new file mode 100644
--- /dev/null
+++ b/pytouhou/game/particle.pyx
@@ -0,0 +1,43 @@
+# -*- encoding: utf-8 -*-
+##
+## Copyright (C) 2015 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published
+## by the Free Software Foundation; version 3 only.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+
+from pytouhou.game.game cimport Game
+
+
+cdef class Particle(Effect):
+    def __init__(self, pos, index, anm, long amp, Game game, bint reverse=False, long duration=24):
+        Effect.__init__(self, pos, index, anm)
+
+        self.frame = 0
+        self.duration = duration
+
+        random_pos = (self.x + amp * game.prng.rand_double() - amp / 2,
+                      self.y + amp * game.prng.rand_double() - amp / 2)
+
+        if not reverse:
+            self.pos_interpolator = Interpolator((self.x, self.y), 0,
+                                                 random_pos, duration, formula=(lambda x: 2. * x - x ** 2))
+        else:
+            self.pos_interpolator = Interpolator(random_pos, 0,
+                                                 (self.x, self.y), duration, formula=(lambda x: 2. * x - x ** 2))
+            self.x, self.y = random_pos
+
+
+    cpdef update(self):
+        Effect.update(self)
+
+        self.pos_interpolator.update(self.frame)
+        self.x, self.y = self.pos_interpolator.values
+
+        self.frame += 1