Rainy Halloween Pixel Diorama in Pure TypeScript

Zero

@zer0point_eth · 508 followers

• No game engine, no sprites: every pixel of rain, sparks, smoke and flicker is rendered by TypeScript code
• Strong warm/cold palette contrast between the rainy night and firelit windows, with lightning flashes
• Built in about 10 minutes from a single prompt, designed to loop smoothly for hours at 1080p

“Claude Opus 5.5 just coded this entire animated pixel art world from scratch using only TypeScript No game engine. No static image generators. Just pure code rendering a cozy, rainy world. Here is the exact prompt: > "Make me an animated pixel art Halloween diorama, built to be the looping cover for a 10 hour lofi music video. Build the palette on strong warm/cold contrast: a cold, rainy night against warm pockets of firelight and glowing windows. Bring it to life with great effects: rain, fire sparks, drifting smoke and flickering light. It should look crisp full screen at 1080p and loop smoothly for hours." How it actually works under the hood: > Written entirely in TypeScript in about 10 minutes > Renders complex atmospheric loops: rain particles, lightning flashes, smoke, firelight, and a skeleton relaxing under an umbrella > Can hook into Sprite Fusion API or MCP to generate and animate custom game sprites on demand Give an LLM TypeScript and a pixel grid, and it stops being a text chatbot It becomes an ambient studio”