Expand contextual actions horizontally

BuildController.gd

@@ -397,11 +397,16 @@ func _layout_context_buttons() -> void:
 		for button in buttons:
 			button.visible = false
 		return
+	# Expand sideways so the controls stay in the same visual band instead of
+	# pushing the player down a vertical stack. Three actions fit across the
+	# 720px phone layout with the same generous 148px touch targets.
 	for i in range(buttons.size()):
 		var button: Control = buttons[i]
 		button.visible = true
-		button.offset_top = 488 + i * 164
-		button.offset_bottom = button.offset_top + 148
+		button.offset_left = 188 + i * 164
+		button.offset_right = button.offset_left + 148
+		button.offset_top = 324
+		button.offset_bottom = 472
 
 
 func _context_action_buttons() -> Array:

tests/test_hangar_management.gd

@@ -64,8 +64,8 @@ func _process(delta: float) -> bool:
 			return true
 
 		# Context actions are compact until expanded. A mothership has three
-		# choices: research, transfer cargo and hangar, which must receive
-		# their own non-overlapping berth only after expansion.
+		# choices: research, transfer cargo and hangar, which unfold in their
+		# own non-overlapping berths to the right only after expansion.
 		var mothership: Node2D = load("res://Building.tscn").instantiate()
 		mothership.set("building_type", GameState.BUILDING_MOTHERSHIP)
 		controller.current_building = mothership
@@ -73,7 +73,7 @@ func _process(delta: float) -> bool:
 		controller._layout_context_buttons()
 		var buttons: Array = [controller.building_action_button, controller.transfer_button, controller.hangar_button]
 		for i in range(buttons.size() - 1):
-			if buttons[i].offset_bottom > buttons[i + 1].offset_top:
+			if buttons[i].offset_right > buttons[i + 1].offset_left:
 				_fail("context buttons %d and %d overlap" % [i, i + 1])
 				return true
 		controller._collapse_context_actions()