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optimize light selection

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This commit is contained in:
zomseffen 2025-03-05 16:56:48 +01:00
parent 1a30887a7d
commit 7a58ba9733
6 changed files with 62 additions and 13 deletions

13
src/scene/empty_volume.rs
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@ -969,12 +969,13 @@ impl EmptyVolume {
quads
}
pub fn select_lights(&self, lights: LightsIter, light_number: u32) -> Vec<u32> {
let center = self.position + Vector3{x: self.size_x / 2, y: self.size_y / 2, z: self.size_z / 2};
pub fn select_lights(&self, lights: LightsIter, light_number: u32, min_light_weight: f32) -> Vec<u32> {
let mut weighted_indices = vec![];
for light in lights {
let weight = light.borrow().weighted_distance(center);
weighted_indices.push((weight, light.borrow().get_memory_start()));
for light in lights {
let weight = light.borrow().weighted_distance(self.position + self.tree_offset * self.tree_size, Vector3{x: self.size_x, y: self.size_y, z: self.size_z});
if weight >= min_light_weight {
weighted_indices.push((weight, light.borrow().get_memory_start()));
}
}
weighted_indices.sort_by(|a, b| a.0.partial_cmp(&b.0).unwrap());
@ -1213,7 +1214,7 @@ impl Memorizable for EmptyVolume {
v[mem_index] = self.size_z as u32;
mem_index += 1;
//Todo: insert lights
let selected_lights = self.select_lights(scene.get_light_iter(), data.num_lights_per_volume);
let selected_lights = self.select_lights(scene.get_light_iter(), data.num_lights_per_volume, data.min_light_weight);
for light in selected_lights {
v[mem_index] = light;
mem_index += 1;