3D isometric renderer: chunked meshes with noise-displaced walls, lit shader with flickering torches, billboard sprites, rotatable/tiltable ortho camera, ray picking

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/game.rs

@@ -1683,22 +1683,6 @@ impl Game {
         }
     }
 
-    pub fn ent_at(&self, wx: f32, wy: f32, player_only: bool) -> Option<usize> {
-        let mut best = None;
-        let mut bd = 0.45f32;
-        for (j, e) in self.ents.iter().enumerate() {
-            if !e.alive || e.held || (player_only && e.hero) {
-                continue;
-            }
-            let d = (e.x - wx).powi(2) + (e.y - 0.25 - wy).powi(2);
-            if d < bd {
-                bd = d;
-                best = Some(j);
-            }
-        }
-        best
-    }
-
     pub fn pickup(&mut self, target: Option<usize>) -> bool {
         if self.hand.len() >= 8 {
             self.hint(8, "Deine Hand ist voll (max. 8). Rechtsklick lässt Einheiten fallen.");