1 files changed, 26 insertions, 0 deletions
diff --git a/UI/hud.gd b/UI/hud.gd
index d5f7cc3..909dfa6 100644
--- a/UI/hud.gd
+++ b/UI/hud.gd
@@ -5,3 +5,29 @@ func _ready() -> void:
 	Game.score_changed.connect(func():
 		%Score.text = str(Game.score)
 	)
+	
+	Game.speed_changed.connect(func():
+		%Speed.text = str(Game.speed).pad_decimals(1) + "x"
+	)
+
+
+func _on_button_blocker_gui_input(event: InputEvent) -> void:
+	if event.is_action_pressed("select"):
+		Game.selected_unit_type = preload("res://Units/Blocker.tscn")
+
+func _on_button_digger_gui_input(event: InputEvent) -> void:
+	if event.is_action_pressed("select"):
+		Game.selected_unit_type = preload("res://Units/Digger.tscn")
+
+func _on_button_miner_gui_input(event: InputEvent) -> void:
+	if event.is_action_pressed("select"):
+		Game.selected_unit_type = preload("res://Units/Miner.tscn")
+
+
+func _on_button_plus_gui_input(event: InputEvent) -> void:
+	if event.is_action_pressed("select"):
+		Game.speed = min(Game.speed + 0.5, 5)
+
+func _on_button_minus_gui_input(event: InputEvent) -> void:
+	if event.is_action_pressed("select"):
+		Game.speed = max(Game.speed - 0.5, 0.5)