X-Git-Url: https://git.yukkurigames.com/?p=python-bulletml.git;a=blobdiff_plain;f=bulletml%2Fimpl.py;h=9139f9c6b463eb6bb920c46ccb05d92b66930e50;hp=2c938d22f8299fbbd4ab5e0ac6de91967a4912ca;hb=9b5018cadee8ae1f5599b20095f47e4fa8b0bcc0;hpb=efb1bac1744eddeb90359cc4d20dc99ce0f6a94a

diff --git a/bulletml/impl.py b/bulletml/impl.py
index 2c938d2..9139f9c 100644
--- a/bulletml/impl.py
+++ b/bulletml/impl.py
@@ -238,9 +238,9 @@ class Bullet(object):
         self.actions = []
         if rank is None:
             rank = parent.rank if parent else 0.5
-        for action, params in actions:
-            # New bullets reset the parent hierarchy.
-            self.actions.append(Action(self, None, action, params, rank))
+        # New bullets reset the parent hierarchy.
+        self.actions = [Action(self, None, action, params, rank)
+                        for action, params in actions]
 
     def __repr__(self):
         return ("%s(%r, %r, accel=%r, direction=%r, speed=%r, "
@@ -256,7 +256,7 @@ class Bullet(object):
             return self.direction
         else:
             return math.degrees(
-                math.atan2(self.target.x - self.x, self.target.y - self.y))
+                math.atan2(self.target.x - self.x, self.y - self.target.y))
 
     @property
     def finished(self):
@@ -287,6 +287,8 @@ class Bullet(object):
             created.extend(action.step())
 
         direction = math.radians(self.direction)
+        self.px = self.x
+        self.py = self.y
         self.x += self.mx + math.sin(direction) * self.speed
         self.y += self.my - math.cos(direction) * self.speed