mirror of
https://github.com/DigvijaysinhGohil/Godot-Shader-Lib.git
synced 2025-01-09 02:43:25 +08:00
77 lines
1.8 KiB
GDScript
77 lines
1.8 KiB
GDScript
@tool
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class_name VisualShaderNodeProceduralCheckerBoard extends VisualShaderNodeCustom
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func _init() -> void:
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output_port_for_preview = 0
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func _get_name() -> String:
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return "CheckerBoard"
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func _get_category() -> String:
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return "Procedural"
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func _get_description() -> String:
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return "Generates a checkerboard of alternating colors between inputs Color A and Color B based on input UV."
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func _get_return_icon_type() -> VisualShaderNode.PortType:
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return PORT_TYPE_VECTOR_3D
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func _get_input_port_count() -> int:
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return 4
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func _get_input_port_name(port: int) -> String:
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match port:
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0:
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return "uv"
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1:
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return "color A"
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2:
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return "color B"
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3:
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return "frequency"
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return ""
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func _get_input_port_type(port: int) -> VisualShaderNode.PortType:
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match port:
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0, 3:
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return PORT_TYPE_VECTOR_2D
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1, 2:
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return PORT_TYPE_VECTOR_3D
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return PORT_TYPE_SCALAR
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func _get_input_port_default_value(port: int) -> Variant:
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match port:
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1:
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return Vector3(1.0, 1.0, 1.0)
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2:
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return Vector3(0.4, 0.4, 0.4)
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3:
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return Vector2(1.0, 1.0)
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_:
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return null
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func _get_output_port_count() -> int:
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return 1
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func _get_output_port_name(port: int) -> String:
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return "output"
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func _get_output_port_type(port: int) -> VisualShaderNode.PortType:
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return PORT_TYPE_VECTOR_3D
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func _get_global_code(mode: Shader.Mode) -> String:
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var code: String = preload("CheckerBoard.gdshaderinc").code
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return code
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func _get_code(input_vars: Array[String], output_vars: Array[String], mode: Shader.Mode, type: VisualShader.Type) -> String:
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var uv: String = "UV"
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if input_vars[0]:
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uv = input_vars[0]
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var color_a: String = input_vars[1]
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var color_b: String = input_vars[2]
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var frequency: String = input_vars[3]
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return output_vars[0] + " = checker_board(%s, %s.xyz, %s.xyz, %s);" % [uv, color_a, color_b, frequency]
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