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mirror of https://github.com/DigvijaysinhGohil/Godot-Shader-Lib.git synced 2025-01-09 02:43:25 +08:00
2023-10-13 00:16:04 +05:30

70 lines
1.8 KiB
GDScript

@tool
class_name VisualShaderNodeProceduralCheckerBoard extends VisualShaderNodeCustom
func _init() -> void:
_set_input_port_default_value(1, Vector3(1.0, 1.0, 1.0))
_set_input_port_default_value(2, Vector3(0.4, 0.4, 0.4))
_set_input_port_default_value(3, Vector2(1.0, 1.0))
output_port_for_preview = 0
func _get_name() -> String:
return "CheckerBoard"
func _get_category() -> String:
return "Procedural"
func _get_description() -> String:
return "Generates a checkerboard of alternating colors between inputs Color A and Color B based on input UV."
func _get_return_icon_type() -> VisualShaderNode.PortType:
return PORT_TYPE_VECTOR_3D
func _get_input_port_count() -> int:
return 4
func _get_input_port_name(port: int) -> String:
match port:
0:
return "uv"
1:
return "color A"
2:
return "color B"
3:
return "frequency"
return ""
func _get_input_port_type(port: int) -> VisualShaderNode.PortType:
match port:
0, 3:
return PORT_TYPE_VECTOR_2D
1, 2:
return PORT_TYPE_VECTOR_3D
return PORT_TYPE_SCALAR
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) -> VisualShaderNode.PortType:
return PORT_TYPE_VECTOR_3D
func _get_global_code(mode: Shader.Mode) -> String:
var code: String = preload("CheckerBoard.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 color_a: String = input_vars[1]
var color_b: String = input_vars[2]
var frequency: String = input_vars[3]
return output_vars[0] + " = checker_board(%s, %s, %s, %s);" % [uv, color_a, color_b, frequency]