Receiver works, probably

entities/emitter/emitter.tscn

@@ -1,19 +1,10 @@
-[gd_scene load_steps=8 format=3 uid="uid://cayxfaqxv0irg"]
+[gd_scene load_steps=7 format=3 uid="uid://cayxfaqxv0irg"]
 
 [ext_resource type="Script" uid="uid://cxtlguregjv8m" path="res://entities/emitter/emitter.gd" id="1_n2sjg"]
 [ext_resource type="Texture2D" uid="uid://cnad2jlo5hr1l" path="res://entities/emitter/emitter.aseprite" id="2_m4shj"]
+[ext_resource type="PackedScene" uid="uid://dpgncxhv41apt" path="res://entities/energy_flow/energy_flow_line.tscn" id="3_6vwrl"]
 [ext_resource type="Script" uid="uid://dryjau28sybgd" path="res://common/interactable_body.gd" id="3_n2sjg"]
 
-[sub_resource type="PlaceholderTexture2D" id="PlaceholderTexture2D_n2sjg"]
-size = Vector2(4, 3)
-
-[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_6vwrl"]
-particle_flag_disable_z = true
-spread = 1.0
-initial_velocity_min = 275.86
-initial_velocity_max = 325.0
-gravity = Vector3(0, 0, 0)
-
 [sub_resource type="CircleShape2D" id="CircleShape2D_m4shj"]
 radius = 32.0
 
@@ -27,15 +18,8 @@ metadata/_custom_type_script = "uid://csbip0oj1uu0j"
 [node name="Sprite2D" type="Sprite2D" parent="."]
 texture = ExtResource("2_m4shj")
 
-[node name="GPUParticles2D" type="GPUParticles2D" parent="."]
-position = Vector2(13, 0)
-texture = SubResource("PlaceholderTexture2D_n2sjg")
-process_material = SubResource("ParticleProcessMaterial_6vwrl")
-
-[node name="Line2D" type="Line2D" parent="."]
-points = PackedVector2Array(0, 0, 300, 0)
-width = 3.0
-default_color = Color(1, 0.180392, 1, 1)
+[node name="EnergyFlowLine" parent="." instance=ExtResource("3_6vwrl")]
+maximum_flow_distance = 313.0
 
 [node name="Area2D" type="Area2D" parent="."]