Check Out How Emissive Decals Can Simulate Lighting in 3D Scenes
passivestar also showcased another use of decals.
Game Developer and Technical Artist passivestar shared a useful trick for imitating lighting in 3D scenes without complex setups.
In the demo video above, the artist demonstrated that emissive decals can be used as a lightweight alternative to traditional light sources, allowing for achieving convincing lighting effects with minimal performance.
This approach can be particularly useful in game environments where optimizing lighting setup counts is important.
The artist also showcased another creative application of decals, this time using them to imitate water:
Before, passivestar showcased more of his amazing projects, such as this exploration of stencil support in Godot Engine 4.5, a hilarious grass setup, and using Blender's platform generator with live-reloading Godot assets:
godot 4.5 added stencil support
— passivestar (@passivestar.bsky.social) 9 августа 2025 г. в 19:09
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Also, check out our interview with the artist to learn more about his workflow.
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