From 3755ef572da275d9db0d0c8259a014d062eeb688 Mon Sep 17 00:00:00 2001
From: WofWca <wofwca@protonmail.com>
Date: Sat, 13 Dec 2025 10:50:49 +0000
Subject: [PATCH] improvement: no mouse acceleration

Utilize [`unadjustedMovement`](https://developer.mozilla.org/en-US/docs/Web/API/Element/requestPointerLock#unadjustedmovement).
For reference also see https://github.com/emscripten-core/emscripten/issues/24602

I have not build the code but I checked that things still work by adding the following before the main `eval()` in dev tools:

```javascript
const originalRequestPointerLock = HTMLElement.prototype.requestPointerLock;
HTMLElement.prototype.originalRequestPointerLock = originalRequestPointerLock;
HTMLElement.prototype.requestPointerLock = function() {
    this.originalRequestPointerLock({
        unadjustedMovement: true
    })
}
```
---
 source/main.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/source/main.js b/source/main.js
index 83142f2..347cc1d 100755
--- a/source/main.js
+++ b/source/main.js
@@ -124,7 +124,13 @@ game_load = async () => {
 
 	f.onclick = () => g.requestFullscreen();
 	g.onclick = () => {
-		g.onclick = () => c.requestPointerLock();
+		g.onclick = async () => {
+			try {
+				await c.requestPointerLock({ unadjustedMovement: true });
+			} catch (error) {
+				await c.requestPointerLock();
+			}
+		};
 		g.onclick();
 		
 		audio_init();
@@ -182,4 +188,4 @@ run_frame = (time_now) => {
 	requestAnimationFrame(run_frame);
 };
 
-game_load();
\ No newline at end of file
+game_load();