Here is presented some advanced techniques with combination of all sdf image features.

`Glow`

UI elements glow can be imitated with sdf material, win disabled main outline layer, and soft second outline layer.

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This glow allows to use transparent background.

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Take a closer look at GlowBorder prefab. Only Outline layer is enabled, and in material Main Color is transparent, Second layer is enabled and has Softness.

Also glow is change on mouse hover and click (with help of built-in button) Start playmode to see this