shadertoy▌

Real-time GLSL fragment shader development for procedural graphics and visual effects. \n \n Provides complete Shadertoy API reference including built-in inputs (iResolution, iTime, iMouse, iChannel0-3) and the mainImage entry point structure \n Covers essential patterns: ray marching with distance fields, procedural color palettes, hash functions, 2D/3D rotations, domain repetition, and post-processing techniques \n Includes multi-pass rendering workflows for temporal feedback and buffer compos