When I add multiple planar reflections for arch-viz, some of them on glasses don't have any result, but ones on mirror works properly.

Sometimes all the planar reflections on glass are invalid. But after restart the engine, the reflections get back to normal.

Any clue to fix it? Or it is the Engine limit.

(No ray tracing.)

Below are my material settings.

Glass material: enter image description here

Mirror material: enter image description here

  • \$\begingroup\$ Maybe show how the planar reflections look... \$\endgroup\$ – Raildex Sep 7 at 10:39
  • \$\begingroup\$ @Raildex . Looks like the glass material preview sphere in the picture. Reflect nothing at all. \$\endgroup\$ – bao007fei Sep 7 at 15:11
  • \$\begingroup\$ but thats not a planar reflection. \$\endgroup\$ – Raildex Sep 7 at 19:04
  • \$\begingroup\$ Exactly, no planar reflection on translucent blend mode material(like glass). In the mean while the opaque blend mode material(like mirror or any other glossy material) works properly as expected. \$\endgroup\$ – bao007fei Sep 8 at 7:25

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