def __init__(self, surface, particle_surface, rotate_and_scale=False):
		"""
		surface -- pygame surface to render particles to
		particle_surface -- surface blit to draw each particle.
		rotate_and_scale -- If true, the particles surfaces are rotated and scaled
		before blitting.
		"""
		self.surface = surface
		self.particle_surface = particle_surface
		self.rotate_and_scale = rotate_and_scale
def __init__ ( self , surface , particle_surface , rotate_and_scale = False ) : self . surface = surface self . particle_surface = particle_surface self . rotate_and_scale = rotate_and_scale
surface -- pygame surface to render particles to
		particle_surface -- surface blit to draw each particle.
		rotate_and_scale -- If true, the particles surfaces are rotated and scaled
		before blitting.