miggor-StreamGraph/classes/deck/nodes/math/vector_dot.gd

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# (c) 2023-present Eroax
# (c) 2023-present Yagich
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
extends DeckNode
func _init() -> void:
name = "Vector Dot Product"
node_type = "vector_dot"
description = "Returns the dot product of two vectors."
add_input_port(
DeckType.Types.DICTIONARY,
"Vector A"
)
add_input_port(
DeckType.Types.DICTIONARY,
"Vector B"
)
add_output_port(
DeckType.Types.NUMERIC,
"Dot"
)
func _value_request(_on_port: int) -> Variant:
var va = request_value(0)
var vb = request_value(1)
if !va || !vb:
DeckHolder.logger.log_node("Vector Dot: one of the vectors is invalid.", Logger.LogType.ERROR)
return null
if !(va as Dictionary).has("x") || !(va as Dictionary).has("y"):
DeckHolder.logger.log_node("Vector Dot: one of the vectors is invalid.", Logger.LogType.ERROR)
return null
if !(vb as Dictionary).has("x") || !(vb as Dictionary).has("y"):
DeckHolder.logger.log_node("Vector Dot: one of the vectors is invalid.", Logger.LogType.ERROR)
return null
return va.x * vb.x + va.y * vb.y