playcanvas / playcanvas/engine

Cubemap mip seams

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#7,811 0 comments 0 reactions 1 assignee View on GitHub

@mvaligursky is already working on this.

Since Jul 2, 2025.

area: graphics
Dominant language
JavaScript
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Description

At some point a mipped cubemap started to show seams. Here is a helipad cubemap from the asset store:

Image

Notice a vertical seam.

Not sure when the issue cropped up. Here are 2 builds to see the difference (only engine version is changed).

v1.52.6:
https://playcanv.as/b/begeRy6G

v2.8.2:
https://playcanv.as/b/7eca6532

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