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BodyArena

oxiphysics_core::world

Struct BodyArena 

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pub struct BodyArena { /* private fields */ }
Expand description

A generational arena storing bodies.

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impl BodyArena

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pub fn new() -> Self

Create an empty arena.

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pub fn insert(&mut self, body: Body) -> BodyHandle

Insert a body and return its handle.

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pub fn remove(&mut self, handle: BodyHandle) -> Option<Body>

Remove a body and free its slot.

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pub fn get(&self, handle: BodyHandle) -> Option<&Body>

Get an immutable reference to a body by handle.

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pub fn get_mut(&mut self, handle: BodyHandle) -> Option<&mut Body>

Get a mutable reference to a body by handle.

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pub fn len(&self) -> usize

Return the number of live bodies.

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pub fn is_empty(&self) -> bool

Whether the arena is empty.

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pub fn live_indices(&self) -> impl Iterator<Item = usize> + '_

Iterate over all live body indices.

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pub fn iter(&self) -> impl Iterator<Item = (usize, BodyHandle, &Body)> + '_

Iterate over all live bodies (index, handle, body).

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impl Debug for BodyArena

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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 BodyArena

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fn default() -> BodyArena

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

Auto Trait Implementations§

Blanket Implementations§

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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> 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> Same for T

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type Output = T

Should always be Self
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impl<SS, SP> SupersetOf<SS> for SP
where SS: SubsetOf<SP>,

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fn to_subset(&self) -> Option<SS>

The inverse inclusion map: attempts to construct self from the equivalent element of its superset. Read more
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fn is_in_subset(&self) -> bool

Checks if self is actually part of its subset T (and can be converted to it).
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fn to_subset_unchecked(&self) -> SS

Use with care! Same as self.to_subset but without any property checks. Always succeeds.
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fn from_subset(element: &SS) -> SP

The inclusion map: converts self to the equivalent element of its superset.
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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.