Camera centering improvements

overworld/camera/OverworldCamera.gd

@@ -25,8 +25,9 @@ const COLLISION_MARGIN:float = 0
 @export var centeredDelay:float = 1.0
 @export var centeredFollowRate:float = 0.75
 @export var centeredMaxFollowRate:float = 1.5
-@export var centeredPitch:float = 30.0
+@export var centeredAcceleration:float = 360.0
 @export var centeredMaxYawDiff:float = 120.0
+@export var centeredPitch:float = 30.0
 
 @export_category("Collision")
 @export_flags_3d_physics var collisionMask:int = 1
@@ -35,6 +36,7 @@ var _mode:CameraMode = CameraMode.CENTERED
 var _yaw:float = 0.0
 var _pitch:float = 30.0
 var _camVelocity:Vector2 = Vector2.ZERO
+var _centerVelocity:float = 0.0
 var _freeTimer:float = 0.0
 var _mouseDelta:Vector2 = Vector2.ZERO
 var _rightMouseHeld:bool = false
@@ -97,24 +99,26 @@ func _process(delta:float) -> void:
     else:
       _freeTimer = 0.0
 
-  # In CENTERED mode, smoothly slerp toward behind the player while they move;
-  # rate scales up with angular distance so large offsets catch up quickly.
+  # In CENTERED mode, accelerate a yaw velocity toward behind the player (using
+  # actual movement velocity for direction) then friction-decay when idle —
+  # mirrors how controller input works so there's no sudden stop.
   if _mode == CameraMode.CENTERED:
     var centerBody := targetNode as CharacterBody3D
-    if centerBody != null and centerBody.velocity.length_squared() > 0.1:
-      var behindYaw:float = rad_to_deg(atan2(
-        targetNode.global_transform.basis.z.x,
-        targetNode.global_transform.basis.z.z
-      ))
-      
+    var vel3d:Vector3 = Vector3.ZERO if centerBody == null else centerBody.velocity
+    if vel3d.length_squared() > 0.1:
+      var behindYaw:float = rad_to_deg(atan2(-vel3d.x, -vel3d.z))
       var centerYawDiff:float = fposmod(behindYaw - _yaw + 180.0, 360.0) - 180.0
+      var totalAngle:float = abs(centerYawDiff) + abs(centeredPitch - _pitch)
+      var dynamicRate:float = minf(centeredFollowRate * (1.0 + totalAngle / 90.0), centeredMaxFollowRate)
       if abs(centerYawDiff) <= centeredMaxYawDiff:
-        var totalAngle:float = abs(centerYawDiff) + abs(centeredPitch - _pitch)
-        var dynamicRate:float = minf(centeredFollowRate * (1.0 + totalAngle / 90.0), centeredMaxFollowRate)
-        var tYaw:float = minf(dynamicRate * delta, 1.0)
+        _centerVelocity = move_toward(_centerVelocity, centerYawDiff * dynamicRate, centeredAcceleration * delta)
         var tPitch:float = minf(dynamicRate * 3.0 * delta, 1.0)
         _pitch = lerpf(_pitch, centeredPitch, tPitch)
-        _yaw += centerYawDiff * tYaw
+      else:
+        _centerVelocity = lerpf(_centerVelocity, 0.0, minf(orbitFriction * delta, 1.0))
+    else:
+      _centerVelocity = lerpf(_centerVelocity, 0.0, minf(orbitFriction * delta, 1.0))
+    _yaw += _centerVelocity * delta
 
   _pitch = clamp(_pitch, pitchMin, pitchMax)