Medium EffectsAnimated
Pulsing zigzag stripes with a pulsing brightness
A picture built in steps: zoom in and out, then draw zigzag stripes, then color it, then finish with a pulsing brightness. Every step is listed below with its exact numbers.
How this challenge works
You write a fragment shader that draws the picture above, live in your browser. A match bar shows how close you are, and the score combines accuracy, code size (the par is 353 characters in Unity (Built-in)) and GPU speed. Work in HLSL, GLSL, WGSL, Metal or Godot and export the result when you are done.
The numbers you need
- Space
p = (uv - 0.5) * float2(aspect, 1.0)- Step 1: Zoom in and out
p *= 1.0 + 0.2 * sin(time * 2.5)- Step 2: Pattern
m = step(0.5, frac((p.y + abs(frac(p.x * 6.0) - 0.5) * 0.5) * 5.0))- Step 3: Colors
lerp(float3(0.09, 0.22, 0.17), lerp(float3(0.31, 0.82, 0.53), float3(0.86, 0.51, 0.87), uv.y), m)- Step 4: Finish
col *= 0.9 + 0.1 * sin(time * 4.5)
Solve it in your language
Unity (Built-in), Unity (URP), Unreal, Shadertoy / WebGL, OpenGL (LWJGL, raylib), three.js, GameMaker, LÖVE (Lua), Godot, Apple (iOS, macOS), WebGPU / Bevy.
Start coding