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Attempt to work around crash when creating direction.

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This commit is contained in:
Nolan Darilek 2025-02-23 08:17:30 -06:00
parent 56dc32cce3
commit 4c95ddf296
1 changed files with 4 additions and 3 deletions
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7
src/visibility.rs
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@ -80,13 +80,14 @@ impl Viewshed {
// println!("Checking {coord:?}"); // println!("Checking {coord:?}");
if let Some((_, entities)) = opacity_map.get(&coord) { if let Some((_, entities)) = opacity_map.get(&coord) {
for e in entities { for e in entities {
if entities.len() == 1 || sensors.contains(*e) { let coord = Vec2::new(coord.x as f32 + 0.5, coord.y as f32 + 0.5);
let dir = (coord - *start).normalize_or_zero();
if dir == Vec2::ZERO || entities.len() == 1 || sensors.contains(*e) {
// println!("Spotted {e:?}"); // println!("Spotted {e:?}");
new_visible_entities.insert(*e); new_visible_entities.insert(*e);
} else { } else {
let should_push = std::cell::RefCell::new(true); let should_push = std::cell::RefCell::new(true);
let coord = Vec2::new(coord.x as f32 + 0.5, coord.y as f32 + 0.5); let dir = Dir2::new_unchecked(dir);
let dir = Dir2::new_unchecked((coord - *start).normalize_or_zero());
// println!("Casting from {coord} to {dir:?}"); // println!("Casting from {coord} to {dir:?}");
spatial_query.cast_ray_predicate( spatial_query.cast_ray_predicate(
*start, *start,