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DistanceConstraint

symtropy_physics::constraint

Struct DistanceConstraint 

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pub struct DistanceConstraint<const D: usize> {
    pub body_a: BodyHandle,
    pub body_b: BodyHandle,
    pub rest_length: f64,
    pub stiffness: f64,
}
Expand description

Distance constraint: keeps two bodies at a fixed distance.

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§body_a: BodyHandle§body_b: BodyHandle§rest_length: f64§stiffness: f64

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impl<const D: usize> Constraint<D> for DistanceConstraint<D>

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fn bodies(&self) -> (BodyHandle, BodyHandle)

The two bodies this constraint connects.
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fn as_any(&self) -> &dyn Any

Cast to std::any::Any for downcasting in tests/lab.
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fn as_any_mut(&mut self) -> &mut dyn Any

Cast to std::any::Any for downcasting in tests/lab.
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fn solve(&self, body_a: &mut RigidBody<D>, body_b: &mut RigidBody<D>, _dt: f64)

Solve the constraint by applying positional corrections. Called multiple times per frame for iterative convergence.
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fn solve_velocity( &self, body_a: &mut RigidBody<D>, body_b: &mut RigidBody<D>, _dt: f64, _callback: Option<&mut dyn PhysicsCallback<D>>, )

Optional velocity-level correction (impulse-based, Fix 7). Called after position solve for hybrid PBD+impulse dynamics. Default: no-op (pure PBD).

Auto Trait Implementations§

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impl<const D: usize> Freeze for DistanceConstraint<D>

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impl<const D: usize> RefUnwindSafe for DistanceConstraint<D>

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impl<const D: usize> Send for DistanceConstraint<D>

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impl<const D: usize> Sync for DistanceConstraint<D>

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impl<const D: usize> Unpin for DistanceConstraint<D>

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impl<const D: usize> UnsafeUnpin for DistanceConstraint<D>

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impl<const D: usize> UnwindSafe for DistanceConstraint<D>

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.