Struct rs_pbrt::lights::spot::SpotLight

pub struct SpotLight {
    pub p_light: Point3f,
    pub i: Spectrum,
    pub cos_total_width: Float,
    pub cos_falloff_start: Float,
    pub flags: u8,
    pub n_samples: i32,
    pub medium_interface: MediumInterface,
    pub light_to_world: Transform,
    pub world_to_light: Transform,
}

Fields

p_light: Point3f

i: Spectrum

cos_total_width: Float

cos_falloff_start: Float

flags: u8

n_samples: i32

medium_interface: MediumInterface

light_to_world: Transform

world_to_light: Transform

Implementations

impl SpotLight

pub fn new(
    light_to_world: &Transform,
    medium_interface: &MediumInterface,
    i: &Spectrum,
    total_width: Float,
    falloff_start: Float
) -> Self

pub fn falloff(&self, w: &Vector3f) -> Float

pub fn sample_li<'a, 'b>(
    &'b self,
    iref: &'a InteractionCommon,
    light_intr: &'b mut InteractionCommon,
    _u: Point2f,
    wi: &mut Vector3f,
    pdf: &mut Float,
    vis: &mut VisibilityTester<'a, 'b>
) -> Spectrum

pub fn power(&self) -> Spectrum

pub fn preprocess(&self, _scene: &Scene)

pub fn le(&self, _ray: &Ray) -> Spectrum

Default implementation returns no emitted radiance for a ray that escapes the scene bounds.

pub fn pdf_li(&self, _iref: &dyn Interaction, _wi: &Vector3f) -> Float

pub fn sample_le(
    &self,
    u1: Point2f,
    _u2: Point2f,
    time: Float,
    ray: &mut Ray,
    n_light: &mut Normal3f,
    pdf_pos: &mut Float,
    pdf_dir: &mut Float
) -> Spectrum

pub fn get_flags(&self) -> u8

pub fn get_n_samples(&self) -> i32

pub fn pdf_le(
    &self,
    ray: &Ray,
    _n_light: &Normal3f,
    pdf_pos: &mut Float,
    pdf_dir: &mut Float
)

Trait Implementations

impl Clone for SpotLight

fn clone(&self) -> SpotLight

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.