2023-12-24 20:47:18 +05:30
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@tool
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class_name VisualShaderNodePseudoRandomNoise 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 "PseudoRandomNoise"
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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 pseudo random noise based on input seed."
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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 1
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func _get_input_port_name(port: int) -> String:
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return "seed"
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func _get_input_port_type(port: int) -> PortType:
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return PORT_TYPE_SCALAR
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2024-01-12 16:53:06 +05:30
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func _get_input_port_default_value(port: int) -> Variant:
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match port:
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0:
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return 0.0
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_:
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return null
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2023-12-24 20:47:18 +05:30
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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) -> PortType:
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return PORT_TYPE_SCALAR
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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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return output_vars[0] + " = fract(sin(dot(UV.xy + vec2(%s), vec2(12.9898,78.233))) * 43758.5453123);" % input_vars[0]
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