Added volume slider

default_bus_layout.tres

@@ -0,0 +1,15 @@
+[gd_resource type="AudioBusLayout" format=2]
+
+[resource]
+bus/1/name = "Music"
+bus/1/solo = false
+bus/1/mute = false
+bus/1/bypass_fx = false
+bus/1/volume_db = 0.0
+bus/1/send = "Master"
+bus/2/name = "Hits"
+bus/2/solo = false
+bus/2/mute = false
+bus/2/bypass_fx = false
+bus/2/volume_db = 0.0
+bus/2/send = "Master"

main.tscn

@@ -22,7 +22,7 @@ shader_param/num_receptors = 8
 shader_param/receptor_offset = 0.392699
 shader_param/line_color = Color( 0, 0, 1, 1 )
 shader_param/dot_color = Color( 0, 0, 1, 1 )
-shader_param/shadow_color = Color( 0, 0, 0, 0.568627 )
+shader_param/shadow_color = Color( 0, 0, 0, 0.57 )
 shader_param/line_thickness = 0.00434783
 shader_param/dot_radius = 0.026087
 shader_param/shadow_thickness = 0.0173913
@@ -79,6 +79,7 @@ __meta__ = {
 
 [node name="music" type="AudioStreamPlayer" parent="."]
 volume_db = -6.0
+bus = "Music"
 
 [node name="video" type="VideoPlayer" parent="."]
 margin_left = -540.0
@@ -90,6 +91,7 @@ grow_vertical = 2
 rect_pivot_offset = Vector2( 540, 540 )
 mouse_filter = 2
 volume_db = -80.0
+bus = "Music"
 script = ExtResource( 2 )
 __meta__ = {
 "_edit_use_anchors_": false
@@ -219,6 +221,29 @@ __meta__ = {
 "_edit_use_anchors_": false
 }
 
+[node name="Label3" type="Label" parent="InputHandler"]
+margin_top = 240.0
+margin_right = 133.0
+margin_bottom = 254.0
+text = "Main Volume"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="VolumeSlider" type="HSlider" parent="InputHandler"]
+margin_left = 10.0
+margin_top = 260.0
+margin_right = 250.0
+margin_bottom = 276.0
+min_value = -70.0
+max_value = 0.0
+step = 1.0
+tick_count = 8
+ticks_on_borders = true
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
 [node name="VsyncButton" type="CheckButton" parent="InputHandler"]
 margin_top = 90.0
 margin_right = 117.0

project.godot

@@ -58,6 +58,5 @@ singletons_disabled=[  ]
 [rendering]
 
 vram_compression/import_etc=true
-environment/default_clear_color=Color( 0.16, 0.16, 0.16, 1 )
 quality/filters/msaa=1
 environment/default_environment="res://default_env.tres"

scripts/InputHandler.gd

@@ -38,6 +38,7 @@ func _ready():
 	$VsyncButton.connect("toggled", self, "update_vsync")
 	$WakelockButton.connect("toggled", self, "update_wakelock")
 	$FilterSlider.connect("value_changed", self, "update_filter")
+	$VolumeSlider.connect("value_changed", self, "update_volume")
 	resize()
 
 func update_vsync(setting: bool):
@@ -49,6 +50,9 @@ func update_wakelock(setting: bool):
 func update_filter(alpha: float):
 	GameTheme.screen_filter_min_alpha = alpha
 
+func update_volume(volume: float):
+	AudioServer.set_bus_volume_db(0, volume)
+
 func print_pressed(col: int):
 	print("Pressed %d"%col)
 

scripts/Menu.gd

@@ -181,7 +181,7 @@ func _draw_song_select(center: Vector2) -> Array:
 		var subsize_n = subsize
 		var x_p = x
 		var x_n = x
-		for i in range(1, len(scales.array)):
+		for i in range(1, scales.len()):
 			x_p += subsize_p + spacer_x
 			x_n += subsize_n + spacer_x
 			subsize_p = size * scales.value(abs(i-selected_song_delta))