AlphaMerge VisualShaderNode 4.4
A simple boilerplate convenience node that merges RGB + A -> RGBA. Shows up in Addons/Utility folder in shadernode search menu
To use, copypaste this code into a .gd file. You may need to reload your project for it to show up
Shader code
@tool
class_name VSNode_Alpha_Merge
extends VisualShaderNodeCustom
###################
## Base Props
###################
func _get_name() -> String:
return "AlphaMerge"
func _get_category() -> String:
return "Utility"
func _get_description() -> String:
return "Merges an alpha channel from two inputs"
func _get_return_icon_type() -> PortType:
return PORT_TYPE_VECTOR_4D
#################
## Input props
#################
func _get_input_port_count() -> int:
return 2
func _get_input_port_name(port: int) -> String:
match port:
0: return "RGB"
1: return "A"
return ""
func _get_input_port_type(port: int) -> PortType:
match port:
0: return PORT_TYPE_VECTOR_3D
1: return PORT_TYPE_SCALAR
return PORT_TYPE_SCALAR
func _get_input_port_default_value(port: int) -> Variant:
match port:
0: return Vector3(1, 1, 1)
1: return 1.0
return Vector3(0, 0, 0)
#################
## Output props
#################
func _get_output_port_count() -> int:
return 1
func _get_output_port_name(port: int) -> String:
return "RGBA"
func _get_output_port_type(port: int) -> PortType:
return VisualShaderNode.PORT_TYPE_VECTOR_4D
func _get_code(input_vars: Array[String], output_vars: Array[String],
mode: Shader.Mode, type: VisualShader.Type) -> String:
return output_vars[0] + " = vec4(%s.rgb, %s);" % [input_vars[0], input_vars[1]]
