Inherits: VisualShaderNode < Resource < Reference < Object

Devuelve el vector que apunta en la misma dirección que un vector de referencia dentro del gráfico shader visual.


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.