mirror of
https://github.com/DigvijaysinhGohil/Godot-Shader-Lib.git
synced 2025-01-07 01:43:35 +08:00
69 lines
1.5 KiB
GDScript
69 lines
1.5 KiB
GDScript
@tool
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class_name VisualShaderNodeUVTilingAndOffset extends ShaderLib
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func _get_name() -> String:
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return "TilingAndOffset"
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func _get_category() -> String:
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return "UV"
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func _get_description() -> String:
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return "Tiles and offsets the value of input UV by the inputs Tiling and Offset respectively. This is commonly used for detail maps and scrolling textures over TIME."
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func _get_return_icon_type() -> VisualShaderNode.PortType:
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return PORT_TYPE_VECTOR_2D
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func _get_input_port_count() -> int:
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return 3
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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 "tiling"
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2:
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return "offset"
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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, 1, 2:
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return PORT_TYPE_VECTOR_2D
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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:
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return Vector2(1.0, 1.0)
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2:
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return Vector2(0.0, 0.0)
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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 1
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func _get_output_port_name(port: int) -> String:
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return "uv"
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func _get_output_port_type(port: int) -> VisualShaderNode.PortType:
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return PORT_TYPE_VECTOR_2D
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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
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match mode:
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0, 1:
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uv = "UV"
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_:
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uv = "vec2(0.0)"
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if input_vars[0]:
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uv = input_vars[0]
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var tiling: String = input_vars[1]
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var offset: String = input_vars[2]
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return output_vars[0] + " = %s * %s + %s;" % [uv, tiling, offset]
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