feat: add ability to toggle sound via hotkey

Author: danielzting

project.godot

@@ -192,6 +192,11 @@ smaller={
 "events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":83,"unicode":0,"echo":false,"script":null)
  ]
 }
+sound_toggle={
+"deadzone": 0.5,
+"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":77,"unicode":0,"echo":false,"script":null)
+ ]
+}
 
 [rendering]
 

scenes/levels.tscn

@@ -48,11 +48,11 @@ margin_right = 263.0
 
 [node name="Label" type="Label" parent="LevelSelect/LevelsBorder"]
 margin_left = 20.0
-margin_top = 577.0
+margin_top = 555.0
 margin_right = 283.0
 margin_bottom = 640.0
 size_flags_vertical = 8
-text = "Use the WASD keys to adjust the size and speed of the simulation."
+text = "Use the WASD keys to adjust the size and speed of the simulation, and M to toggle sound."
 autowrap = true
 
 [node name="Preview" type="VBoxContainer" parent="LevelSelect"]

views/array_sound.gd

@@ -30,3 +30,10 @@ func _init():
 func triangle(x):
     """Generate a triangle wave from the given phase."""
     return 2 / PI * asin(sin(PI * x))
+
+func _input(event):
+    if event.is_action_pressed("sound_toggle"):
+        # Prevent event from propagating to ComparisonSort trigger
+        get_tree().set_input_as_handled()
+        var bus = AudioServer.get_bus_index("Master")
+        AudioServer.set_bus_mute(bus, not AudioServer.is_bus_mute(bus))