import pygame, sys, random
from pygame.locals import *

def doRectsOverlap(rect1, rect2):
    for a, b in [(rect1, rect2), (rect2, rect1)]:
        if ((isPointInsideRect(a.left, a.top, b)) or
            (isPointInsideRect(a.left, a.bottom, b)) or
            (isPointInsideRect(a.right, a.top, b)) or
            (isPointInsideRect(a.right, a.bottom, b))):
            return True
    return False

def isPointInsideRect(x, y, rect):
    if (x > rect.left) and (x < rect.right) and (y > rect.top) and (y < rect.bottom):
        return True
    else:
        return False

# set up the colors
BLACK = (0, 0, 0)
GREEN = (0, 255, 0)
WHITE = (255, 255, 255)

# set up pygame
pygame.init()
mainClock = pygame.time.Clock()

# set up the window
WINDOWWIDTH = 800
WINDOWHEIGHT = 600
surface = pygame.display.set_mode((WINDOWWIDTH, WINDOWHEIGHT), 0, 32)
pygame.display.set_caption('Frogger')

playerPOS = [WINDOWWIDTH/2,WINDOWHEIGHT]
playerSize = [50,50]



def draw():
    player()
    obstacle()

def player():
    pygame.draw.rect(surface, WHITE, (playerPOS[0]-(playerSize[0]/2), playerPOS[1]-(playerSize[1]), playerSize[0], playerSize[1]))

obstacles = []
obstaclePOS = [WINDOWWIDTH/2,WINDOWHEIGHT]
obstacleSize = [50,50]
def obstacle(x,y):
    pygame.draw.rect(surface, GREEN, (x, y, obstacleSize[0], obstacleSize[1]))

def generate():