У вашего броузера проблема в совместимости с HTML5
In this Unity tutorial we'll make a shader to create fake volumetric lights/light shafts/god rays using the light weight render pipeline's shader graph.
Downloads: https://drive.google.com/open?id=1LppBfL5iYoJhDNcLvE_GpWXFFg101O9O
Twitter: https://twitter.com/MrTriPie