Add camera smoothing

COGITO/CogitoObjects/cogito_player.gd

@@ -174,6 +174,16 @@ var slide_audio_player : AudioStreamPlayer3D
 @onready var test_motion_result: PhysicsTestMotionResult3D = PhysicsTestMotionResult3D.new()
 
 @onready var wieldables = %Wieldables
+
+# Camera Smoothing
+@onready var camera_target = $Body/Neck/Head/Eyes
+@onready var wieldables_target = $Body/Neck/Head
+
+var is_transforms_update_needed  : bool = false
+var camera_gt_previous : Transform3D
+var camera_gt_current : Transform3D
+var wieldables_gt_previous : Transform3D
+var wieldables_gt_current : Transform3D
 #endregion
 
 
@@ -216,7 +226,19 @@ func _ready():
 		print("Player has no reference to pause menu.")
 
 	call_deferred("slide_audio_init")
-
+
+	camera.set_as_top_level(true)
+	camera.global_transform = camera_target.global_transform
+
+	camera_gt_previous = camera_target.global_transform
+	camera_gt_current = camera_target.global_transform
+
+	wieldables.set_as_top_level(true)
+	wieldables.global_transform = wieldables_target.global_transform
+
+	wieldables_gt_previous = wieldables_target.global_transform
+	wieldables_gt_current = wieldables_target.global_transform
+
 
 func slide_audio_init():
 	#setup sound effect for sliding
@@ -414,7 +436,31 @@ func _process_on_ladder(_delta):
 
 var jumped_from_slide = false
 
+
+func update_transforms():
+	camera_gt_previous = camera_gt_current
+	camera_gt_current = camera_target.global_transform
+
+	wieldables_gt_previous = wieldables_gt_current
+	wieldables_gt_current = wieldables_target.global_transform
+
+
+func _process(delta: float) -> void:
+	if is_transforms_update_needed:
+		update_transforms()
+		is_transforms_update_needed = false
+
+	var interpolation_fraction : float = clamp(Engine.get_physics_interpolation_fraction(), 0, 1)
+
+	var camera_xform : Transform3D = camera_gt_previous.interpolate_with(camera_gt_current, interpolation_fraction)
+	camera.global_transform = camera_xform
+
+	var wieldables_xform : Transform3D = wieldables_gt_previous.interpolate_with(wieldables_gt_current, interpolation_fraction)
+	wieldables.global_transform = wieldables_xform
+
+
 func _physics_process(delta):
+	is_transforms_update_needed = true
 	#if is_movement_paused:
 		#return