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lighting system. light sources NYI

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Llywelwyn 2023-07-13 19:37:26 +01:00
parent 24417fbb05
commit 4dffdd361d
2 changed files with 12 additions and 3 deletions
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13
src/visibility_system.rs
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@ -23,9 +23,16 @@ impl<'a> System<'a> for VisibilitySystem {
// FIXME: SymmetricShadowcasting seems to be responsible for an infrequent crash --
// but it could be unrelated to the FieldOfViewAlg being used. Needs some more testing!
// Appeared first after switching, but can't seem to reproduce it.
viewshed.visible_tiles =
SymmetricShadowcasting.field_of_view(Point::new(pos.x, pos.y), viewshed.range, &*map);
viewshed.visible_tiles.retain(|p| p.x >= 0 && p.x < map.width && p.y >= 0 && p.y < map.height);
let origin = Point::new(pos.x, pos.y);
viewshed.visible_tiles = SymmetricShadowcasting.field_of_view(origin, viewshed.range, &*map);
viewshed.visible_tiles.retain(|p| {
p.x >= 0
&& p.x < map.width
&& p.y >= 0
&& p.y < map.height
&& (map.lit_tiles[map.xy_idx(p.x, p.y)] == true
|| rltk::DistanceAlg::Pythagoras.distance2d(Point::new(p.x, p.y), origin) < 1.5)
});
// If this is the player, reveal what they can see
let _p: Option<&Player> = player.get(ent);