private float timeToDisappear; //for SpecialFood
private void Start()
{
food = FindObjectOfType <Food>();
specialFood = FindObjectOfType <SpecialFood>();
snakeBehaviour = FindObjectOfType <SnakeBehaviour>();
FoodSpawned = false;
SpecialFoodSpawned = false;
RanTime();
}
// Update is called once per frame
/*<summary>
* Update is responsible for movement, ar for instantiation of special food.
* </summary>
*/
void Update()
{
//if game is over don't want snake to move
if (GameManager.instance.gameOver)
{
return;
}
//to be sure if game could be continued if for some reason food was not created
if (GameObject.FindGameObjectsWithTag("NormalFood").Length == 0)
{
foodPrefab.GetComponent <Food>().AddNewOne();
}
//counting time to instantiate new special food object
timeToNewSpecialFood -= Time.deltaTime;
if (timeToNewSpecialFood <= 0) // if all time has passed
{
//create new special food object
SpecialFood sf = specialFoodPrefab.GetComponent <SpecialFood>();
sf.AddNewOne();
//random new time to create new special food object
//range is selected to not create new object before old one is not expired
timeToNewSpecialFood = Random.Range(2 * sf.timeToDestroy, 2 * sf.timeToDestroy + maxTimeToNewSpecialFood);
}
//if there is not a time for a next move
if (Time.time < nextFrameTime)
{
return;
}
nextFrameTime += interval; // set up a new move time
SnakeElement.MoveTail(snake); //firstly move a snake tail
SnakeHead head = snake[0] as SnakeHead; // head will always be firs member
//check if rotation is set up
if (isTurningLeft)
{
isTurningLeft = false;
head.RotateHeadCounterClockwise();
}
else if (isTurningRight)
{
isTurningRight = false;
head.RotateHeadClockwise();
}
SnakeElement.MoveHead(snake); // move head including rotation
}
private void OnTriggerEnter2D(Collider2D collision)
{
GameObject obj = collision.gameObject;
if (obj.GetComponent <Food>())
{
Food food = collision.GetComponent <Food>();
food.DestroyAndAddPoints();
snakeGrow = true;
foodSpawner.FoodSpawned = false;
Destroy(obj);
}
else if (obj.GetComponent <SpecialFood>())
{
SpecialFood spFood = collision.GetComponent <SpecialFood>();
spFood.DestroyAndAddPoints();
snakeGrow = true;
foodSpawner.SpecialFoodSpawned = false;
}
else
{
levMan.LoadScene("03_GameOver");
}
}
