Struct bevy_trackball::prelude::Scope

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pub struct Scope<N>
where N: Copy + RealField,
{ /* private fields */ }
Expand description

Scope defining enclosing viewing frustum.

Implements Default and can be created with Scope::default().

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impl<N> Scope<N>
where N: Copy + RealField,

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pub const fn fov(&self) -> Fixed<N>

Fixed quantity wrt field of view, see Self::set_fov().

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pub fn set_fov(&mut self, fov: impl Into<Fixed<N>>)

Sets fixed quantity wrt field of view.

Default is fixed vertical field of view of π/4.

use nalgebra::Point2;
use trackball::Scope;

// Current screen size.
let max = Point2::new(800, 600);
// Default scope with fixed vertical field of view of π/4:
//
//   * Increasing width increases horizontal field of view (more can be seen).
//   * Increasing height scales scope zooming in as vertical field of view is fixed.
let mut scope = Scope::default();
// Unfix vertical field of view by fixing current unit per pixel on focus plane at distance
// from eye of one, that is effectively `upp` divided by `zat` to make it scale-independant:
//
//   * Increasing width increases horizontal field of view (more can be seen).
//   * Increasing height increases vertical field of view (more can be seen).
scope.set_fov(scope.fov().to_upp(&max.cast::<f32>()));
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pub fn clip_planes(&self, zat: N) -> (N, N)

Clip plane distances from eye regardless of Self::scale() wrt to distance between eye and target.

Default is (1e-1, 1e+3) measured from eye.

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pub fn set_clip_planes(&mut self, znear: N, zfar: N)

Sets clip plane distances from target or eye whether Self::scale().

Default is (1e-1, 1e+3) measured from eye.

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pub const fn scale(&self) -> bool

Object inspection mode.

Scales clip plane distances by measuring from target instead of eye. Default is false.

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pub fn set_scale(&mut self, oim: bool)

Sets object inspection mode.

Scales clip plane distances by measuring from target instead of eye. Default is false.

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pub const fn ortho(&self) -> bool

Orthographic projection mode.

Computes scale-identical orthographic instead of perspective projection. Default is false.

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pub fn set_ortho(&mut self, opm: bool)

Sets orthographic projection mode.

Computes scale-identical orthographic instead of perspective projection. Default is false.

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pub fn projection_and_upp( &self, zat: N, max: &OPoint<N, Const<2>>, ) -> (Matrix<N, Const<4>, Const<4>, ArrayStorage<N, 4, 4>>, N)

Projection transformation and unit per pixel on focus plane wrt distance between eye and target and maximum position in screen space.

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pub fn cast<M>(self) -> Scope<M>
where M: Copy + RealField, N: SubsetOf<M>,

Casts components to another type, e.g., between f32 and f64.

Trait Implementations§

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impl<N> Clone for Scope<N>
where N: Clone + Copy + RealField,

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fn clone(&self) -> Scope<N>

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<N> Debug for Scope<N>
where N: Debug + Copy + RealField,

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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<N> Default for Scope<N>
where N: Copy + RealField,

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fn default() -> Scope<N>

Returns the “default value” for a type. Read more
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impl<'de, N> Deserialize<'de> for Scope<N>
where N: Copy + RealField + Deserialize<'de>,

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fn deserialize<__D>( __deserializer: __D, ) -> Result<Scope<N>, <__D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<N> PartialEq for Scope<N>
where N: PartialEq + Copy + RealField,

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fn eq(&self, other: &Scope<N>) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<N> Serialize for Scope<N>
where N: Copy + RealField + Serialize,

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fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl<N> Copy for Scope<N>
where N: Copy + RealField,

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impl<N> Eq for Scope<N>
where N: Eq + Copy + RealField,

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impl<N> StructuralPartialEq for Scope<N>
where N: Copy + RealField,

Auto Trait Implementations§

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impl<N> Freeze for Scope<N>
where N: Freeze,

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impl<N> RefUnwindSafe for Scope<N>
where N: RefUnwindSafe,

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impl<N> Send for Scope<N>

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impl<N> Sync for Scope<N>

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impl<N> Unpin for Scope<N>
where N: Unpin,

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impl<N> UnwindSafe for Scope<N>
where N: UnwindSafe,

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, U> AsBindGroupShaderType<U> for T
where U: ShaderType, &'a T: for<'a> Into<U>,

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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 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> CloneToUninit for T
where T: Copy,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> Downcast<T> for T

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fn downcast(&self) -> &T

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impl<T> Downcast for T
where 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 T
where T: Any + Send + Sync,

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

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> DynEq for T
where T: Any + Eq,

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

Casts the type to dyn Any.
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fn dyn_eq(&self, other: &(dyn DynEq + 'static)) -> bool

This method tests for self and other values to be equal. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> FromWorld for T
where T: Default,

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fn from_world(_world: &mut World) -> T

Creates Self using data from the given World.
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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 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<T> Serialize for T
where T: Serialize + ?Sized,

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fn erased_serialize(&self, serializer: &mut dyn Serializer) -> Result<(), Error>

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fn do_erased_serialize( &self, serializer: &mut dyn Serializer, ) -> Result<(), ErrorImpl>

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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> ToOwned for T
where 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 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.
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impl<T> TypeData for T
where T: 'static + Send + Sync + Clone,

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impl<T> Upcast<T> for T

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fn upcast(&self) -> Option<&T>

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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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impl<T> ConditionalSend for T
where T: Send,

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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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where T: 'static + Clone + PartialEq + Debug,

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where T: Sync,