Your system asks for reduced motion, so VFX-JS draws nothing. Demos on this site show plain HTML.
Type
EffectUniformValue
vfx-js/src/types.ts:647 ↗import type { EffectUniformValue } from "@vfx-js/core";A value you can assign to a shader uniform.
The upload variant (uniform1f etc) is picked automatically
from the shader's declared uniform type.
type EffectUniformValue =
| number
| boolean
| [number, number]
| [number, number, number]
| [number, number, number, number]
| number[]
| Float32Array
| Int32Array
| Uint32Array
| EffectTexture
| EffectRenderTarget