Struct rs_pbrt::materials::hair::HairBSDF

pub struct HairBSDF {
    pub h: Float,
    pub gamma_o: Float,
    pub eta: Float,
    pub sigma_a: Spectrum,
    pub beta_m: Float,
    pub beta_n: Float,
    pub v: [Float; 4],
    pub s: Float,
    pub sin_2k_alpha: [Float; 3],
    pub cos_2k_alpha: [Float; 3],
    pub sc_opt: Option<Spectrum>,
}

Fields

h: Float

gamma_o: Float

eta: Float

sigma_a: Spectrum

beta_m: Float

beta_n: Float

v: [Float; 4]

s: Float

sin_2k_alpha: [Float; 3]

cos_2k_alpha: [Float; 3]

sc_opt: Option<Spectrum>

Implementations

impl HairBSDF

pub fn new(
    h: Float,
    eta: Float,
    sigma_a: Spectrum,
    beta_m: Float,
    beta_n: Float,
    alpha: Float,
    sc_opt: Option<Spectrum>
) -> Self

pub fn compute_ap_pdf(&self, cos_theta_o: Float) -> [Float; 4]

pub fn sigma_a_from_concentration(ce: Float, cp: Float) -> Spectrum

pub fn sigma_a_from_reflectance(c: Spectrum, beta_n: Float) -> Spectrum

pub fn f(&self, wo: &Vector3f, wi: &Vector3f) -> Spectrum

pub fn sample_f(
    &self,
    wo: &Vector3f,
    wi: &mut Vector3f,
    sample: &Point2f,
    pdf: &mut Float,
    _sampled_type: &mut u8
) -> Spectrum

pub fn pdf(&self, wo: &Vector3f, wi: &Vector3f) -> Float

pub fn get_type(&self) -> u8

Trait Implementations

impl Clone for HairBSDF

fn clone(&self) -> HairBSDF

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Default for HairBSDF

fn default() -> HairBSDF

Returns the “default value” for a type.

impl Copy for HairBSDF