water sounds nice.

desktop/src-common/advent/utils.clj

@@ -239,3 +239,17 @@
 
 (def default-night-merge {:r 0.08 :g 0.1 :b 0.36 :multiply-amount 1.0 :hue-amount 1.0})
 (def default-night-merge-sprite {:r 0.08 :g 0.1 :b 0.36 :multiply-amount 0.3 :hue-amount 0.4})
+
+(defn clamp-volume [vol]
+  (max vol 0.005))
+
+(defn proximity-volume [entities [x y] & {:keys [scale]}]
+  (-> (max 0.0
+           (- 1.0 (/ (dist x y
+                           (get-in entities [:room :entities :ego :x])
+                           (get-in entities [:room :entities :ego :y])
+                           :y-sign 2.0
+                           :x-sign (/ 1.0 (get-in entities [:room :entities :ego :scale-x])))
+                     175.0)))
+      (* (or scale 1.0))
+      (clamp-volume)))