Planar Reflections
How to set up planar reflections.
Planar Reflections
Planar reflections can be added by adding a planar reflections component to your camera. There should always be only 1 planar reflections component in your scene (or 0 if you don't want planar reflections).
First, you need to select the water object. Planar reflections are rendered by a secondary camera and this camera needs a reference point.
You can set the render scale, height offset and layer mask of the reflections. You can also set whether or not the skybox should be reflected.
These settings are shared for all water objects.
Performance
Planar reflections are rendered using a secondary camera and this can be expensive. To improve performance you can do one of 3 things.
Don't use planar reflections, don't add the planar reflections component to your camera.
Reduce the render scale of the planar reflections
Limit which objects are reflected using the layer mask
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