def sprite(self, filename):
print " -- initializing point sprite {}".format(filename)
self._sprite_texture = Texture.from_file(filename)
def sprite(self, filename):
''' Enable or disable point sprite rendering.
If filename is not None a texture object will be created from the
filename and point sprites will be used when rendering. If filename is
None point sprite rendering will be disabled.
filename -- path to point sprite texture (or None to disable sprites)
'''
if filename:
#debug(msg='initializing point sprite').add('filename', filename).flush()
self._sprite_texture = Texture.from_file(filename)
else:
#debug(msg='point sprite rendering disabled').flush()
self._sprite_texture = None
