void moveRockTo(Rock r, int x, int y)
{
r.originX = x;
r.originY = y;
var shape = curRock.shape;
for (int i = 0; i != curRock.icons.Length; ++i)
{
curRock.icons[i].transform.position = field.calcPos(x + shape[i, 0], y + shape[i, 1]);
}
}
void initGame()
{
field = new GridField(field_row, field_column, field_size, this.transform);
field.clear((int)FieldType.Empty);
if (null != snake.icons)
{
foreach (var icon in snake.icons)
{
if (icon)
{
Destroy(icon);
}
}
}
snake.head = snake.tail = 0;
int oriX = field_column / 2;
int oriY = field_row / 2;
int maxlen = field_column * field_row;
snake.icons = new GameObject[maxlen];
snake.icons[snake.head] = Instantiate(block_prefab, field.calcPos(oriX, oriY), Quaternion.identity, this.transform);
snake.icons[snake.head].GetComponent <SpriteRenderer>().color = head_color;
snake.posX = new int[maxlen];
snake.posY = new int[maxlen];
snake.posX[snake.head] = oriX;
snake.posY[snake.head] = oriY;
snake.ori = SnakeStruct.Orientaion.Down;
field[oriX, oriY] = (int)FieldType.Snake;
food.x = 2;
food.y = 2;
if (null == food.icon)
{
food.icon = Instantiate(block_prefab, field.calcPos(food.x, food.y), Quaternion.identity, this.transform);
food.icon.GetComponent <SpriteRenderer>().color = Color.red;
}
else
{
food.icon.transform.position = field.calcPos(food.x, food.y);
}
field[food.x, food.y] = (int)FieldType.Food;
Random.InitState((int)(Time.time * 1000.0f));
}
GameState ClimbSnake()
{
timeline += Time.deltaTime;
if (timeline > time_interval)
{
timeline -= time_interval;
int nx = 0, ny = 0;
switch (snake.ori)
{
case SnakeStruct.Orientaion.Up: ny = 1; break;
case SnakeStruct.Orientaion.Down: ny = -1; break;
case SnakeStruct.Orientaion.Left: nx = -1; break;
case SnakeStruct.Orientaion.Right: nx = 1; break;
}
nx += snake.posX[snake.head];
ny += snake.posY[snake.head];
int?v = field.checkValid(nx, ny);
//Debug.LogFormat("npos = {{{0}, {1}}}", nx, ny);
if ((int)FieldType.Snake == v || null == v)
{
return(GameState.Fail);
}
else if ((int)FieldType.Empty == v)
{
int ot = snake.tail;
int nh = (snake.head + 1) % snake.icons.Length;
snake.icons[snake.head].GetComponent <SpriteRenderer>().color = Color.white;
snake.icons[nh] = snake.icons[ot];
snake.icons[ot] = null;
snake.icons[nh].transform.position = field.calcPos(nx, ny);
snake.icons[nh].GetComponent <SpriteRenderer>().color = head_color;
snake.head = nh;
snake.tail = (snake.tail + 1) % snake.icons.Length;
snake.posX[nh] = nx;
snake.posY[nh] = ny;
field.moveGrid(snake.posX[ot], snake.posY[ot], nx, ny, (int)FieldType.Empty);
}
else if ((int)FieldType.Food == v)
{
int maxlen = snake.icons.Length;
int nh = (snake.head + 1) % maxlen;
snake.icons[snake.head].GetComponent <SpriteRenderer>().color = Color.white;
snake.icons[nh] = Instantiate(block_prefab, field.calcPos(nx, ny), Quaternion.identity, this.transform);
snake.icons[nh].GetComponent <SpriteRenderer>().color = head_color;
snake.posX[nh] = nx;
snake.posY[nh] = ny;
snake.head = nh;
field[nx, ny] = (int)FieldType.Snake;
if (snake.tail == (nh + 1) % maxlen)
{
return(GameState.Win);
}
int snakelen = (nh + maxlen - snake.tail + 1) % maxlen;
int availspace = snake.icons.Length - snakelen;
moveFood(availspace);
}
}
return(GameState.Loop);
}