_step

pgfw/Sprite.py

@@ -5,7 +5,7 @@ from glob import glob
 
 from pygame import Color, Rect, Surface, PixelArray
 from pygame.image import load
-from pygame.transform import flip, rotate
+from pygame.transform import flip
 from pygame.locals import *
 
 from Animation import Animation
@@ -14,8 +14,6 @@ from extension import get_hue_shifted_surface, get_step
 
 class Sprite(Animation):
 
-    N, W, S, E = range(4)
-
     def __init__(self, parent, framerate=None, neighbors=[], mass=None):
         Animation.__init__(self, parent, self.shift_frame, framerate)
         self.frames = []
@@ -26,12 +24,11 @@ class Sprite(Animation):
         self.frameset_index = 0
         self.neighbors = neighbors
         self.mass = mass
-        self.step = EVector()
+        self._step = EVector()
         self.set_frameset(0)
         self.locations.append(Location(self))
         self.motion_overflow = Vector()
         self.display_surface = self.get_display_surface()
-        self.rotation = self.N
 
     def __getattr__(self, name):
         if name in ("location", "rect"):
@@ -138,16 +135,6 @@ class Sprite(Animation):
              frames[ii] = flip(frame, True, False)
         self.mirrored = not self.mirrored
 
-    def point(self, heading):
-        center = self.location.center
-        for ii, frame in enumerate(self.frames):
-            self.frames[ii] = rotate(frame, abs(heading - self.rotation) * 90)
-        for frameset in self.framesets:
-            frameset.measure_rect()
-        self.update_location_size()
-        self.rotation = heading
-        self.location.center = center
-
     def clear_frames(self):
         self.frames = []
         for frameset in self.framesets:
@@ -224,18 +211,18 @@ class Sprite(Animation):
                 frameset.reverse()
 
     def set_step(self, dx=0, dy=0, magnitude=None, angle=0):
-        self.step.set_step(dx, dy, magnitude, angle)
+        self._step.set_step(dx, dy, magnitude, angle)
 
     def cancel_step(self):
-        self.step.set_step(0, 0)
+        self._step.set_step(0, 0)
 
     def is_stepping(self):
-        return bool(self.step)
+        return bool(self._step)
 
     def update(self, areas=None, substitute=None):
         Animation.update(self)
         if self.is_stepping():
-            self.move(self.step.dx, self.step.dy)
+            self.move(self._step.dx, self._step.dy)
         for neighbor in self.neighbors:
             self.move(*get_step(self.location.center, neighbor.location.center,
                                 neighbor.mass))