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fix lod distance calculation

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Elias Stepanik 2025-06-08 16:29:25 +02:00
parent 4e1597aaa8
commit ba5ccb8fb7
1 changed files with 4 additions and 5 deletions
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9
client/src/plugins/environment/systems/voxels/lod.rs
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@ -1,6 +1,6 @@
use bevy::prelude::*; use bevy::prelude::*;
use crate::plugins::environment::systems::voxels::helper::chunk_center_world; use crate::plugins::environment::systems::voxels::helper::chunk_center_world;
use crate::plugins::environment::systems::voxels::structure::{Chunk, ChunkLod, ChunkCullingCfg, SparseVoxelOctree}; use crate::plugins::environment::systems::voxels::structure::{Chunk, ChunkLod, ChunkCullingCfg, SparseVoxelOctree, CHUNK_SIZE};
/// Update each chunk's LOD level based on its distance from the camera. /// Update each chunk's LOD level based on its distance from the camera.
/// Chunks farther away get a higher LOD value (coarser mesh). /// Chunks farther away get a higher LOD value (coarser mesh).
@ -11,20 +11,19 @@ pub fn update_chunk_lods(
cfg: Res<ChunkCullingCfg>, cfg: Res<ChunkCullingCfg>,
) { ) {
let cam_pos = cam_q.single().translation(); let cam_pos = cam_q.single().translation();
let max_depth; let (max_depth, range_step, chunk_size);
let range_step;
{ {
let tree = tree_q.single(); let tree = tree_q.single();
max_depth = tree.max_depth; max_depth = tree.max_depth;
range_step = cfg.view_distance_chunks as f32 / max_depth as f32; range_step = cfg.view_distance_chunks as f32 / max_depth as f32;
chunk_size = CHUNK_SIZE as f32 * tree.get_spacing_at_depth(max_depth);
} }
let mut changed = Vec::new(); let mut changed = Vec::new();
for (chunk, mut lod) in chunks.iter_mut() { for (chunk, mut lod) in chunks.iter_mut() {
let tree = tree_q.single(); let tree = tree_q.single();
let center = chunk_center_world(&tree, chunk.key); let center = chunk_center_world(&tree, chunk.key);
let dist_chunks = cam_pos.distance(center) let dist_chunks = cam_pos.distance(center) / chunk_size;
/ (cfg.view_distance_chunks as f32);
let mut level = (dist_chunks / range_step).floor() as u32; let mut level = (dist_chunks / range_step).floor() as u32;
if level > max_depth { level = max_depth; } if level > max_depth { level = max_depth; }
if lod.0 != level { if lod.0 != level {