From c575d6d042890250c50399f94b4f92ccd9eca772 Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Sun, 12 Apr 2026 01:47:09 +0200
Subject: [PATCH] Update player locomotion to consider immediate grounding

---
 src/runtime-three/player-locomotion.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/runtime-three/player-locomotion.ts b/src/runtime-three/player-locomotion.ts
index 86d249fa..3d5d17cc 100644
--- a/src/runtime-three/player-locomotion.ts
+++ b/src/runtime-three/player-locomotion.ts
@@ -405,8 +405,13 @@ export function stepPlayerLocomotion(
   // the controller back into grounded/stick-to-ground logic.
   const ascendingFromPreviousFrame =
     options.verticalVelocity > VERTICAL_ASCENT_EPSILON;
+  const canUseImmediateGrounding =
+    options.previousLocomotionState === undefined ||
+    options.previousLocomotionState.grounded;
   const currentlyGrounded =
-    currentGroundProbe.grounded && !ascendingFromPreviousFrame;
+    currentGroundProbe.grounded &&
+    !ascendingFromPreviousFrame &&
+    canUseImmediateGrounding;
 
   if (currentlyGrounded) {
     coyoteTimeRemainingMs = options.movement.jump.coyoteTimeMs;