Your system asks for reduced motion, so VFX-JS draws nothing. Demos on this site show plain HTML.
Type
EffectTextureSource
vfx-js/src/types.ts:631 ↗import type { EffectTextureSource } from "@vfx-js/core";Source types accepted by EffectContext.wrapTexture.
type EffectTextureSource =
| WebGLTexture
| HTMLImageElement
| HTMLCanvasElement
| HTMLVideoElement
| ImageBitmap
| OffscreenCanvas