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Return 0 opacity if out of range.

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This commit is contained in:
Nolan Darilek 2025-01-06 20:32:25 -05:00
parent 90351718cc
commit ecec85d37c
1 changed files with 12 additions and 3 deletions
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15
src/visibility.rs
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@ -58,7 +58,12 @@ impl Viewshed {
(start.x.abs() + self.range as f32 * 2.) as u32,
(start.y.abs() + self.range as f32 * 2.) as u32,
);
let visibility_grid = VisibilityGrid(*viewer_entity, opacity_map.clone());
let visibility_grid = VisibilityGrid(
*viewer_entity,
start.as_ivec2(),
self.range,
opacity_map.clone(),
);
let mut new_visible = HashSet::new();
let mut new_visible_entities = HashSet::new();
// println!("Start: {viewer_entity}");
@ -281,7 +286,7 @@ fn viewshed_removed(
}
}
struct VisibilityGrid(Entity, OpacityMap);
struct VisibilityGrid(Entity, IVec2, u32, OpacityMap);
impl InputGrid for VisibilityGrid {
type Grid = (u32, u32);
@ -294,7 +299,11 @@ impl InputGrid for VisibilityGrid {
fn get_opacity(&self, _grid: &Self::Grid, coord: Coord) -> Self::Opacity {
// println!("Checking {coord:?}");
if let Some((opacity, entities)) = self.1.get(&IVec2::new(coord.x, coord.y)) {
let coord = IVec2::new(coord.x, coord.y);
if coord.distance(&self.1) > self.2 as f32 {
return 0;
}
if let Some((opacity, entities)) = self.3.get(&coord) {
if entities.contains(&self.0) {
// println!("Hit viewer, 0");
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