Fix beacon beam distance and cull at render distance

The beam width used x and y instead of the horizontal distance, so it was wrong for beacons to the north or south. Beams beyond render distance x 16 are skipped, as BeaconRenderer.shouldRender does. A beacon with Levels 0 still draws no beam.
2026-10-27 21:57:14 +01:00
parent 1feb28c045
commit 7d99d23aef
1 changed files with 9 additions and 1 deletions
@@ -563,13 +563,21 @@ impl Game<'_> {
        };
        let time = (self.world.game_time.rem_euclid(40)) as f32 + alpha as f32;
        let scoping = self.scoping();
+        let view = f64::from(self.settings.render_distance * 16);
        for (k, e) in &self.world.block_entities {
            let BlockEntity::Beacon(b) = e else { continue };
+            // `getBeamSections` is empty while Levels is 0.
            if b.levels == 0 || b.sections.is_empty() {
                continue;
            }
            let base = glam::DVec3::new(f64::from(k.0) + 0.5, f64::from(k.1), f64::from(k.2) + 0.5);
-            let distance = (base - camera).truncate().length() as f32;
+            // `BeaconRenderer.shouldRender`: horizontal distance under render distance × 16.
+            let offset = base - camera;
+            let horizontal = glam::DVec2::new(offset.x, offset.z).length();
+            if horizontal >= view {
+                continue;
+            }
+            let distance = horizontal as f32;
            let scale = if scoping {
                1.0
            } else {