//The head moves if there is nothing blocking its current direction in the world.
public void Move(int vx, int vy)
{
if (World.grid[posy][posx] != World.HEAD)
{
World.grid[posy][posx] = World.FREE;
}
posy = posy - vy;
posx = posx + vx;
if (isTail)
{
World.grid[posy][posx] = World.TAIL;
}
else
{
World.grid[posy][posx] = World.BODY;
}
transform.position = new Vector3(posx * World.blockSize, -1 * posy * World.blockSize, 0);
if (!isTail)
{
next.Move(this.vx, this.vy);
}
this.vx = vx;
this.vy = vy;
}
//The head moves if there is nothing blocking its current direction in the world.
virtual public void Move()
{
PrintGrid();
if (oneMoveDelayDone)
{
oldVx = vx;
oldVy = vy;
}
if (dir == dirs.LEFT)
{
vx = -1;
vy = 0;
}
else if (dir == dirs.RIGHT)
{
vx = 1;
vy = 0;
}
else if (dir == dirs.UP)
{
vx = 0;
vy = 1;
}
else if (dir == dirs.DOWN)
{
vx = 0;
vy = -1;
}
if (World.grid[posy - vy][posx + vx] <= 2)
{
if (digesting)
{
bodyController oldNext = next;
next = ((GameObject)Instantiate(Resources.Load("prefabs/body"), new Vector3(posx * World.blockSize, -1 * posy * World.blockSize, 0), Quaternion.identity)).GetComponent <bodyController>();
next.setV(oldVx, oldVy);
if (oldNext != null)
{
next.setNext(oldNext);
}
digesting = false;
finishedDigesting = true;
}
if (World.grid[posy - vy][posx + vx] == World.FOOD)
{
Destroy(nextFood);
World.generateFood(this);
digesting = true;
}
if (!finishedDigesting)
{
World.grid[posy][posx] = World.FREE;
}
posy = posy - vy;
posx = posx + vx;
World.grid[posy][posx] = World.HEAD;
transform.position = new Vector3(posx * World.blockSize, -1 * posy * World.blockSize, 0);
if (!finishedDigesting && next != null)
{
next.Move(oldVx, oldVy);
}
oneMoveDelayDone = true;
finishedDigesting = false;
}
else
{
Debug.Log("Game Over!");
World.Reset();
SceneManager.LoadScene("snake");
}
}