forked from BilalY/Rasagar
33 lines
1.3 KiB
Markdown
33 lines
1.3 KiB
Markdown
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# Decals and masking in the Water System
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## Masks
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You can use a **Water Mask** to affect the influence the simulation has on specific areas of the water surface.
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Masks take into account the **Wrap Mode** of the texture on the importer. For **Ocean, Sea, or Lake** water surface types, choose **Clamp** rather the default, **Repeat**.
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<table>
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<tr>
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<td>
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<img src="Images/WaterMask_Example-22.2.png">
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</td>
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<td>
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<img src="Images/WaterMask_ExempleRender.PNG">
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</td>
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</tr>
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<tr>
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<td colspan="2">
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In this example, the Red channel attenuates the First and Second bands with a gradient. The noise on the Green channel attenuates ripples. See the <a href="settings-and-properties-related-to-the-water-system.md#watermask">Water Mask property description</a> for more information.
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</td>
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</tr>
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</table>
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## Decals
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You can use a [decal](decals.md) with a water surface in the form of a **Decal Layer Mask**. You might use this to imitate debris floating on the water, for example.
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**Global Opacity** determines the amount of influence the decal has on the appearance of the water surface.
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Certain [Decal Shader](decal-material-inspector-reference.md) Surface Options do not work with water surfaces:
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* **Affect Metal**
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* **Affect Ambient Occlusion**
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* **Affect Emission**
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* **Affect Base Color** only produces monochromatic output.
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