Fixed some camera jittering

overworld/camera/OverworldCamera.gd

@@ -8,7 +8,7 @@ const COLLISION_MARGIN:float = 0.3
 
 @export_category("Orbit")
 @export var distance:float = 7.0
-@export var minDistance:float = 5.0
+@export var minDistance:float = 2.0
 @export var orbitSensitivity:float = 144.0
 @export var orbitAcceleration:float = 600.0
 @export var pitchMin:float = -80.0
@@ -106,10 +106,15 @@ func _process(delta:float) -> void:
   global_transform.origin = finalPos
   look_at(pivot, Vector3.UP)
 
-  # Feed actual position back so camera input resumes from where it really is
+  # Lerp _yaw/_pitch toward the actual constrained position so input resumes
+  # smoothly, and small per-frame raycast variations don't oscillate.
   var actualDir:Vector3 = (finalPos - pivot).normalized()
-  _pitch = rad_to_deg(asin(clamp(actualDir.y, -1.0, 1.0)))
-  _yaw = rad_to_deg(atan2(actualDir.x, actualDir.z))
+  var targetPitch:float = rad_to_deg(asin(clamp(actualDir.y, -1.0, 1.0)))
+  var targetYaw:float = rad_to_deg(atan2(actualDir.x, actualDir.z))
+  var feedbackRate:float = minf(20.0 * delta, 1.0)
+  _pitch = lerpf(_pitch, targetPitch, feedbackRate)
+  var yawDiff:float = fposmod(targetYaw - _yaw + 180.0, 360.0) - 180.0
+  _yaw += lerpf(0.0, yawDiff, feedbackRate)
 
 # Returns the camera world position, respecting both minDistance and terrain.
 func _resolvePosition(pivot:Vector3, dir:Vector3) -> Vector3:
@@ -125,17 +130,14 @@ func _resolvePosition(pivot:Vector3, dir:Vector3) -> Vector3:
   var hitNormal:Vector3 = hit["normal"]
   var hitDist:float = (hit["position"] - pivot).length() - COLLISION_MARGIN
 
-  if hitDist >= minDistance:
-    # Terrain is beyond minDistance — simple pull-back along the ray
-    return pivot + dir * hitDist
-
-  # Terrain is closer than minDistance.
   # Find the closest point on the circle formed by intersecting:
-  #   • the minDistance sphere centred on pivot
+  #   • a sphere of radius max(hitDist, minDistance) centred on pivot
   #   • the terrain surface plane (inset by COLLISION_MARGIN along its normal)
-  # That point is exactly minDistance from the pivot and flush with the surface.
+  # Using max() makes both cases meet exactly at hitDist == minDistance,
+  # eliminating the branch discontinuity that causes jitter at the boundary.
+  var targetDist:float = maxf(hitDist, minDistance)
   var d:float = hitNormal.dot(pivot - hit["position"]) - COLLISION_MARGIN
-  var rSq:float = minDistance * minDistance - d * d
+  var rSq:float = targetDist * targetDist - d * d
   if rSq <= 0.0:
     # Pivot is itself nearly on the terrain — sit at the tangent point
     return pivot - hitNormal * d

overworld/entity/Entity.tscn

@@ -26,6 +26,7 @@ size = Vector3(0.689728, 0.52002, 0.796997)
 size = Vector3(1.3, 1.3, 1.3)
 
 [node name="Entity" type="CharacterBody3D"]
+collision_layer = 2
 script = ExtResource("1_8e8ef")
 entityId = "35ce980f-3df9-4e09-b365-1a228948cf78"
 metadata/_custom_type_script = "uid://c8146flooxeue"