Struct ShadowAtlasRegion

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pub struct ShadowAtlasRegion {
    pub x: u32,
    pub y: u32,
    pub width: u32,
    pub height: u32,
    pub light_id: Option<LightId>,
}

Expand description

A region within the shadow atlas.

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§x: u32

Top-left X in the atlas (in texels).

§y: u32

Top-left Y in the atlas (in texels).

§width: u32

Width of this region.

§height: u32

Height of this region.

§light_id: Option<LightId>

Which light owns this region.

Implementations§

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impl ShadowAtlasRegion

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pub fn new(x: u32, y: u32, width: u32, height: u32) -> Self

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pub fn atlas_to_region_uv( &self, atlas_width: u32, atlas_height: u32, u: f32, v: f32, ) -> (f32, f32)

Convert atlas-space UV to region-space UV.

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pub fn region_to_atlas_uv( &self, atlas_width: u32, atlas_height: u32, u: f32, v: f32, ) -> (f32, f32)

Convert region-space UV to atlas-space UV.

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pub fn contains(&self, px: u32, py: u32) -> bool

Check if a point (in texels) falls within this region.

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pub fn area(&self) -> u32

Area in texels.

Trait Implementations§

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impl Clone for ShadowAtlasRegion

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fn clone(&self) -> ShadowAtlasRegion

Returns a duplicate 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 Debug for ShadowAtlasRegion

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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 Copy for ShadowAtlasRegion

Auto Trait Implementations§

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impl UnwindSafe for ShadowAtlasRegion

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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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 + Sync + Send>

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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