add bone size variation to aphids

scripts/units/aphid.gd

@@ -5,6 +5,8 @@ enum State {
 	WANDERING,
 }
 
+const BONE_SCALE_VARIATION: float = 0.25
+
 const HONEYDEW_INTERVAL_MIN: float = 5
 const HONEYDEW_INTERVAL_MAX: float = 60
 const HONEYDEW_SPAWN_SPREAD: float = 0.5
@@ -16,10 +18,29 @@ var spawned_honeydews: Dictionary = {}
 
 var honeydew_scene := preload("res://scenes/items/honeydew.tscn")
 
+var _bones_to_scale: PackedStringArray = [
+	"Root",
+	"Antenna_root_L",
+	"Eye_L",
+	"Antenna_root_R",
+	"Eye_R",
+]
+
+@onready var skeleton: Skeleton3D = $AphidModel/Armature/Skeleton3D
+
 
 func _ready() -> void:
+	assert(skeleton != null, "skeleton missing!")
 	super._ready()
 	_set_spawn_timer()
+	for bone_name in _bones_to_scale:
+		var bone := skeleton.find_bone(bone_name)
+		var bone_transform := skeleton.get_bone_pose(bone)
+		bone_transform.basis *= 1 + randf_range(
+				-BONE_SCALE_VARIATION, 
+				BONE_SCALE_VARIATION,
+		)
+		skeleton.set_bone_pose_scale(bone, Vector3.ZERO)
 
 
 func _process(delta: float) -> void: