fx: input extracted to own node

evolve-die-repeat/molecular/player_input.gd

@@ -0,0 +1,29 @@
+extends Node
+
+
+var target = Vector2.ZERO # should be either Vector2 or Node2D
+var updating: bool = false 
+var holding_lmb: bool = false
+
+func _input(event):
+	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT:
+		if event.pressed:
+			# start tracking
+			target = owner.get_global_mouse_position()
+			updating = true
+		else:
+			# stop tracking
+			updating = false
+
+func _process(delta):
+	if typeof(target) == TYPE_VECTOR2 and updating:
+		target = owner.get_global_mouse_position()
+
+func get_target_position() -> Vector2:
+	if typeof(target) == TYPE_VECTOR2 or typeof(target) == TYPE_VECTOR3:
+		return target
+	elif "position" in target:
+		return target.position
+	else:
+		return Vector2.ZERO
+		target = Vector2.ZERO # reset target to a Vector2