53 lines
2.1 KiB
Markdown
53 lines
2.1 KiB
Markdown
# Vignette
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The **Vignette** effect darkens the edges of an image. This simulates the effect in a real-world camera lens caused by thick or stacked filters, secondary lenses, or an improper lens hood. You can use the **Vignette** effect to draw attention to the center of an image.
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The Vignette effect in the post-processing stack has two modes:
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- [Classic](#classic)
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- [Masked](#masked)
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<a name="classic"></a>
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## Classic
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**Classic** mode has parametric controls for the position, shape and intensity of the Vignette. This is the most common way to use the effect.
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### Properties
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| Property | Function |
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| :-------------- | :------------------------------------------------------------ |
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| Color | Set the color of the Vignette. |
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| Center | Set the Vignette center point (screen center is [0.5,0.5]). |
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| Intensity | Set the amount of vignetting on screen. |
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| Smoothness | Set the smoothness of the Vignette borders. |
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| Roundness | Set the value to round the Vignette. Lower values will make a more squared vignette. |
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| Rounded | Enable this checkbox to make the vignette perfectly round. When disable, the Vignette effect is dependent on the current aspect ratio. |
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<a name="masked"></a>
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## Masked
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**Masked** mode uses a custom texture mask and multiplies it over the scene to create a Vignette effect. This mode can be used to create less common or irregular vignetting effects.
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### Properties
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| Property | Function |
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| :------------- | :------------------------------------------------------- |
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| Color | Set the color of the Vignette. Use the alpha channel for transparency. |
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| Mask | Select a black and white mask to use as a vignette. |
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| Intensity | Set the mask opacity value. |
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### Requirements
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- Shader Model 3
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