--- a/skaapsteker/physics.py	Sat May 07 15:39:38 2011 +0200
+++ b/skaapsteker/physics.py	Sat May 07 17:29:10 2011 +0200
@@ -252,17 +252,7 @@
         self._last_time = now
         return dt
 
-    def update(self):
-        if self._last_time is None:
-            self._last_time = time.time()
-            return
-
-        dt = self.get_dt()
-
-        self.apply_gravity(dt)
-        self.apply_friction()
-        self.handle_escaped_sprites()
-
+    def update_sprite_positions(self, dt):
         # position update and collision check (do last)
         for sprite in self._mobiles:
             sprite.apply_velocity(dt)
@@ -279,23 +269,26 @@
                     (sprite.collide_rect.width, 1))
             collides = contact_rect.colliderect
             floors = []
-            if sprite.on_solid:
-                # Check if we are still in contact with the ground
-                still_on_solid = False
-                for other in self._collision_groups[sprite.collision_layer]:
-                    if (other.floor or other.block) and collides(other.floor_rect):
-                        still_on_solid = True
-                        floors.append(other)
-                sprite.on_solid = still_on_solid
-            else:
-                # Are we currently in contact with the ground
-                for other in self._collision_groups[sprite.collision_layer]:
-                    if (other.floor or other.block) and collides(other.floor_rect):
-                        sprite.on_solid = True
-                        floors.append(other)
+
+            # Are we currently in contact with the ground?
+            sprite.on_solid = False
+            for other in self._collision_groups[sprite.collision_layer]:
+                if (other.floor or other.block) and collides(other.floor_rect):
+                    sprite.on_solid = True
+                    floors.append(other)
             sprite.check_floors(floors)
 
-        # call update methods
+    def update(self):
+        if self._last_time is None:
+            self._last_time = time.time()
+            return
+
+        dt = self.get_dt()
+
+        self.apply_gravity(dt)
+        self.apply_friction()
+        self.handle_escaped_sprites()
+        self.update_sprite_positions(dt)
         self._updaters.update()
         self.handle_actions()