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Blob Shadow quality degrades each time it's rendered on a new mesh on mobile.

I've created a blob shadow using a material and material function, it works perfectly on PC and for a moment on mobile, but when my character moves over a new mesh the quality degrades slightly and gets slightly more pixelated, when my character has moved over about 20 meshes it just disappears. I don't know much about rendering and shadows but I guess it's a problem with GPU memory and the shadow rendering on everything it touches and so every time it touches a new mesh it takes up more rendering power. So I hope the fix is just a checkbox somewhere that changes how it renders.

Product Version: UE 4.19
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asked Apr 23 '18 at 03:20 PM in Rendering

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