function checkColisions()
            {
                player.controlGravity = true;


                for each (platform in PlatformList)
                {

                        //If the player is toutching the platform and if their 'y' is the same (toutching with feet on platform)
                        if (platform.hitTestObject(player) && player.y==platform.y)
                        {
                            player.toutchingGround = true;
                            player.controlGravity = false;
                            }


                    }


                }
        }