conforms file names to consistant standard

scenes/flow_field/flow_node.gd

@@ -0,0 +1,62 @@
+class_name FlowNodeVisualiser
+extends StaticBody3D
+
+var data: FlowNodeData
+var connections: Array[FlowNodeVisualiser]
+var visualisers: Array[Node3D]
+var visual_scene: PackedScene = preload("res://Scenes/FlowField/cube2.tscn")
+var best_path: FlowNodeVisualiser : 
+	get():
+		return best_path
+	set(value):
+		set_connector_color(best_path, Color.DARK_GRAY)
+		best_path = value
+		set_connector_color(best_path, Color.DARK_GREEN)
+
+
+func setup_connection_visualisers() -> void:
+	visualisers = []
+	for node: FlowNodeVisualiser in connections:
+		var visual: Node3D = visual_scene.instantiate()
+		add_child(visual)
+		visual.owner = self
+		visualisers.append(visual)
+		set_connector_color(node, Color.WEB_GRAY)
+
+
+@warning_ignore("unused_parameter")
+func _process(delta: float) -> void:
+	if visible:
+		for i: int in connections.size():
+			var distance: float = global_position.distance_to(connections[i].global_position)
+			visualisers[i].scale = Vector3(0.3, 0.3, 1.0 * (distance / 2.0))
+			visualisers[i].position = to_local(connections[i].global_position) / 4.0
+			if distance >= 0.05:
+				visualisers[i].look_at(connections[i].global_position)
+
+
+func set_color(new_color: Color) -> void:
+	$flow_node/Sphere.material_override.albedo_color = new_color
+
+
+func set_connector_color(node: FlowNodeVisualiser, new_color: Color) -> void:
+	if visible:
+		var i: int = connections.find(node)
+		visualisers[i].get_child(0).material_override.albedo_color = new_color
+
+
+func add_connection(node: FlowNodeVisualiser) -> void:
+	if !connections.has(node):
+		var visual: Node3D = visual_scene.instantiate()
+		add_child(visual)
+		visual.owner = self
+		connections.append(node)
+		visualisers.append(visual)
+		set_connector_color(node, Color.WEB_GRAY)
+
+
+func remove_connection(node: FlowNodeVisualiser) -> void:
+	if connections.has(node):
+		var i: int = connections.find(node)
+		visualisers.pop_at(i).queue_free()
+		connections.remove_at(i)