implemented level select, options menu, different audio buses & sliders

src/gui/hud/hud.tscn

@@ -0,0 +1,48 @@
+[gd_scene load_steps=4 format=3 uid="uid://cdlbh3smpgg42"]
+
+[ext_resource type="Script" path="res://src/gui/hud/hud_controller.gd" id="1_3pkgo"]
+
+[sub_resource type="LabelSettings" id="LabelSettings_pv71o"]
+font_size = 40
+
+[sub_resource type="LabelSettings" id="LabelSettings_cu1nb"]
+font_size = 34
+
+[node name="hud" type="Control" node_paths=PackedStringArray("speed", "distance")]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_3pkgo")
+speed = NodePath("Speedometer")
+distance = NodePath("Distancemeter")
+
+[node name="Speedometer" type="Label" parent="."]
+layout_mode = 1
+anchors_preset = -1
+anchor_left = 1.0
+anchor_top = 1.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = -220.0
+offset_top = -103.0
+grow_horizontal = 0
+grow_vertical = 0
+text = "speed"
+label_settings = SubResource("LabelSettings_pv71o")
+horizontal_alignment = 2
+vertical_alignment = 2
+
+[node name="Distancemeter" type="Label" parent="."]
+layout_mode = 1
+anchors_preset = 5
+anchor_left = 0.5
+anchor_right = 0.5
+offset_left = -20.0
+offset_right = 20.0
+offset_bottom = 23.0
+grow_horizontal = 2
+text = "distance"
+label_settings = SubResource("LabelSettings_cu1nb")

src/gui/hud/hud_controller.gd

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+extends Control
+#references
+## reference to the speedometer label
+@export var speed: Label
+## reference to the distance meter label
+@export var distance: Label
+
+func _on_player_speed_changed(speed_float:float):
+	var speed_string = "%.f" % speed_float
+#	print_debug("changing speed display to ", speed_string)
+	speed.set_text(speed_string)
+
+func _on_level_distance_changed(distance_float):
+	var distance_string ="%.f" % distance_float
+	distance.set_text(distance_string)