VectorTransform node initial implementation

addons/ShaderLib/Maths/Vector/VectorTransform.gd

@@ -0,0 +1,74 @@
+@tool
+class_name VisualShaderNodeVectorTransform extends VisualShaderNodeCustom
+
+func _init() -> void:
+	_set_input_port_default_value(0, Vector3(0.0, 0.0, 0.0))
+
+func _get_name() -> String:
+	return "VectorTransform"
+
+func _get_category() -> String:
+	return "Maths/Vector"
+
+func _get_description() -> String:
+	return "Returns the transformed vector of the input value from one coordinate space to another."
+
+func _get_return_icon_type() -> PortType:
+	return PORT_TYPE_VECTOR_3D
+
+func _get_input_port_count() -> int:
+	return 1
+
+func _get_input_port_name(port: int) -> String:
+	return "input"
+
+func _get_input_port_type(port: int) -> PortType:
+	return PORT_TYPE_VECTOR_3D
+
+func _get_output_port_count() -> int:
+	return 1
+
+func _get_output_port_name(port: int) -> String:
+	return "output"
+
+func _get_output_port_type(port: int) -> PortType:
+	return PORT_TYPE_VECTOR_3D
+
+func _get_property_count() -> int:
+	return 2
+
+func _get_property_default_index(index: int) -> int:
+	match index:
+		0:
+			return 0
+		_:
+			return 1
+
+func _get_property_name(index: int) -> String:
+	match index:
+		0:
+			return "From"
+		_:
+			return "To"
+
+func _get_property_options(index: int) -> PackedStringArray:
+	return ["Local", "World", "View", "Screen", "Tangent"]
+
+func _get_global_code(mode: Shader.Mode) -> String:
+	var code: String = preload("VectorTransform.gdshaderinc").code
+	return code
+
+func _get_code(input_vars: Array[String], output_vars: Array[String], mode: Shader.Mode, type: VisualShader.Type) -> String:
+	var code: String
+	var from_coord_space_index: int = get_option_index(0)
+	var to_coord_space_index: int = get_option_index(1)
+
+	#match from_coord_space_index:
+		#0:
+		#1:
+		#2:
+		#3:
+		#4:
+
+	code = "%s = some_function(%s)" % [input_vars[0], output_vars[0]]
+	return output_vars[0] + " = 0.0;"