<?xml version="1.0" encoding="UTF-8" ?> <class name="VisualShaderNodeSDFRaymarch" inherits="VisualShaderNode" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd"> <brief_description> SDF raymarching algorithm to be used within the visual shader graph. </brief_description> <description> Casts a ray against the screen SDF (signed-distance field) and returns the distance travelled. </description> <tutorials> </tutorials> </class>