Struct RectLight 

pub struct RectLight {
    pub id: LightId,
    pub position: Vec3,
    pub right: Vec3,
    pub up: Vec3,
    pub color: Vec3,
    pub intensity: f32,
    pub two_sided: bool,
    pub enabled: bool,
    pub tag: Option<String>,
}

Rectangular area light for soft illumination.

Fields

id: LightId

position: Vec3

right: Vec3

Right vector (half-width extent).

up: Vec3

Up vector (half-height extent).

color: Vec3

intensity: f32

two_sided: bool

enabled: bool

tag: Option<String>

Implementations

impl RectLight

pub fn new( position: Vec3, right: Vec3, up: Vec3, color: Vec3, intensity: f32, ) -> Self

pub fn width(&self) -> f32

pub fn height(&self) -> f32

pub fn area(&self) -> f32

pub fn normal(&self) -> Vec3

pub fn nearest_point(&self, p: Vec3) -> Vec3

Approximate point on the rect closest to p for a simple irradiance estimate.

pub fn irradiance_at(&self, p: Vec3, n: Vec3) -> Vec3

CPU irradiance estimate using representative point technique.

Trait Implementations

impl Clone for RectLight

fn clone(&self) -> RectLight

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RectLight

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

Formats the value using the given formatter.