Struct pbrt::media::grid::GridDensityMedium

pub struct GridDensityMedium {
    pub sigma_a: Spectrum,
    pub sigma_s: Spectrum,
    pub g: Float,
    pub nx: i32,
    pub ny: i32,
    pub nz: i32,
    pub world_to_medium: Transform,
    pub density: Arc<Vec<Float>>,
    pub sigma_t: Float,
    pub inv_max_density: Float,
}

Fields

sigma_a: Spectrum

sigma_s: Spectrum

g: Float

nx: i32

ny: i32

nz: i32

world_to_medium: Transform

density: Arc<Vec<Float>>

sigma_t: Float

inv_max_density: Float

Methods

impl GridDensityMedium

pub fn new(
    sigma_a: &Spectrum,
    sigma_s: &Spectrum,
    g: Float,
    nx: i32,
    ny: i32,
    nz: i32,
    medium_to_world: &Transform,
    d: Arc<Vec<Float>>
) -> Self

pub fn d(&self, p: &Point3i) -> Float

pub fn density(&self, p: &Point3f) -> Float

pub fn tr(&self, r_world: &Ray, sampler: &mut Box<Sampler>) -> Spectrum

pub fn sample(
    &self,
    r_world: &Ray,
    sampler: &mut Box<Sampler>
) -> (Spectrum, Option<MediumInteraction>)