:)

objects/rotoboy/roto_boy.gd

@@ -15,9 +15,11 @@ var _player: Player = null
 
 func _physics_process(delta: float) -> void:
 	if is_zero_approx(speed):
+		%Head.play("normal")
 		collision_shape.disabled = false
 		rotation_pivot.rotation = 0.0
 	else:
+		%Head.play("happy")
 		collision_shape.disabled = true
 		rotation_pivot.rotation += rotation_speed * delta
 		if _player:

objects/rotoboy/roto_boy.tscn

@@ -1,9 +1,10 @@
-[gd_scene load_steps=10 format=3 uid="uid://bwtjfpfkykfdr"]
+[gd_scene load_steps=12 format=3 uid="uid://bwtjfpfkykfdr"]
 
 [ext_resource type="Script" uid="uid://bt4bdjyekgh53" path="res://scripts/ball_snake/ball_snake.gd" id="1_7ck2q"]
 [ext_resource type="Script" uid="uid://doitxsfhjpfh0" path="res://objects/rotoboy/roto_boy.gd" id="1_pwab3"]
 [ext_resource type="Texture2D" uid="uid://cvgdwf28yr7fw" path="res://assets/textures/rotoboy/rotoboy.png" id="2_3s2uc"]
 [ext_resource type="Texture2D" uid="uid://ckfu1u3qxssrj" path="res://assets/textures/rotoboy/rotoboy_face.png" id="3_gp51k"]
+[ext_resource type="Texture2D" uid="uid://bmohkn7gmnptg" path="res://assets/textures/rotoboy/rotoboy_smile.png" id="4_qes26"]
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_pwab3"]
 radius = 24.0
@@ -11,6 +12,40 @@ radius = 24.0
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_8o2cr"]
 size = Vector2(48, 8)
 
+[sub_resource type="SpriteFrames" id="SpriteFrames_5ig0v"]
+animations = [{
+"frames": [{
+"duration": 1.0,
+"texture": ExtResource("4_qes26")
+}],
+"loop": true,
+"name": &"happy",
+"speed": 5.0
+}, {
+"frames": [{
+"duration": 1.0,
+"texture": ExtResource("3_gp51k")
+}],
+"loop": true,
+"name": &"normal",
+"speed": 5.0
+}]
+
+[sub_resource type="Animation" id="Animation_qes26"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:speed")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [0.0]
+}
+
 [sub_resource type="Animation" id="Animation_pwab3"]
 resource_name = "on_off"
 length = 3.0
@@ -29,21 +64,6 @@ tracks/0/keys = {
 "values": [0.0, 0.0, 1.0, 1.0, 1.0]
 }
 
-[sub_resource type="Animation" id="Animation_qes26"]
-length = 0.001
-tracks/0/type = "value"
-tracks/0/imported = false
-tracks/0/enabled = true
-tracks/0/path = NodePath(".:speed")
-tracks/0/interp = 1
-tracks/0/loop_wrap = true
-tracks/0/keys = {
-"times": PackedFloat32Array(0),
-"transitions": PackedFloat32Array(1),
-"update": 0,
-"values": [0.0]
-}
-
 [sub_resource type="AnimationLibrary" id="AnimationLibrary_5ig0v"]
 _data = {
 &"RESET": SubResource("Animation_qes26"),
@@ -96,8 +116,10 @@ tail_segment = false
 auto_density = true
 pixels_per_segment = 6.0
 
-[node name="Head" type="Sprite2D" parent="."]
-texture = ExtResource("3_gp51k")
+[node name="Head" type="AnimatedSprite2D" parent="."]
+unique_name_in_owner = true
+sprite_frames = SubResource("SpriteFrames_5ig0v")
+animation = &"happy"
 
 [node name="AnimationPlayer" type="AnimationPlayer" parent="."]
 libraries = {