Most of prototype! yay

entities/energy_flow/energy_flow_line.gd

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+extends Node2D
+
+@onready var energy_line: Line2D = %EnergyLine
+@onready var ray_cast: RayCast2D = %RayCast
+
+@export_range(1,999,8) var maximum_flow_distance: float
+
+func _ready() -> void:
+	var target_position := Vector2(maximum_flow_distance, 0)
+	
+	energy_line.add_point(Vector2.ZERO)
+	energy_line.add_point(target_position)
+	
+	ray_cast.target_position = target_position
+
+func _process(delta: float) -> void:
+	energy_line.clear_points()
+	if ray_cast.is_colliding():
+		energy_line.add_point(Vector2.ZERO)
+		energy_line.add_point(ray_cast.get_collision_point() - global_position)
+	else :
+		energy_line.add_point(Vector2.ZERO)
+		energy_line.add_point(Vector2(maximum_flow_distance, 0))

entities/energy_flow/energy_flow_line.gd.uid

@@ -0,0 +1 @@
+uid://dtbeaqn2f6anq

entities/energy_flow/energy_flow_line.tscn

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+[gd_scene load_steps=2 format=3 uid="uid://dpgncxhv41apt"]
+
+[ext_resource type="Script" uid="uid://dtbeaqn2f6anq" path="res://entities/energy_flow/energy_flow_line.gd" id="1_fx3ax"]
+
+[node name="EnergyFlowLine" type="Node2D"]
+script = ExtResource("1_fx3ax")
+maximum_flow_distance = 305.0
+
+[node name="EnergyLine" type="Line2D" parent="."]
+unique_name_in_owner = true
+width = 3.0
+default_color = Color(0.705901, 0.0965751, 0.690904, 1)
+
+[node name="RayCast" type="RayCast2D" parent="."]
+unique_name_in_owner = true