#!/usr/bin/python

import sys , os , random, controler
from view import View
from controler import Controller

QUIT = 0
NB_BILLES = 2
WIDTH = 5
HEIGHT = 5
MAX_SPEED = 10

gen_id = 0

### Model ###   

class Bille:
   def __init__(self,pos_x,pos_y,vector_x,vector_y):
      global gen_id
      self.id = gen_id
      gen_id += 1
      self.x = pos_x
      self.y = pos_y
      self.vector_x = vector_x
      self.vector_y = vector_y

   def move(self):
      self.x += self.vector_x
      self.y += self.vector_y

   def detect_collision(self,others):
      for bille in others:
         if bille != self:
            if bille.x == self.x and bille.y == self.y:
               return bille
      return False

   def collision(self,other):
      tmp_vector_x = self.vector_x
      tmp_vector_y = self.vector_y
      self.vector_x = other.vector_x
      self.vector_y = other.vector_y
      other.vector_x = tmp_vector_x
      other.vector_y = tmp_vector_y
      print "collision ", self.id," ", other.id

   def next(self):
      return (self.x + self.vector_x , self.y + self.vector_y)

   def toString(self):
      print "bille :",self.id,"\npos_x =",self.x,"\npos_y =",self.y,"\nvect_x =",self.vector_x,"\nvect_y =",self.vector_y
   
def main():
   # init
   ctrl = Controller(WIDTH,HEIGHT)
   ctrl.create(NB_BILLES)
   
   # Initialize View
   view = View(WIDTH,HEIGHT)

   while not QUIT:

      for bille in billes:
         bille.move() # inclure un position de position suivant pour detecter un future collision
         tmp = bille.detect_collision(billes)
         if tmp:
            print "move"
            bille.collision(tmp)
         if bille.x <= 0 or bille.x >= WIDTH:
            bille.vector_x = -bille.vector_x
         if bille.y <= 0 or bille.y >= HEIGHT:
            bille.vector_y = -bille.vector_y

      view.showall(billes)   
      view.update()
      

main()