void updatePlayer(struct _Player *player)
{
    // Player going up
    if(keys[KEY_UP] && player->jetpackActive){

		if(player->speedyUp < player->maxspeed){
            player->speedyUp += 0.5;
			player->speedyUp += sqrt(player->maxspeed / fabs(player->maxspeed - player->speedyUp)) / pow(player->speedyUp, 2);
		}else
            player->speedyUp = player->maxspeed;

        if(player->speedyDown > 0)
            player->speedyDown /= 1.1;
			player->speedyDown -= 0.2;
        if(player->speedyDown < 0)
            player->speedyDown = 0;

    // Player going down
	} else if(keys[KEY_UP] && !player->jumpGravity){

	    if(player->onGroud)
        {
            player->speedyUp += 22;
            player->jumpGravity = true;
        }

	}else if(player->jumpGravity){

        if(player->speedyUp > 0)
			player->speedyUp -= 1.5;
        if(player->speedyUp < 1.5)
        {
            player->jumpGravity = false;
            player->jetpackActive = true;
        }

	}else{

		if(player->speedyDown < player->maxspeed + 5){
            player->speedyDown += 0.90; // Original: 0.65
			player->speedyDown += sqrt((player->maxspeed + 6) / fabs((player->maxspeed + 6) - player->speedyDown)) / pow(player->speedyDown, 2) / 1.3;
		}else
            player->speedyDown = player->maxspeed + 5;

		if(player->speedyUp > 0)
            player->speedyUp /= 1.1;
			player->speedyUp -= 0.2;
        if(player->speedyUp < 0)
            player->speedyUp = 0;

	}