mirror of
https://github.com/DigvijaysinhGohil/Godot-Shader-Lib.git
synced 2025-09-20 04:15:58 +08:00
72 lines
1.8 KiB
GDScript3
72 lines
1.8 KiB
GDScript3
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@tool
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class_name VisualShaderNodeProceduralPolygon extends VisualShaderNodeCustom
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func _init() -> void:
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_set_input_port_default_value(1, 3)
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_set_input_port_default_value(2, 0.5)
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_set_input_port_default_value(3, 0.5)
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output_port_for_preview = 0
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func _get_name() -> String:
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return "Polygon"
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func _get_category() -> String:
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return "Procedural/Shapes"
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func _get_description() -> String:
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return "Generates a regular polygon shape based on input UV at the size specified by inputs width and height. The polygon's amount of sides is determined by input sides."
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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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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 "sides"
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2:
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return "width"
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3:
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return "height"
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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:
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return PORT_TYPE_VECTOR_2D
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1:
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return PORT_TYPE_SCALAR_INT
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2, 3:
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return PORT_TYPE_SCALAR
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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) -> VisualShaderNode.PortType:
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return PORT_TYPE_SCALAR
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func _get_global_code(mode: Shader.Mode) -> String:
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var code: String = preload("Polygon.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 sides: String = input_vars[1]
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var width: String = input_vars[2]
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var height: String = input_vars[3]
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return output_vars[0] + " = polygon_shape(%s, %s, %s, %s);" % [uv, sides, width, height]
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