:tada: Create the note concept

Teach some music theory to the computer.

godot/component/entity/star/Sound.gd

@@ -5,14 +5,13 @@ const PITCH_MIN = 0.8
 const PITCH_MAX = 2.6
 
 
-func _on_repeater_timeout():
-	trigger()
-
-
 func trigger():
-	set_pitch_scale(randf_range(PITCH_MIN, PITCH_MAX))
 	play(0.0)
 
 
 func _on_trigger_area_entered(area):
 	trigger()
+
+
+func _on_star_note_changed(new_note):
+	set_pitch_scale(Music.scale(new_note))

godot/component/entity/star/Star.gd

@@ -1,10 +1,17 @@
 extends PathFollow2D
 # a moving music player
 
+signal note_changed(new_note: Music.Note)
 
 const SPEED = 200
 const RAYON = 20
 
+@export var note: Music.Note = Music.Note.A
+
+
+func _ready():
+	emit_signal("note_changed", note)
+
 
 func _physics_process(delta):
 	progress += SPEED * delta

godot/component/entity/star/Star.tscn

@@ -18,4 +18,5 @@ script = ExtResource("3_dccmh")
 [node name="Circle" type="CollisionShape2D" parent="Trigger"]
 shape = SubResource("CircleShape2D_6ypex")
 
+[connection signal="note_changed" from="." to="Sound" method="_on_star_note_changed"]
 [connection signal="area_entered" from="Trigger" to="Sound" method="_on_trigger_area_entered"]

godot/project.godot

@@ -8,6 +8,16 @@
 
 config_version=5
 
+_global_script_classes=[{
+"base": "RefCounted",
+"class": &"Music",
+"language": &"GDScript",
+"path": "res://utility/Music.gd"
+}]
+_global_script_class_icons={
+"Music": ""
+}
+
 [application]
 
 config/name="StarKiss"

godot/utility/Music.gd

@@ -0,0 +1,12 @@
+class_name Music
+# To deal with music theory in the digital world
+
+enum Note {A = 1, Ad, B, C, Cd, D, Dd, E, F, Fd, G, Gd}
+
+const NOTE_PITCH_SCALE = 1.05942
+
+
+
+static func scale(note: Note) -> float:
+	return note * NOTE_PITCH_SCALE
+

godot/world.tscn

@@ -32,6 +32,7 @@ rotates = false
 position = Vector2(167.134, 729.784)
 progress = 4210.26
 rotates = false
+note = 3
 
 [node name="NiceLine" parent="Lines" instance=ExtResource("3_l2vrj")]
 modulate = Color(1, 0, 0, 1)
@@ -40,11 +41,13 @@ curve = SubResource("Curve2D_yypd3")
 [node name="ElioStar" parent="Lines/NiceLine" instance=ExtResource("1_wa4bn")]
 position = Vector2(1856, 320)
 rotates = false
+note = 4
 
 [node name="MiniStar" parent="Lines/NiceLine" instance=ExtResource("1_wa4bn")]
 position = Vector2(1354.87, 64)
 progress = 4210.26
 rotates = false
+note = 6
 
 [node name="Triggers" type="Node2D" parent="."]