INNER CODE UNIT · Python

move_x

tuangauss/DataScienceProjects · Python/fireworks.py:63

            move_x = cos(radians(self.id*360/self.total))*self.initial_speed
            move_y = sin(radians(self.id*360/self.total))*self.initial_speed
            self.cv.move(self.cid, move_x, move_y)
            self.vx = move_x/(float(dt)*1000)

        # falling down in projectile motion
        elif self.alive():
            move_x = cos(radians(self.id*360/self.total))
            # we technically don't need to update x, y because move will do the job
            self.cv.move(self.cid, self.vx + move_x, self.vy+GRAVITY*dt)
            self.vy += GRAVITY*dt

        # remove article if it is over the lifespan
        elif self.cid is not None:
            cv.delete(self.cid)
            self.cid = None

    # define time frame for expansion

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