RadialShearUV node added, FlipbookUV node code refactored

addons/ShaderLib/UV/FlipbookUV.gd

@@ -59,7 +59,7 @@ func _get_output_port_type(port: int) -> VisualShaderNode.PortType:
 	return PORT_TYPE_VECTOR_2D
 
 func _get_global_code(mode: Shader.Mode) -> String:
-	var code: String = preload("FlipbooxUV.gdshaderinc").code
+	var code: String = preload("FlipbookUV.gdshaderinc").code
 	return code
 
 func _get_code(input_vars: Array[String], output_vars: Array[String], mode: Shader.Mode, type: VisualShader.Type) -> String:

addons/ShaderLib/UV/RadialShearUV.gd

@@ -0,0 +1,66 @@
+@tool
+class_name VisualShaderNodeUVRadialShear extends VisualShaderNodeCustom
+
+func _init() -> void:
+	_set_input_port_default_value(1, Vector2(0.5, 0.5))
+	_set_input_port_default_value(2, 10.0)
+	_set_input_port_default_value(3, Vector2(0.0, 0.0))
+
+func _get_name() -> String:
+	return "Radial Shear"
+
+func _get_category() -> String:
+	return "UV"
+
+func _get_description() -> String:
+	return "Applies a radial shear warping effect similar to a wave to the value of input UV."
+
+func _get_return_icon_type() -> VisualShaderNode.PortType:
+	return PORT_TYPE_VECTOR_2D
+
+func _get_input_port_count() -> int:
+	return 4
+
+func _get_input_port_name(port: int) -> String:
+	match port:
+		0:
+			return "uv"
+		1:
+			return "center"
+		2:
+			return "strength"
+		3:
+			return "offset"
+	return ""
+
+func _get_input_port_type(port: int) -> VisualShaderNode.PortType:
+	match port:
+		0, 1, 3:
+			return PORT_TYPE_VECTOR_2D
+		2:
+			return PORT_TYPE_SCALAR
+	return PORT_TYPE_SCALAR
+
+func _get_output_port_count() -> int:
+	return 1
+
+func _get_output_port_name(port: int) -> String:
+	return "uv"
+
+func _get_output_port_type(port: int) -> VisualShaderNode.PortType:
+	return PORT_TYPE_VECTOR_2D
+
+func _get_global_code(mode: Shader.Mode) -> String:
+	var code: String = preload("RadialShearUV.gdshaderinc").code
+	return code
+
+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 center: String = input_vars[1]
+	var strength: String = input_vars[2]
+	var offset: String = input_vars[3]
+	return output_vars[0] + " = radial_shear_uv(%s, %s, %s, %s);" % [uv, center, strength, offset];

addons/ShaderLib/UV/RadialShearUV.gdshaderinc

@@ -0,0 +1,6 @@
+vec2 radial_shear_uv(vec2 uv, vec2 center, float strength, vec2 offset){
+	vec2 _delta = uv - center;
+	float _delta2 = dot(_delta.xy, _delta.xy);
+	vec2 _delta_offset = vec2(_delta2 * strength);
+	return uv + vec2(_delta.y, -_delta.x) * _delta_offset + offset;
+}