[−][src]Trait nphysics2d::force_generator::ForceGenerator
A persistent force generator.
A force generator applies a force to one or several bodies at each step of the simulation.
Required methods
fn apply(
&mut self,
parameters: &IntegrationParameters<N>,
bodies: &mut dyn BodySet<N, Handle = Handle>
)
&mut self,
parameters: &IntegrationParameters<N>,
bodies: &mut dyn BodySet<N, Handle = Handle>
)
Apply forces to some bodies.
Implementations
impl<N, Handle> dyn ForceGenerator<N, Handle> where
N: Any + 'static,
Handle: Any + 'static,
N: RealField,
Handle: BodyHandle,
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N: Any + 'static,
Handle: Any + 'static,
N: RealField,
Handle: BodyHandle,
pub fn is<__T: ForceGenerator<N, Handle>>(&self) -> bool
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Returns true if the trait object wraps an object of type __T
.
pub fn downcast<__T: ForceGenerator<N, Handle>>(
self: Box<Self>
) -> Result<Box<__T>, Box<Self>>
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self: Box<Self>
) -> Result<Box<__T>, Box<Self>>
Returns a boxed object from a boxed trait object if the underlying object is of type
__T
. Returns the original boxed trait if it isn't.
pub fn downcast_rc<__T: ForceGenerator<N, Handle>>(
self: Rc<Self>
) -> Result<Rc<__T>, Rc<Self>>
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self: Rc<Self>
) -> Result<Rc<__T>, Rc<Self>>
Returns an Rc
-ed object from an Rc
-ed trait object if the underlying object is of
type __T
. Returns the original Rc
-ed trait if it isn't.
pub fn downcast_ref<__T: ForceGenerator<N, Handle>>(&self) -> Option<&__T>
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Returns a reference to the object within the trait object if it is of type __T
, or
None
if it isn't.
pub fn downcast_mut<__T: ForceGenerator<N, Handle>>(
&mut self
) -> Option<&mut __T>
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&mut self
) -> Option<&mut __T>
Returns a mutable reference to the object within the trait object if it is of type
__T
, or None
if it isn't.
Implementors
impl<N: RealField, Handle: BodyHandle> ForceGenerator<N, Handle> for ConstantAcceleration<N, Handle>
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fn apply(
&mut self,
_: &IntegrationParameters<N>,
bodies: &mut dyn BodySet<N, Handle = Handle>
)
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&mut self,
_: &IntegrationParameters<N>,
bodies: &mut dyn BodySet<N, Handle = Handle>
)
impl<N: RealField, Handle: BodyHandle> ForceGenerator<N, Handle> for Spring<N, Handle>
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fn apply(
&mut self,
_: &IntegrationParameters<N>,
bodies: &mut dyn BodySet<N, Handle = Handle>
)
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&mut self,
_: &IntegrationParameters<N>,
bodies: &mut dyn BodySet<N, Handle = Handle>
)