rob (bobacupcake)
Game developer and technical artist who publishes shader walkthroughs and a shader-basics reference on his site, covering sparkles, translucency and stylised materials.
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- bobacupcake's tutorials index
Collection of shader and VFX tutorials with animated gifs, consolidated on the creator's site.
bobacupcake.com · Nov 2025 - Red Mage job stone shader walkthrough
Getting a cut gemstone to sparkle through bevelled geometry choices and specular shader setup.
bobacupcake.com · Nov 2025 - Pokémon Emerald cartridge shader walkthrough
Achieving a translucent plastic cartridge effect by modelling internals and layering transparency tricks.
bobacupcake.com · Nov 2025 - Quantum shard shader walkthrough
Sculpting a crystal shard and building its glowing, sparkly shader step by step.
bobacupcake.com · Nov 2025 - Snom gummies shader walkthrough
Making gummy candy look edible using a noise texture as a normal map plus sparkle highlights.
bobacupcake.com · Nov 2025 - CD bagel shader walkthrough
From a 3D-scanned donut to an iridescent CD-like shader: model, textures and shading choices.
bobacupcake.com · Sep 2025 - Shader basics
Beginner-friendly reference of individual shader techniques like sparkles, fresnel and normal tricks.
bobacupcake.com · ~Apr 2025