diff --git a/src/data/map/index.ts b/src/data/map/index.ts
index 1443dd6..9c3fa65 100644
--- a/src/data/map/index.ts
+++ b/src/data/map/index.ts
@@ -14,8 +14,8 @@ export interface ComputedLayer {
   y: number;
   cx: number;
   cy: number;
-  r: number;
-  r2: number;
+  right: number;
+  bottom: number;
 }
 
 export interface Config {
@@ -68,8 +68,8 @@ export class Map {
           y,
           cx: x + layer.width / 2,
           cy: y + layer.height / 2,
-          r,
-          r2: r * r,
+          right: x + layer.width,
+          bottom: y + layer.height,
         };
       });
 
diff --git a/src/data/network/manager.ts b/src/data/network/manager.ts
index 5ac0962..64a5ea4 100644
--- a/src/data/network/manager.ts
+++ b/src/data/network/manager.ts
@@ -6,7 +6,6 @@ import { KeyboardController } from "../controller/keyboardController";
 import { DisplayObject } from "pixi.js";
 import { Spell } from "../spells";
 import { Cursor } from "../../graphics/cursor/types";
-import { getSquareDistance } from "../../util/math";
 import { Element } from "../spells/types";
 
 const TURN_GRACE_PERIOD = 3000;
@@ -85,7 +84,12 @@ export abstract class Manager {
 
       for (let character of this._self.characters) {
         const [x, y] = character.body.precisePosition;
-        if (getSquareDistance(x + 4.5, y + 8, layer.cx, layer.cy) < layer.r2) {
+        if (
+          x + 6 >= layer.x &&
+          x <= layer.right &&
+          y + 16 >= layer.y &&
+          y <= layer.bottom
+        ) {
           revealed = true;
           break;
         }