Fix visible square behind sun by switching celestial to additive blending

Alpha blending caused faint quad edges to be visible against the sky
gradient. Additive blending correctly adds glow light without the
outline artifact. Edge fade starts earlier and discard threshold raised.
This commit is contained in:
Kelsi 2026-02-23 07:40:51 -08:00
parent 59f487c941
commit 83d7f26f33
3 changed files with 7 additions and 6 deletions

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