def randomGeneration(self):
timer = Timer(100)
timer.start()
cTime = timer.get()
t = random.choice([1, 2, 3])
while not self.isCollision:
nTime = timer.get()
if cTime - nTime > t:
obstacle = Obstacle(self, self.mainPlayer)
obstacle.start()
timer.increase(t)
cTime = timer.get()
t = random.choice([0.5, 1.0, 1.5])
self.gameOver()
