Error setting Sphere map in material with PREFILTERED Cubemap

Help & Support
1

Hello, I’ve encountered an error in the following situation:

  • When using PREFILTERED Cubemap
  • Setting the Sphere Map texture in the ENVIRONMENT material The error seems to occur when only these conditions are met.

Here is the project:

Here are the material settings:

material-settings
material-settings289×938 45.3 KB

Error occurs when using PREFILTERED Cubemap and setting Sphere Map in ENVIRONMENT

cubemap-sphere-map
cubemap-sphere-map900×493 157 KB

No error case

Do not set Cubemap

no-cubemap
no-cubemap900×492 57.8 KB

Do not set Prefiltered Cubemap

no-prefiltered
no-prefiltered900×489 370 KB

Other findings (the error disappears when displaying another material)

One thing I found is that when displaying one other material, the error disappeared.

cubemap-sphere-map-other-material
cubemap-sphere-map-other-material900×495 107 KB

When displaying two other materials, the error completely disappeared.

cubemap-sphere-map-other-material-2
cubemap-sphere-map-other-material-2900×493 148 KB

I thought that this issue might occur when using PREFILTERED Cubemap and Sphere Map.

I’m not entirely certain, but I wanted to share some information I found while investigating this issue. It seems that there may be an error occurring when texture_envAtlas is missing in this section of the code: engine/standard-material.js at afd26b0f6398fecff7bc72b70ddc774114f83bcc · playcanvas/engine · GitHub.