virtualx-engine/doc/classes/VisualShaderNodeDerivativeFunc.xml

<?xml version="1.0" encoding="UTF-8" ?>
<class name="VisualShaderNodeDerivativeFunc" inherits="VisualShaderNode" version="4.0">
	<brief_description>
		Calculates a derivative within the visual shader graph.
	</brief_description>
	<description>
		This node is only available in [code]Fragment[/code] and [code]Light[/code] visual shaders.
	</description>
	<tutorials>
	</tutorials>
	<members>
		<member name="function" type="int" setter="set_function" getter="get_function" enum="VisualShaderNodeDerivativeFunc.Function" default="0">
			A derivative function type. See [enum Function] for options.
		</member>
		<member name="op_type" type="int" setter="set_op_type" getter="get_op_type" enum="VisualShaderNodeDerivativeFunc.OpType" default="0">
			A type of operands and returned value. See [enum OpType] for options.
		</member>
	</members>
	<constants>
		<constant name="OP_TYPE_SCALAR" value="0" enum="OpType">
			A floating-point scalar.
		</constant>
		<constant name="OP_TYPE_VECTOR" value="1" enum="OpType">
			A 3D vector type.
		</constant>
		<constant name="OP_TYPE_MAX" value="2" enum="OpType">
			Represents the size of the [enum OpType] enum.
		</constant>
		<constant name="FUNC_SUM" value="0" enum="Function">
			Sum of absolute derivative in [code]x[/code] and [code]y[/code].
		</constant>
		<constant name="FUNC_X" value="1" enum="Function">
			Derivative in [code]x[/code] using local differencing.
		</constant>
		<constant name="FUNC_Y" value="2" enum="Function">
			Derivative in [code]y[/code] using local differencing.
		</constant>
		<constant name="FUNC_MAX" value="3" enum="Function">
			Represents the size of the [enum Function] enum.
		</constant>
	</constants>
</class>