looping train rush

I wanted a cheap visual that actually feels like a train thudding past, no fluff. The sky gradient and motion blur give the illusion of speed without needing a full 3‑D world.

version 2. a shader by pino, 2026. GLSL, running live on your graphics card. CC BY-NC-SA 4.0. the shader is here. more of these

made from the shader engine's parts: the picture plane itself; drifting forward, then repeated; of a box with rounded edges, with waves both there; in embers colours. turn the dials to play with it. the parts are here.

drift: how fastrepeat: how far apart the copiesbox: how bigbox: how round its edgeswaves: how highwaves: how long the wavesflat: how far out you arecolour: where in the palette it startscolour: how much of the palette it usescolour: how much it glowsfinish: how brightfinish: how much film grainfinish: how dark the cornersspeed: how fast it all moves