# [−][src]Struct nphysics2d::material::MaterialsCoefficientsTable

A lookup table for friction and restitution coefficient associated to certain pairs of materials.

## Methods

`impl<N: Real> MaterialsCoefficientsTable<N>`

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`impl<N: Real> MaterialsCoefficientsTable<N>`

`pub fn new() -> Self`

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`pub fn new() -> Self`

Initialize an empty table of friction and restitution coefficients.

`pub fn set_friction_coefficient(`

&mut self,

m1: MaterialId,

m2: MaterialId,

coeff: N

)

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`pub fn set_friction_coefficient(`

&mut self,

m1: MaterialId,

m2: MaterialId,

coeff: N

)

Sets the friction coefficient associated to this pair of materials.

`pub fn set_restitution_coefficient(`

&mut self,

m1: MaterialId,

m2: MaterialId,

coeff: N

)

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`pub fn set_restitution_coefficient(`

&mut self,

m1: MaterialId,

m2: MaterialId,

coeff: N

)

Sets the restitution coefficient associated to this pair of materials.

`pub fn friction_coefficient(&self, m1: MaterialId, m2: MaterialId) -> Option<N>`

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`pub fn friction_coefficient(&self, m1: MaterialId, m2: MaterialId) -> Option<N>`

Retrieves the friction coefficient associated to this pair of materials.

Returns `None`

if no coefficient was associated to this pair.

`pub fn restitution_coefficient(`

&self,

m1: MaterialId,

m2: MaterialId

) -> Option<N>

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`pub fn restitution_coefficient(`

&self,

m1: MaterialId,

m2: MaterialId

) -> Option<N>

Retrieves the restitution coefficient associated to this pair of materials.

Returns `None`

if no coefficient was associated to this pair.

## Auto Trait Implementations

`impl<N> Send for MaterialsCoefficientsTable<N>`

`impl<N> Send for MaterialsCoefficientsTable<N>`

`impl<N> Sync for MaterialsCoefficientsTable<N>`

`impl<N> Sync for MaterialsCoefficientsTable<N>`

## Blanket Implementations

`impl<T> From for T`

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`impl<T> From for T`

`impl<T, U> Into for T where`

U: From<T>,

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`impl<T, U> Into for T where`

U: From<T>,

`impl<T, U> TryFrom for T where`

T: From<U>,

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`impl<T, U> TryFrom for T where`

T: From<U>,

`type Error = !`

🔬 This is a nightly-only experimental API. (

`try_from`

)The type returned in the event of a conversion error.

`fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>`

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`fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>`

`impl<T> Borrow for T where`

T: ?Sized,

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`impl<T> Borrow for T where`

T: ?Sized,

`impl<T> Any for T where`

T: 'static + ?Sized,

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`impl<T> Any for T where`

T: 'static + ?Sized,

`fn get_type_id(&self) -> TypeId`

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`fn get_type_id(&self) -> TypeId`

`impl<T, U> TryInto for T where`

U: TryFrom<T>,

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`impl<T, U> TryInto for T where`

U: TryFrom<T>,

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

🔬 This is a nightly-only experimental API. (

`try_from`

)The type returned in the event of a conversion error.

`fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>`

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`fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>`

`impl<T> BorrowMut for T where`

T: ?Sized,

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`impl<T> BorrowMut for T where`

T: ?Sized,

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

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

`impl<T> Downcast for T where`

T: Any,

`impl<T> Downcast for T where`

T: Any,

`fn into_any(self: Box<T>) -> Box<dyn Any + 'static>`

`fn into_any(self: Box<T>) -> Box<dyn Any + 'static>`

`fn as_any(&self) -> &(dyn Any + 'static)`

`fn as_any(&self) -> &(dyn Any + 'static)`

`fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)`

`fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)`

`impl<SS, SP> SupersetOf for SP where`

SS: SubsetOf<SP>,

`impl<SS, SP> SupersetOf for SP where`

SS: SubsetOf<SP>,

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

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

`fn is_in_subset(&self) -> bool`

`fn is_in_subset(&self) -> bool`

`unsafe fn to_subset_unchecked(&self) -> SS`

`unsafe fn to_subset_unchecked(&self) -> SS`

`fn from_subset(element: &SS) -> SP`

`fn from_subset(element: &SS) -> SP`

`impl<T> Same for T`

`impl<T> Same for T`

`type Output = T`

Should always be `Self`