mirror of
https://github.com/DigvijaysinhGohil/Godot-Shader-Lib.git
synced 2025-01-09 18:58:45 +08:00
127 lines
2.7 KiB
GDScript
127 lines
2.7 KiB
GDScript
@tool
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class_name VisualShaderNodeProceduralVoronoi 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 "Voronoi"
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func _get_category() -> String:
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return "Procedural/Noise"
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func _get_description() -> String:
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return "Generates a Voronoi or Worley noise based on input UV."
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func _get_return_icon_type() -> VisualShaderNode.PortType:
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return PORT_TYPE_SCALAR
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func _get_input_port_count() -> int:
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var distance_index: int = get_option_index(0)
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match distance_index:
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2:
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return 4
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_:
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return 3
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func _get_input_port_name(port: int) -> String:
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var distance_index: int = get_option_index(0)
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match distance_index:
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2:
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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 "cell density"
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2:
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return "angle offset"
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_:
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return "chebyshev power"
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_:
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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 "cell density"
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_:
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return "angle offset"
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func _get_input_port_type(port: int) -> VisualShaderNode.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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_:
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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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var distance_index: int = get_option_index(0)
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match distance_index:
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2:
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match port:
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1:
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return 5.0
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2:
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return 2.0
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3:
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return 2.0
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_:
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return null
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_:
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match port:
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1:
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return 5.0
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2:
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return 2.0
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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 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 "output"
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_:
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return "cells"
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func _get_output_port_type(port: int) -> VisualShaderNode.PortType:
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return PORT_TYPE_SCALAR
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func _get_property_count() -> int:
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return 1
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func _get_property_name(index: int) -> String:
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return "Distance"
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func _get_property_default_index(index: int) -> int:
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return 0
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func _get_property_options(index: int) -> PackedStringArray:
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return ["Euclidean", "Manhattan", "Chebyshev"]
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func _get_global_code(mode: Shader.Mode) -> String:
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var code: String = preload("Voronoi.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 distance_index: int = get_option_index(0)
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var cell_density: String = input_vars[1]
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var angle_offset: String = input_vars[2]
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var chebyshev_power: String = "0."
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if distance_index == 2:
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if input_vars[3]:
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chebyshev_power = input_vars[3]
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var output: String = output_vars[0]
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var cells: String = output_vars[1]
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return "voronoi_noise(%s, %s, %s, %s, %s, %s, %s);" % [uv, cell_density, angle_offset, distance_index, chebyshev_power, output, cells]
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