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Light Function Issue With Hierarchical Instanced Meshes

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  • replied
    I am using tessellation. The issue was with light functions on translucent materials for cloud shadows.

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  • replied
    Is there a reason you aren't using tessellation for the ocean instead?

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  • replied
    Ok so the issue goes away when I change my water material from translucent to opaque. Is there a limitation with dynamic lights and translucent materials?

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  • Light Function Issue With Hierarchical Instanced Meshes

    Hi there, for my project, I needed a large water plane for an ocean. Instead of make one huge highly subdivided plane, I made 1 small 10m x 10m one that has 3 LOD stages. I then put it in a blueprint as a hierarchical instanced mesh and tiled it in the x and y with a foreach loop in the construction script. It runs very well, but I have an issue.

    My sun light (dynamic directional) has a light function material to simulate cloud shadows. It looks fine on everything except the water. Directly below me it works as intended, but then stretches out in the x and y like bands. anyone have an idea how to fix this without removing my light function?

    I attached an image because I'm not great at explaining things.
    Last edited by Gampersnaz; 05-07-2018, 06:43 AM.
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