Struct SpatialLightGrid 

pub struct SpatialLightGrid { /* private fields */ }

A spatial grid that maps world-space cells to sets of light IDs for fast queries.

Implementations

impl SpatialLightGrid

pub fn new(cell_size: f32) -> Self

pub fn rebuild(&mut self, lights: &HashMap<LightId, Light>)

Clear all cells and rebuild from the given lights.

pub fn query(&self, pos: Vec3) -> Vec<LightId>

Query lights that potentially affect a given world position.

pub fn query_aabb(&self, min: Vec3, max: Vec3) -> Vec<LightId>

Query lights that potentially affect a given axis-aligned bounding box.

pub fn cell_count(&self) -> usize

Get the number of occupied cells.

Trait Implementations

impl Clone for SpatialLightGrid

fn clone(&self) -> SpatialLightGrid

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SpatialLightGrid

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

Formats the value using the given formatter.