Leave only one track type, WIP: track deletion.

Scripts/Timeline.gd

@@ -40,8 +40,19 @@ func format_time_ms_minutes(ms: float) -> String:
 func _ready():
 	await get_tree().process_frame
 	queue_redraw()
+	
+	for c in track_list.get_children():
+		if c is Track:
+			var track = c as Track
+			track.on_deleted.connect(_track_deleted)
+			pass
 	pass
 
+func _track_deleted(idx: int):
+	print("track deleted")
+	await get_tree().process_frame
+	queue_redraw()
+	pass
 
 func get_track_idx_by_y(y: float):
 	var idx = 0
@@ -97,7 +108,7 @@ func _draw():
 				draw_line(Vector2(x, 28.0), Vector2(x, timeline_y), secondary_color, line_thickness)
 	pass
 	
-	# track lines
+	# track horizontal lines
 	for t in track_list.get_children():
 		draw_line(Vector2(0.0, t.global_position.y - global_position.y + t.size.y), Vector2(size.x, t.global_position.y - global_position.y + t.size.y), secondary_color, line_thickness)
 		pass
@@ -163,4 +174,4 @@ func add_audio_clip(path: String, clip_name: String, track_idx: int, clip_start_
 
 	clip_added.emit(audio_clip)
 	queue_redraw()
-	pass
+	pass