Step by step - Using signals

scenes/button.tscn

@@ -0,0 +1,19 @@
+[gd_scene load_steps=2 format=3 uid="uid://cn4bsud8kgyvp"]
+
+[ext_resource type="PackedScene" uid="uid://6ws803s4tnhy" path="res://scenes/icon.tscn" id="1_or1o1"]
+
+[node name="Node2D" type="Node2D"]
+
+[node name="Icon" parent="." instance=ExtResource("1_or1o1")]
+
+[node name="Timer" type="Timer" parent="Icon"]
+autostart = true
+
+[node name="Button" type="Button" parent="."]
+offset_left = 48.0
+offset_top = 33.0
+offset_right = 238.0
+offset_bottom = 108.0
+text = "Toggle motion"
+
+[connection signal="pressed" from="Button" to="Icon" method="_on_button_pressed"]

scripts/icon.gd

@@ -3,17 +3,19 @@ extends Sprite2D
 var speed = 400
 var angular_speed = PI
 
+func _ready():
+	var timer = get_node("Timer")
+	timer.timeout.connect(_on_timer_timeout)
+
 func _process(delta: float) -> void:
-	var direction = 0
+	rotation += angular_speed * delta
-	if Input.is_action_pressed("ui_left"):
+	var velocity = Vector2.UP.rotated(rotation) * speed
-		direction = -1
-	if Input.is_action_pressed("ui_right"):
-		direction = 1
-		
-	rotation += angular_speed * direction * delta
-	
-	var velocity = Vector2.ZERO
-	if Input.is_action_pressed("ui_up"):
-		velocity = Vector2.UP.rotated(rotation) * speed
-		
 	position += velocity * delta
+
+
+func _on_button_pressed() -> void:
+	set_process(not is_processing())
+
+
+func _on_timer_timeout():
+	visible = not visible