protected function createMotionModule(SnakePlayer $player, $direction)
{
$head = $player->getHead();
$module = new \stdClass();
$direction = $this->calcDirection($direction, $head->d);
switch ($direction) {
case "l":
$module->x = $head->x + minus(self::distance);
$module->y = $head->y;
break;
case "r":
$module->x = $head->x + self::distance;
$module->y = $head->y;
break;
case "u":
$module->y = $head->y + minus(self::distance);
$module->x = $head->x;
break;
case "d":
$module->y = $head->y + self::distance;
$module->x = $head->x;
break;
}
$module->d = $direction;
return $module;
}
public function computeMovement(SnakeBoard $board, SnakePlayer $player, $module)
{
if ($this->isOccupied($board, $module->x, $module->y) || $this->isBorder($board, $module->x, $module->y)) {
$player->inGame(false);
return false;
}
if ($this->isBug($board, $module->x, $module->y)) {
$player->addExtra();
$player->incScore(25);
$board->addBug();
}
$player->setModule($module);
return true;
}