pub struct PathTracer<'a> {
    world: &'a World,
    bg_color: Color,
    num_of_rays: u32,
    max_depth: u32,
    russian_roulette_limit: u32,
}
Expand description

A path tracing renderer.

It resolves the rendering equations by means of a Monte Carlo numeric integration algorithm.

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§world: &'a World

A world instance.

§bg_color: Color

Background color (usually BLACK).

§num_of_rays: u32

Number of scattered rays after every impact.

§max_depth: u32

Maximum depth of scattered rays, this should always be infinite if not for debugging purposes.

§russian_roulette_limit: u32

After this level of depth the russian roulette algorithm came into play to eventually stop the rendering.

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impl<'a> PathTracer<'a>

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pub fn new( world: &'a World, bg_color: Color, num_of_rays: u32, max_depth: u32, russian_roulette_limit: u32 ) -> Self

Create a new PathTracer renderer.

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impl<'a> Solve for PathTracer<'a>

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fn solve(&self, ray: Ray, pcg: &mut Pcg) -> Color

Solve the rendering equation using a path tracing algorithm.

The algorithm implemented here allows the caller to tune number of
rays thrown at each iteration,as well as the maximum depth.

It implements Russian roulette, to avoid artefacts and speed up computation.

Auto Trait Implementations§

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impl<'a> !RefUnwindSafe for PathTracer<'a>

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impl<'a> Send for PathTracer<'a>

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impl<'a> Sync for PathTracer<'a>

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impl<'a> Unpin for PathTracer<'a>

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impl<'a> !UnwindSafe for PathTracer<'a>

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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> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. 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.