private void PlaceNewObject(GridCube.CubeState state)
{
bool done = false;
while (!done)
{
GridCube cube = cubes.ElementAt(Random.Range(0, cubes.Count));
if (!cube.isEmpty() || (cube.SameSideAs(SnakeHead()) && rotationEnabled))
{
continue;
}
cube.SetCubeState(state);
done = true;
}
}
public MoveResult MoveHead(GridCube.Direction direction)
{
if (isRotating)
{
return(MoveResult.ROTATING);
}
GridCube next = SnakeHead().GetNextCube(direction, out var changedSide);
if (next == null)
{
next = FindSnakeBound(SnakeHead());
changedSide = false;
if (next == null)
{
return(MoveResult.ERROR);
}
}
if (next.IsSnake() || next.IsHole())
{
return(MoveResult.DIED);
}
if (changedSide)
{
bool ok = StartRotation(direction);
return(ok ? MoveResult.ROTATING : MoveResult.ERROR);
}
bool ateApple = next.IsApple();
next.SetCubeState(GridCube.CubeState.SNAKE);
snake.AddFirst(next);
GridCube last = snake.Last.Value;
if (!ateApple)
{
last.SetCubeState(GridCube.CubeState.EMPTY);
snake.RemoveLast();
return(MoveResult.MOVED);
}
return(MoveResult.ATE);
}
public void SetupGrid(bool enableRotation, int appleCount)
{
if (cubes != null)
{
foreach (GridCube c in cubes)
{
Destroy(c.gameObject);
}
}
snake = new LinkedList <GridCube>();
cubes = new List <GridCube>();
isRotating = false;
rotationEnabled = enableRotation;
if (gridSize % 2 == 0)
{
gridSize++;
}
gridSize = Mathf.Max(gridSize, 5);
float finalGridSize = GetGridSizeWorld();
float halfGridSize = finalGridSize / 2;
int zDepth = rotationEnabled ? gridSize : 1;
for (int i = 0; i < gridSize; i++)
{
for (int j = 0; j < gridSize; j++)
{
for (int k = 0; k < zDepth; k++)
{
// Dont add cubes at center of 3d grid
if ((k != 0 && k != gridSize - 1) && (j != 0 && j != gridSize - 1) && (i != 0 && i != gridSize - 1))
{
continue;
}
GameObject cubeGameObject = Instantiate(gridCubeClone);
cubeGameObject.transform.SetParent(transform);
Vector3 size = cubeGameObject.transform.localScale;
float offset = halfGridSize - size.x / 2;
cubeGameObject.transform.Translate(i * size.x - offset, j * size.x - offset, k * size.x - offset);
int centerPos = (int)halfGridSize;
GridCube cube = cubeGameObject.GetComponent <GridCube>();
if (i == centerPos && j == centerPos && k == 0)
{
// Set up starting cell
cube.SetCubeState(GridCube.CubeState.SNAKE);
snake.AddFirst(cube);
}
else
{
cube.SetCubeState(GridCube.CubeState.EMPTY);
}
if (i == 0)
{
cube.AddCubeSide(GridCube.CubeSide.LEFT);
}
else if (i == gridSize - 1)
{
cube.AddCubeSide(GridCube.CubeSide.RIGHT);
}
if (j == 0)
{
cube.AddCubeSide(GridCube.CubeSide.BOTTOM);
}
else if (j == gridSize - 1)
{
cube.AddCubeSide(GridCube.CubeSide.TOP);
}
if (k == 0)
{
cube.AddCubeSide(GridCube.CubeSide.FRONT);
}
else if (k == gridSize - 1)
{
cube.AddCubeSide(GridCube.CubeSide.BACK);
}
cubes.Add(cube);
}
}
}
for (int i = 0; i < appleCount; i++)
{
PlaceNewApple();
}
}
