mirror of
https://github.com/DigvijaysinhGohil/Godot-Shader-Lib.git
synced 2025-09-19 20:05:57 +08:00
40 lines
1.1 KiB
GDScript
40 lines
1.1 KiB
GDScript
@tool
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class_name VisualShaderNodePseudoRandomNoise extends VisualShaderNodeCustom
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func _init() -> void:
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set_input_port_default_value(0, 0.0)
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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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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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