VisualShaderNodeFaceForward

Inherits: VisualShaderNode < Resource < Reference < Object

Returns the vector that points in the same direction as a reference vector within the visual shader graph.

Description

Translates to faceforward(N, I, Nref) in the shader language. The function has three vector parameters: N, the vector to orient, I, the incident vector, and Nref, the reference vector. If the dot product of I and Nref is smaller than zero the return value is N. Otherwise -N is returned.

© 2014–2020 Juan Linietsky, Ariel Manzur, Godot Engine contributors
Licensed under the MIT License.
https://docs.godotengine.org/en/3.2/classes/class_visualshadernodefaceforward.html