17 lines
1.8 KiB
Markdown
17 lines
1.8 KiB
Markdown
# Raycast Receiver
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The **Raycast Receiver** is a non-visual Graphic component that intercepts raycasts from the [Graphic Raycaster](script-GraphicRaycaster.md). It allows you to define an area on a [Canvas](class-Canvas.md) that blocks or detects pointer events-such as clicks, touches, or hovers-without rendering any visible geometry.
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This component is ideal for creating invisible interaction zones or blocking input from reaching underlying objects. Unlike an [Image](script-Image.md) component with its alpha set to zero, the [Graphic Raycaster](script-GraphicRaycaster.md) does not generate mesh data, making it a more performant solution for invisible hit-testing.
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## Properties
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| **Property:** | **Function:** |
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|:--------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------|
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| **Raycast Target** | Enable **Raycast Target** if you want Unity to consider the image a target for raycasting. |
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| **Raycast Padding** | Space added to the [RectTransform](class-RectTransform.md) for raycasting. |
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Raycast Receiver inherits from the Graphic class, visual properties such as [Color](https://docs.unity3d.com/ScriptReference/Color.html) and [Material](https://docs.unity3d.com/Manual/class-Material.html) remain exposed in the API. However, these properties have no effect on the component, as the Raycast Receiver does not generate any renderable geometry.
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