// Update is called once per frame
void Update()
{
if (Manager.Instance.gameOver)
{
return;
}
time += Time.unscaledDeltaTime;
if (time >= 0.1f)
{
time = 0f;
for (int i = currentPos.Count - 1; i > 0; i--)
{
currentPos[i] = currentPos[i - 1];
}
currentPos[0] += moveStep;
transform.position = currentPos[0];
for (int i = 0; i < currentPos.Count - 1; i++)
{
snakeBody.transform.GetChild(i).position = currentPos[i + 1];
if (currentPos[0] == currentPos[i + 1])
{
Manager.Instance.gameOver = true;
}
}
if (currentPos[0].x >= levelBounds.extents.x || currentPos[0].x <= -levelBounds.extents.x ||
currentPos[0].z >= levelBounds.extents.z || currentPos[0].z <= -levelBounds.extents.z)
{
Manager.Instance.gameOver = true;
}
if (currentPos[0] == foodSpawner.GetCurrentFoodItem().transform.position)
{
// Increase score
Manager.Instance.UpdateScore(foodSpawner.GetCurrentFoodScriptableObject());
// Delete Food
foodSpawner.DestroyAndSpawn();
GameObject newChild = Instantiate(sectionPrefab, snakeBody.transform);
newChild.transform.position = currentPos[currentPos.Count - 1];
currentPos.Add(newChild.transform.position);
}
actionPending = false;
}
if (!actionPending && moveStep != Vector3.back && Input.GetKeyDown(KeyCode.W))
{
moveStep = Vector3.forward;
actionPending = true;
transform.localRotation = Quaternion.Euler(0, 90, 0);
}
if (!actionPending && moveStep != Vector3.right && Input.GetKeyDown(KeyCode.A))
{
moveStep = Vector3.left;
actionPending = true;
transform.localRotation = Quaternion.Euler(0, 0, 0);
}
if (!actionPending && moveStep != Vector3.forward && Input.GetKeyDown(KeyCode.S))
{
moveStep = Vector3.back;
actionPending = true;
transform.localRotation = Quaternion.Euler(0, -90, 0);
}
if (!actionPending && moveStep != Vector3.left && Input.GetKeyDown(KeyCode.D))
{
moveStep = Vector3.right;
actionPending = true;
transform.localRotation = Quaternion.Euler(0, 180, 0);
}
}