時計仕掛けの大聖堂WebGLアニメ:GPT-6 AstraとFable 5.1の比較

Build a roughly 30-second cinematic WebGL animation in one self-contained HTML file using Three.js. The scene is a dark, golden-lit clockwork cathedral: concentric rotating rings and wheels around a central glass sphere, a swinging pendulum, a rose window, floating dust motes and a glowing corona. Use a warm amber and deep brown palette with a bright red-orange accent. Render the glass with refraction and absorption, add selective bloom limited to the corona and candle flames, depth of field with focus pulls, and water with ripples. Script the camera beat by beat: a slow opening on drifting dust, a rising flight through the rings, a lensing warp near the pendulum, and a closing return to the starting view. Done when the animation plays smoothly from start to end and loops back to its first frame.