File: module-HorizontalBlurShader.md | Updated: 11/15/2025
HorizontalBlurShader is an addon, and must be imported explicitly, see Installation#Addons.
import { HorizontalBlurShader } from 'three/addons/shaders/HorizontalBlurShader.js';
Two pass Gaussian blur filter (horizontal and vertical blur shaders).
References:
9 samples per pass
standard deviation 2.7
"h" and "v" parameters should be set to "1 / width" and "1 / height"