Mirror Material without using RenderTarget
I noticed that some materials can actually reflect scene and act like mirror. Sadly, default reflection range is quite short and instead of objects reflects either darkness or skybox.
Since default trick with RenderTarget and camera is not perfect, is there a way to actually increase reflection radius?
I found it. It's easiest thing in the world - you actually have UPlanarReflectionComponent which you can include in place of your reflecting surface. You need only to rotate it properly to actually get PlanarReflection parallel (and in place) to reflecting surface. As I wrote before, multiple reflections are probably impossible on this stage of Unreal Engine (...shame), but other than that everything works great. Maybe reflection has too small resolution, but you can probably change it in UPlanarReflectionComponent properties.
answered Jan 31 '17 at 05:25 PM
I was looking for a solution for this and found your answer which was helpful! Thanks!
To increase the resolution of the reflection, push the "Screen Percentage" to 100 (from default 50).
answered Nov 10 '17 at 02:26 AM
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