Code refactored to incorporate #6

addons/ShaderLib_v2_2_4/Procedural/Fractals/KochFractal.gd

@@ -0,0 +1,84 @@
+@tool
+class_name VisualShaderNodeProceduralKochFractal extends ShaderLib
+
+func _init() -> void:
+	output_port_for_preview = 0
+
+func _get_name() -> String:
+	return "KochFractal"
+
+func _get_category() -> String:
+	return "Procedural/Fractals"
+
+func _get_description() -> String:
+	return "Generates an koch curve similar to ice fractal shape based on input UV at the size specified by inputs width and height."
+
+func _get_return_icon_type() -> PortType:
+	return PORT_TYPE_SCALAR
+
+func _get_input_port_count() -> int:
+	return 5
+
+func _get_input_port_name(port: int) -> String:
+	match port:
+		0:
+			return "uv"
+		1:
+			return "thickness"
+		2:
+			return "iterations"
+		3:
+			return "widht"
+		_:
+			return "height"
+
+func _get_input_port_type(port: int) -> PortType:
+	match port:
+		0:
+			return PORT_TYPE_VECTOR_2D
+		2:
+			return PORT_TYPE_SCALAR_INT
+		_:
+			return PORT_TYPE_SCALAR
+
+func _get_input_port_default_value(port: int) -> Variant:
+	match port:
+		1, 3, 4:
+			return 1.0
+		2:
+			return 3
+		_:
+			return null
+
+func _get_output_port_count() -> int:
+	return 2
+
+func _get_output_port_name(port: int) -> String:
+	match port:
+		0:
+			return "out"
+		_:
+			return "uv"
+
+func _get_output_port_type(port: int) -> PortType:
+	match port:
+		1:
+			return PORT_TYPE_VECTOR_2D
+		_:
+			return PORT_TYPE_SCALAR
+
+func _get_global_code(mode: Shader.Mode) -> String:
+	return "#include \"res://addons/ShaderLib_%s/Procedural/Procedural.gdshaderinc\"" % [version]
+
+func _get_code(input_vars: Array[String], output_vars: Array[String], mode: Shader.Mode, type: VisualShader.Type) -> String:
+	var uv: String = "UV"
+
+	if input_vars[0]:
+		uv = input_vars[0]
+
+	var thickness: String = input_vars[1]
+	var iterations: String = input_vars[2]
+	var width: String = input_vars[3]
+	var height: String = input_vars[4]
+
+	return output_vars[0] + " = koch_fractal(%s, %s, %s, %s, %s, %s);" % [uv, thickness, iterations, width, height, output_vars[1]]