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https://github.com/Relintai/pandemonium_engine.git
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55 lines
2.3 KiB
XML
55 lines
2.3 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="VisibilityNotifier2D" inherits="Node2D" version="3.8">
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<brief_description>
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Detects approximately when the node is visible on screen.
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</brief_description>
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<description>
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The VisibilityNotifier2D detects when it is visible on the screen. It also notifies when its bounding rectangle enters or exits the screen or a viewport.
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If you want nodes to be disabled automatically when they exit the screen, use [VisibilityEnabler2D] instead.
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[b]Note:[/b] For performance reasons, VisibilityNotifier2D uses an approximate heuristic with precision determined by [member ProjectSettings.world/2d/cell_size]. If you need precise visibility checking, use another method such as adding an [Area2D] node as a child of a [Camera2D] node.
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</description>
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<tutorials>
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<link title="2D Dodge The Creeps Demo">https://godotengine.org/asset-library/asset/515</link>
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</tutorials>
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<methods>
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<method name="is_on_screen" qualifiers="const">
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<return type="bool" />
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<description>
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If [code]true[/code], the bounding rectangle is on the screen.
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[b]Note:[/b] 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.
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</description>
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</method>
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</methods>
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<members>
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<member name="rect" type="Rect2" setter="set_rect" getter="get_rect" default="Rect2( -10, -10, 20, 20 )">
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The VisibilityNotifier2D's bounding rectangle.
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</member>
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</members>
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<signals>
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<signal name="screen_entered">
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<description>
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Emitted when the VisibilityNotifier2D enters the screen.
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</description>
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</signal>
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<signal name="screen_exited">
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<description>
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Emitted when the VisibilityNotifier2D exits the screen.
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</description>
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</signal>
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<signal name="viewport_entered">
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<argument index="0" name="viewport" type="Viewport" />
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<description>
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Emitted when the VisibilityNotifier2D enters a [Viewport]'s view.
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</description>
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</signal>
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<signal name="viewport_exited">
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<argument index="0" name="viewport" type="Viewport" />
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<description>
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Emitted when the VisibilityNotifier2D exits a [Viewport]'s view.
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</description>
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</signal>
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</signals>
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<constants>
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</constants>
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</class>
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