# HG changeset patch
# User Jeremy Thurgood <firxen@gmail.com>
# Date 1378499228 -7200
# Node ID 024304f6d068df3212334e6e345b5e8783e7786c
# Parent  21c1c329f8e360529e4dba8b07d18e6383173e18
Use timers for enemy ballistics cooldown.

diff -r 21c1c329f8e3 -r 024304f6d068 nagslang/enemies.py
--- a/nagslang/enemies.py	Fri Sep 06 21:56:57 2013 +0200
+++ b/nagslang/enemies.py	Fri Sep 06 22:27:08 2013 +0200
@@ -42,7 +42,6 @@
             self.make_physics(space, position), self.make_renderer())
         self.world = world
         self.angle = 0
-        self._last_fired = 0
 
     def make_physics(self, space, position):
         raise NotImplementedError
@@ -98,13 +97,13 @@
                 continue
             return
 
-        if self.lifetime - self._last_fired >= reload_time:
+        if not self.check_timer('reload_time'):
+            self.start_timer('reload_time', reload_time)
             vec = Vec2d((target.x - pos.x, target.y - pos.y))
             if vec.length < range_:
                 vec.length = speed
                 FireEvent.post(pos, vec, damage, type_,
                                COLLISION_TYPE_ENEMY)
-                self._last_fired = self.lifetime
 
     def greedy_move(self, target):
         """Simple greedy path finder"""