Added two states, collected and not collected

godot/collectables/coin/Coin.tscn

@@ -0,0 +1,71 @@
+[gd_scene load_steps=10 format=2]
+
+[ext_resource path="res://assets/coin.png" type="Texture" id=1]
+[ext_resource path="res://state_machine/StateMachine.gdns" type="Script" id=2]
+[ext_resource path="res://collectables/coin/states/CoinNotCollected.gdns" type="Script" id=3]
+[ext_resource path="res://collectables/coin/states/CoinCollected.gdns" type="Script" id=4]
+
+[sub_resource type="CircleShape2D" id=1]
+radius = 6.0
+
+[sub_resource type="AtlasTexture" id=2]
+atlas = ExtResource( 1 )
+region = Rect2( 0, 0, 18, 18 )
+
+[sub_resource type="AtlasTexture" id=3]
+atlas = ExtResource( 1 )
+region = Rect2( 18, 0, 18, 18 )
+
+[sub_resource type="SpriteFrames" id=4]
+animations = [ {
+"frames": [ SubResource( 2 ), SubResource( 3 ) ],
+"loop": true,
+"name": "spin",
+"speed": 5.0
+} ]
+
+[sub_resource type="Animation" id=5]
+resource_name = "jump"
+length = 0.4
+tracks/0/type = "value"
+tracks/0/path = NodePath("AnimatedSprite:position")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/keys = {
+"times": PoolRealArray( 0, 0.2, 0.4 ),
+"transitions": PoolRealArray( 1, 1, 1 ),
+"update": 0,
+"values": [ Vector2( 0, 0 ), Vector2( 0, -20 ), Vector2( 0, 0 ) ]
+}
+
+[node name="Coin" type="Area2D"]
+collision_layer = 4
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+position = Vector2( 9, 9 )
+shape = SubResource( 1 )
+
+[node name="AnimatedSprite" type="AnimatedSprite" parent="."]
+frames = SubResource( 4 )
+animation = "spin"
+frame = 1
+playing = true
+centered = false
+
+[node name="StateMachine" type="Node" parent="."]
+script = ExtResource( 2 )
+default_state = "CoinNotCollected"
+
+[node name="CoinNotCollected" type="Node" parent="StateMachine"]
+script = ExtResource( 3 )
+
+[node name="CoinCollected" type="Node" parent="StateMachine"]
+script = ExtResource( 4 )
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
+anims/jump = SubResource( 5 )
+
+[connection signal="body_entered" from="." to="StateMachine/CoinNotCollected" method="_on_body_entered" flags=6]
+[connection signal="animation_finished" from="AnimationPlayer" to="StateMachine/CoinCollected" method="_on_animation_finished" flags=6]

godot/collectables/coin/states/CoinCollected.gdns

@@ -0,0 +1,8 @@
+[gd_resource type="NativeScript" load_steps=2 format=2]
+
+[ext_resource path="res://gdnative/alai.tres" type="GDNativeLibrary" id=1]
+
+[resource]
+resource_name = "CoinCollected"
+class_name = "CoinCollected"
+library = ExtResource( 1 )

godot/collectables/coin/states/CoinNotCollected.gdns

@@ -0,0 +1,8 @@
+[gd_resource type="NativeScript" load_steps=2 format=2]
+
+[ext_resource path="res://gdnative/alai.tres" type="GDNativeLibrary" id=1]
+
+[resource]
+resource_name = "CoinNotCollected"
+class_name = "CoinNotCollected"
+library = ExtResource( 1 )