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45 lines
1.1 KiB
GDScript3
45 lines
1.1 KiB
GDScript3
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# (c) 2023-present Eroax
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# (c) 2023-present Yagich
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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extends DeckNode
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func _init() -> void:
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name = "Normalize Vector"
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node_type = "vector_normalize"
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description = "Normalizes a vector so its' length (magnitude) is exactly 1."
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category = "math"
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add_input_port(
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DeckType.Types.DICTIONARY,
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"Vector"
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)
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add_output_port(
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DeckType.Types.DICTIONARY,
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"Result"
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)
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func _value_request(_on_port: int) -> Variant:
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var v = request_value(0)
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if !v:
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DeckHolder.logger.log_node("Vector Normalize: the vector is invalid.", Logger.LogType.ERROR)
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return null
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if !(v as Dictionary).has("x") || !(v as Dictionary).has("y"):
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DeckHolder.logger.log_node("Vector Normalize: the vector is invalid.", Logger.LogType.ERROR)
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return null
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var l: float = (v.x ** 2.0) + (v.y ** 2.0)
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var res := {"x": v.x, "y": v.y}
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if l != 0:
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l = sqrt(l)
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res.x = res.x / l
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res.y = res.y / l
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return res
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DeckHolder.logger.log_node("Vector Normalize: the vector is length 0. Returning null.", Logger.LogType.ERROR)
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return null
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