From 62eaa16b2873d2188b7a93e3c8501ff4d6f39bac Mon Sep 17 00:00:00 2001
From: cha0s <git@cha0s.io>
Date: Thu, 25 Jul 2024 02:07:36 -0500
Subject: [PATCH] fix: directional control

---
 app/ecs/systems/control-direction.js | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/app/ecs/systems/control-direction.js b/app/ecs/systems/control-direction.js
index 251e8a6..da12018 100644
--- a/app/ecs/systems/control-direction.js
+++ b/app/ecs/systems/control-direction.js
@@ -1,5 +1,5 @@
 import {System} from '@/ecs/index.js';
-import {HALF_PI} from '@/util/math.js';
+import {TAU} from '@/util/math.js';
 
 export default class ControlDirection extends System {
 
@@ -9,18 +9,20 @@ export default class ControlDirection extends System {
       if (locked) {
         continue;
       }
-      if (moveUp > 0) {
-        Direction.direction = HALF_PI * 3;
-      }
-      if (moveDown > 0) {
-        Direction.direction = HALF_PI * 1;
-      }
-      if (moveLeft > 0) {
-        Direction.direction = HALF_PI * 2;
-      }
-      if (moveRight > 0) {
-        Direction.direction = HALF_PI * 0;
+      if (
+        0 === moveRight
+        && 0 === moveDown
+        && 0 === moveLeft
+        && 0 === moveUp
+      ) {
+        continue;
       }
+      Direction.direction = (
+        TAU + Math.atan2(
+          moveDown - moveUp,
+          moveRight - moveLeft,
+        )
+      ) % TAU;
     }
   }