def initalize(self, physics_dta):
        """
        Prepare our particle for use.
        physics_dta describes the velocity, coordinates, and acceleration of the particle.
        """
        self.rotation = random.randint(self.rotation_range[0], self.rotation_range[1])
        self.current_time = 0.0
        self.color = self.start_color
        self.scale = self.start_scale
        self.physics = physics_dta