godot/doc/classes/VisibilityNotifier.xml

<?xml version="1.0" encoding="UTF-8" ?>
<class name="VisibilityNotifier" inherits="Spatial" category="Core" version="3.0.7">
	<brief_description>
		Detects when the node is visible on screen.
	</brief_description>
	<description>
		The VisibilityNotifier detects when it is visible on the screen. It also notifies when its bounding rectangle enters or exits the screen or a [Camera]'s view.
	</description>
	<tutorials>
	</tutorials>
	<demos>
	</demos>
	<methods>
		<method name="is_on_screen" qualifiers="const">
			<return type="bool">
			</return>
			<description>
				If [code]true[/code], the bounding box is on the screen.
				Note: It takes one frame for the node's visibility to be assessed once added to the scene tree, so this method will return [code]false[/code] right after it is instantiated, even if it will be on screen in the draw pass.
			</description>
		</method>
	</methods>
	<members>
		<member name="aabb" type="AABB" setter="set_aabb" getter="get_aabb">
			The VisibilityNotifier's bounding box.
		</member>
	</members>
	<signals>
		<signal name="camera_entered">
			<argument index="0" name="camera" type="Object">
			</argument>
			<description>
				Emitted when the VisibilityNotifier enters a [Camera]'s view.
			</description>
		</signal>
		<signal name="camera_exited">
			<argument index="0" name="camera" type="Object">
			</argument>
			<description>
				Emitted when the VisibilityNotifier exits a [Camera]'s view.
			</description>
		</signal>
		<signal name="screen_entered">
			<description>
				Emitted when the VisibilityNotifier enters the screen.
			</description>
		</signal>
		<signal name="screen_exited">
			<description>
				Emitted when the VisibilityNotifier exits the screen.
			</description>
		</signal>
	</signals>
	<constants>
	</constants>
</class>