volumes

## Fields§

§`ray: Ray2d`

The ray for the test

§`max: f32`

The maximum distance for the ray

## Implementations§

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### impl RayCast2d

#### pub fn new(origin: Vec2, direction: Dir2, max: f32) -> RayCast2d

Construct a `RayCast2d` from an origin, `Dir2`, and max distance.

#### pub fn from_ray(ray: Ray2d, max: f32) -> RayCast2d

Construct a `RayCast2d` from a `Ray2d` and max distance.

##### Examples found in repository?
examples/2d/bounding_2d.rs (line 302)
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```
``````fn get_and_draw_ray(gizmos: &mut Gizmos, time: &Time) -> RayCast2d {
let ray = Vec2::new(time.elapsed_seconds().cos(), time.elapsed_seconds().sin());
let dist = 150. + (0.5 * time.elapsed_seconds()).sin().abs() * 500.;

let aabb_ray = Ray2d {
origin: ray * 250.,
direction: Dir2::new_unchecked(-ray),
};
let ray_cast = RayCast2d::from_ray(aabb_ray, dist - 20.);

draw_ray(gizmos, &ray_cast);
ray_cast
}``````

#### pub fn direction_recip(&self) -> Vec2

Get the cached multiplicative inverse of the direction of the ray.

#### pub fn aabb_intersection_at(&self, aabb: &Aabb2d) -> Option<f32>

Get the distance of an intersection with an `Aabb2d`, if any.

##### Examples found in repository?
examples/2d/bounding_2d.rs (line 317)
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```
``````fn ray_cast_system(
mut gizmos: Gizmos,
time: Res<Time>,
mut volumes: Query<(&CurrentVolume, &mut Intersects)>,
) {
let ray_cast = get_and_draw_ray(&mut gizmos, &time);

for (volume, mut intersects) in volumes.iter_mut() {
let toi = match volume {
CurrentVolume::Aabb(a) => ray_cast.aabb_intersection_at(a),
CurrentVolume::Circle(c) => ray_cast.circle_intersection_at(c),
};
**intersects = toi.is_some();
if let Some(toi) = toi {
draw_filled_circle(
&mut gizmos,
ray_cast.ray.origin + *ray_cast.ray.direction * toi,
LIME,
);
}
}
}``````

#### pub fn circle_intersection_at(&self, circle: &BoundingCircle) -> Option<f32>

Get the distance of an intersection with a `BoundingCircle`, if any.

##### Examples found in repository?
examples/2d/bounding_2d.rs (line 318)
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```
``````fn ray_cast_system(
mut gizmos: Gizmos,
time: Res<Time>,
mut volumes: Query<(&CurrentVolume, &mut Intersects)>,
) {
let ray_cast = get_and_draw_ray(&mut gizmos, &time);

for (volume, mut intersects) in volumes.iter_mut() {
let toi = match volume {
CurrentVolume::Aabb(a) => ray_cast.aabb_intersection_at(a),
CurrentVolume::Circle(c) => ray_cast.circle_intersection_at(c),
};
**intersects = toi.is_some();
if let Some(toi) = toi {
draw_filled_circle(
&mut gizmos,
ray_cast.ray.origin + *ray_cast.ray.direction * toi,
LIME,
);
}
}
}``````

## Trait Implementations§

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### impl Clone for RayCast2d

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#### fn clone(&self) -> RayCast2d

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 RayCast2d

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

Formats the value using the given formatter. Read more
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### impl FromReflect for RayCast2dwhere RayCast2d: Any + Send + Sync, Ray2d: FromReflect + TypePath + RegisterForReflection, f32: FromReflect + TypePath + RegisterForReflection, Vec2: FromReflect + TypePath + RegisterForReflection,

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#### fn from_reflect(reflect: &(dyn Reflect + 'static)) -> Option<RayCast2d>

Constructs a concrete instance of `Self` from a reflected value.
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#### fn take_from_reflect( reflect: Box<dyn Reflect>, ) -> Result<Self, Box<dyn Reflect>>

Attempts to downcast the given value to `Self` using, constructing the value using `from_reflect` if that fails. Read more
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### impl GetTypeRegistration for RayCast2dwhere RayCast2d: Any + Send + Sync, Ray2d: FromReflect + TypePath + RegisterForReflection, f32: FromReflect + TypePath + RegisterForReflection, Vec2: FromReflect + TypePath + RegisterForReflection,

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#### fn get_type_registration() -> TypeRegistration

Returns the default `TypeRegistration` for this type.
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#### fn register_type_dependencies(registry: &mut TypeRegistry)

Registers other types needed by this type. Read more
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### impl IntersectsVolume<Aabb2d> for RayCast2d

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#### fn intersects(&self, volume: &Aabb2d) -> bool

Check if a volume intersects with this intersection test
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### impl IntersectsVolume<BoundingCircle> for RayCast2d

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#### fn intersects(&self, volume: &BoundingCircle) -> bool

Check if a volume intersects with this intersection test
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### impl Reflect for RayCast2dwhere RayCast2d: Any + Send + Sync, Ray2d: FromReflect + TypePath + RegisterForReflection, f32: FromReflect + TypePath + RegisterForReflection, Vec2: FromReflect + TypePath + RegisterForReflection,

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#### fn get_represented_type_info(&self) -> Option<&'static TypeInfo>

Returns the `TypeInfo` of the type represented by this value. Read more
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#### fn into_any(self: Box<RayCast2d>) -> Box<dyn Any>

Returns the value as a `Box<dyn Any>`.
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#### fn as_any(&self) -> &(dyn Any + 'static)

Returns the value as a `&dyn Any`.
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#### fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Returns the value as a `&mut dyn Any`.
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#### fn into_reflect(self: Box<RayCast2d>) -> Box<dyn Reflect>

Casts this type to a boxed reflected value.
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#### fn as_reflect(&self) -> &(dyn Reflect + 'static)

Casts this type to a reflected value.
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#### fn as_reflect_mut(&mut self) -> &mut (dyn Reflect + 'static)

Casts this type to a mutable reflected value.
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#### fn clone_value(&self) -> Box<dyn Reflect>

Clones the value as a `Reflect` trait object. Read more
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#### fn set(&mut self, value: Box<dyn Reflect>) -> Result<(), Box<dyn Reflect>>

Performs a type-checked assignment of a reflected value to this value. Read more
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#### fn try_apply( &mut self, value: &(dyn Reflect + 'static), ) -> Result<(), ApplyError>

Tries to `apply` a reflected value to this value. Read more
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#### fn reflect_kind(&self) -> ReflectKind

Returns a zero-sized enumeration of “kinds” of type. Read more
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#### fn reflect_ref(&self) -> ReflectRef<'_>

Returns an immutable enumeration of “kinds” of type. Read more
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#### fn reflect_mut(&mut self) -> ReflectMut<'_>

Returns a mutable enumeration of “kinds” of type. Read more
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#### fn reflect_owned(self: Box<RayCast2d>) -> ReflectOwned

Returns an owned enumeration of “kinds” of type. Read more
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#### fn reflect_partial_eq(&self, value: &(dyn Reflect + 'static)) -> Option<bool>

Returns a “partial equality” comparison result. Read more
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#### fn debug(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Debug formatter for the value. Read more
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#### fn apply(&mut self, value: &(dyn Reflect + 'static))

Applies a reflected value to this value. Read more
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#### fn reflect_hash(&self) -> Option<u64>

Returns a hash of the value (which includes the type). Read more
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#### fn serializable(&self) -> Option<Serializable<'_>>

Returns a serializable version of the value. Read more
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#### fn is_dynamic(&self) -> bool

Indicates whether or not this type is a dynamic type. Read more
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### impl Struct for RayCast2dwhere RayCast2d: Any + Send + Sync, Ray2d: FromReflect + TypePath + RegisterForReflection, f32: FromReflect + TypePath + RegisterForReflection, Vec2: FromReflect + TypePath + RegisterForReflection,

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#### fn field(&self, name: &str) -> Option<&(dyn Reflect + 'static)>

Returns a reference to the value of the field named `name` as a `&dyn Reflect`.
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#### fn field_mut(&mut self, name: &str) -> Option<&mut (dyn Reflect + 'static)>

Returns a mutable reference to the value of the field named `name` as a `&mut dyn Reflect`.
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#### fn field_at(&self, index: usize) -> Option<&(dyn Reflect + 'static)>

Returns a reference to the value of the field with index `index` as a `&dyn Reflect`.
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#### fn field_at_mut(&mut self, index: usize) -> Option<&mut (dyn Reflect + 'static)>

Returns a mutable reference to the value of the field with index `index` as a `&mut dyn Reflect`.
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#### fn name_at(&self, index: usize) -> Option<&str>

Returns the name of the field with index `index`.
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#### fn field_len(&self) -> usize

Returns the number of fields in the struct.
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#### fn iter_fields(&self) -> FieldIter<'_> ⓘ

Returns an iterator over the values of the reflectable fields for this struct.
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#### fn clone_dynamic(&self) -> DynamicStruct

Clones the struct into a `DynamicStruct`.
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### impl TypePath for RayCast2dwhere RayCast2d: Any + Send + Sync,

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#### fn type_path() -> &'static str

Returns the fully qualified path of the underlying type. Read more
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#### fn short_type_path() -> &'static str

Returns a short, pretty-print enabled path to the type. Read more
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#### fn type_ident() -> Option<&'static str>

Returns the name of the type, or `None` if it is anonymous. Read more
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#### fn crate_name() -> Option<&'static str>

Returns the name of the crate the type is in, or `None` if it is anonymous. Read more
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#### fn module_path() -> Option<&'static str>

Returns the path to the module the type is in, or `None` if it is anonymous. Read more
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### impl Typed for RayCast2dwhere RayCast2d: Any + Send + Sync, Ray2d: FromReflect + TypePath + RegisterForReflection, f32: FromReflect + TypePath + RegisterForReflection, Vec2: FromReflect + TypePath + RegisterForReflection,

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#### fn type_info() -> &'static TypeInfo

Returns the compile-time info for the underlying type.

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

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#### fn type_id(&self) -> TypeId

Gets the `TypeId` of `self`. Read more
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#### fn as_bind_group_shader_type(&self, _images: &RenderAssets<GpuImage>) -> U

Return the `T` `ShaderType` for `self`. When used in `AsBindGroup` derives, it is safe to assume that all images in `self` exist.
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### impl<T> Borrow<T> for Twhere T: ?Sized,

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#### fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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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> Downcast for Twhere T: Any,

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#### fn into_any(self: Box<T>) -> Box<dyn Any>

Convert `Box<dyn Trait>` (where `Trait: Downcast`) to `Box<dyn Any>`. `Box<dyn Any>` can then be further `downcast` into `Box<ConcreteType>` where `ConcreteType` implements `Trait`.
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#### fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert `Rc<Trait>` (where `Trait: Downcast`) to `Rc<Any>`. `Rc<Any>` can then be further `downcast` into `Rc<ConcreteType>` where `ConcreteType` implements `Trait`.
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#### fn as_any(&self) -> &(dyn Any + 'static)

Convert `&Trait` (where `Trait: Downcast`) to `&Any`. This is needed since Rust cannot generate `&Any`’s vtable from `&Trait`’s.
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#### fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert `&mut Trait` (where `Trait: Downcast`) to `&Any`. This is needed since Rust cannot generate `&mut Any`’s vtable from `&mut Trait`’s.
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### impl<T> DowncastSync for Twhere T: Any + Send + Sync,

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#### fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send>

Convert `Arc<Trait>` (where `Trait: Downcast`) to `Arc<Any>`. `Arc<Any>` can then be further `downcast` into `Arc<ConcreteType>` where `ConcreteType` implements `Trait`.
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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<S> GetField for Swhere S: Struct,

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#### fn get_field<T>(&self, name: &str) -> Option<&T>where T: Reflect,

Returns a reference to the value of the field named `name`, downcast to `T`.
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#### fn get_field_mut<T>(&mut self, name: &str) -> Option<&mut T>where T: Reflect,

Returns a mutable reference to the value of the field named `name`, downcast to `T`.
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### impl<T> GetPath for Twhere T: Reflect + ?Sized,

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#### fn reflect_path<'p>( &self, path: impl ReflectPath<'p>, ) -> Result<&(dyn Reflect + 'static), ReflectPathError<'p>>

Returns a reference to the value specified by `path`. Read more
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#### fn reflect_path_mut<'p>( &mut self, path: impl ReflectPath<'p>, ) -> Result<&mut (dyn Reflect + 'static), ReflectPathError<'p>>

Returns a mutable reference to the value specified by `path`. Read more
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#### fn path<'p, T>( &self, path: impl ReflectPath<'p>, ) -> Result<&T, ReflectPathError<'p>>where T: Reflect,

Returns a statically typed reference to the value specified by `path`. Read more
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#### fn path_mut<'p, T>( &mut self, path: impl ReflectPath<'p>, ) -> Result<&mut T, ReflectPathError<'p>>where T: Reflect,

Returns a statically typed mutable reference to the value specified by `path`. Read more
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### impl<T> Instrument for T

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#### fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided `Span`, returning an `Instrumented` wrapper. Read more
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#### fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current `Span`, returning an `Instrumented` wrapper. Read more
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### impl<T, U> Into<U> for Twhere 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> IntoEither for T

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#### fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts `self` into a `Left` variant of `Either<Self, Self>` if `into_left` is `true`. Converts `self` into a `Right` variant of `Either<Self, Self>` otherwise. Read more
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#### fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘwhere F: FnOnce(&Self) -> bool,

Converts `self` into a `Left` variant of `Either<Self, Self>` if `into_left(&self)` returns `true`. Converts `self` into a `Right` variant of `Either<Self, Self>` otherwise. Read more
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### impl<T> Pointable for T

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#### const ALIGN: usize = _

The alignment of pointer.
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#### type Init = T

The type for initializers.
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#### unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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#### unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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#### unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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#### unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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### impl<T> Same for T

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#### type Output = T

Should always be `Self`
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### impl<T> ToOwned for Twhere 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 Twhere 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 Twhere 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.
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### impl<T> WithSubscriber for T

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#### fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘwhere S: Into<Dispatch>,

Attaches the provided `Subscriber` to this type, returning a `WithDispatch` wrapper. Read more
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Attaches the current default `Subscriber` to this type, returning a `WithDispatch` wrapper. Read more
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