SpaceTransform.osl

// Created by Saul Espinosa for Redshift 3D
// Modified 01.11.2022
// This file is licensed under Apache 2.0 license
//
// History:
//  2025-10-08
//   - Licensed under Apache 2.0
//   - Cleaned up indentation and simplified branches
//

shader SpaceTransform
[[  string label = "Space Transform"]]
(
	// Inputs
	vector Input = 0
	[[  string label = "Input", string page = "Input" ]],

	string Type = "point"
	[[  string label = "Input Type",
		string page = "Input",
		string widget = "popup",
		string options  = "point|vector|normal" ]],
		
	string From = "world"
	[[  string label = "Input Space",
		string page = "Transform",
		string widget = "popup",
		string options  = "world|object|camera|screen" ]],
		
	string To = "world"
	[[  string label = "Output Space",
		string page = "Transform",
		string widget = "popup",
		string options  = "world|object|camera|screen" ]],

	int Normalize = 0
	[[  string widget = "checkBox",
		string page = "Transform",
		string label = "Normalize",
		int connectable = 0 ]],
		
	// Output	
	output vector Output = 0
	[[  string label = "Output", string page = "Output" ]]
)
{
	// Apply selected transform
	if (Type == "point")
		Output = transform(From, To, point(Input));
	else if (Type == "normal")
		Output = transform(From, To, normal(Input));
	else
		Output = transform(From, To, Input);

	// Normalize output
	if (Normalize)
		Output = normalize(Output);
}