Struct SphericalHarmonicsL2 

pub struct SphericalHarmonicsL2 {
    pub coeffs: [[f32; 9]; 3],
}

L2 spherical harmonic coefficients (9 coefficients per color channel).

Fields

coeffs: [[f32; 9]; 3]

Implementations

impl SphericalHarmonicsL2

pub fn zero() -> Self

pub fn ambient(color: Vec3) -> Self

pub fn evaluate(&self, dir: Vec3) -> Vec3

Evaluate SH at direction dir (must be unit vector).

pub fn add_sample(&mut self, dir: Vec3, color: Vec3, weight: f32)

pub fn lerp(&self, other: &Self, t: f32) -> Self

pub fn apply_windowing(&mut self, sigma: f32)

Windowed SH (reduces ringing artifacts).

Trait Implementations

impl Clone for SphericalHarmonicsL2

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for SphericalHarmonicsL2

impl Debug for SphericalHarmonicsL2

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.