mirror of
https://github.com/DigvijaysinhGohil/Godot-Shader-Lib.git
synced 2025-01-09 18:58:45 +08:00
85 lines
1.9 KiB
GDScript
85 lines
1.9 KiB
GDScript
@tool
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class_name VisualShaderNodeProceduralKochFractal extends ShaderLib
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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 "KochFractal"
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func _get_category() -> String:
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return "Procedural/Fractals"
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func _get_description() -> String:
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return "Generates an koch curve similar to ice fractal shape based on input UV at the size specified by inputs width and height."
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func _get_return_icon_type() -> PortType:
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return PORT_TYPE_SCALAR
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func _get_input_port_count() -> int:
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return 5
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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 "thickness"
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2:
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return "iterations"
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3:
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return "widht"
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_:
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return "height"
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func _get_input_port_type(port: int) -> PortType:
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match port:
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0:
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return PORT_TYPE_VECTOR_2D
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2:
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return PORT_TYPE_SCALAR_INT
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_:
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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, 3, 4:
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return 1.0
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2:
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return 3
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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 2
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func _get_output_port_name(port: int) -> String:
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match port:
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0:
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return "out"
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_:
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return "uv"
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func _get_output_port_type(port: int) -> PortType:
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match port:
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1:
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return PORT_TYPE_VECTOR_2D
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_:
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return PORT_TYPE_SCALAR
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func _get_global_code(mode: Shader.Mode) -> String:
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return "#include \"res://addons/ShaderLib_%s/Procedural/Procedural.gdshaderinc\"" % [version]
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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 thickness: String = input_vars[1]
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var iterations: String = input_vars[2]
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var width: String = input_vars[3]
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var height: String = input_vars[4]
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return output_vars[0] + " = koch_fractal(%s, %s, %s, %s, %s, %s);" % [uv, thickness, iterations, width, height, output_vars[1]]
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