public SnakeGame()
{
grid = new SnakeGrid();
snake = new Snake(1, 3, 1);
snack = new SnakeSnack(3, 4);
snack.reposition(grid);
}
public void Render(SnakeGrid grid)
{
ChromaColor[] colors = { ChromaColor.White };
int i = 0;
foreach (var pos in tail)
{
ChromaColor color = colors[i++ % colors.Length];
if (i == tail.Count)
{
color = ChromaColor.Yellow;
}
if (IsDead)
{
var coordHead = tail.Last();
grid.SetDataPixel(coordHead.x, coordHead.y, GridDataType.SNAKE, ChromaColor.Red);
color = ChromaColor.Black;
if (i >= deadAnimationIdx)
{
deadAnimationIdx++;
grid.SetDataPixel(pos.x, pos.y, GridDataType.SNAKE, color);
return;
}
}
grid.SetDataPixel(pos.x, pos.y, GridDataType.SNAKE, color);
}
if (IsDead)
{
IsDeadRendered = true;
}
}
public void reposition(SnakeGrid grid)
{
position = grid.FindRandomEmptyCoord();
update(grid);
}
public void update(SnakeGrid grid)
{
ChromaColor[] colors = { ChromaColor.Red, ChromaColor.Green, ChromaColor.Blue };
color = colors[color_i++ % colors.Length];
grid.SetDataPixel(position.x, position.y, GridDataType.FOOD, color);
}
public void update(SnakeGrid grid, ref bool foodEaten)
{
if (IsDead)
{
return;
}
if (proposedDirection != SnakeDirection.NONE)
{
direction = proposedDirection;
proposedDirection = SnakeDirection.NONE;
}
switch (direction)
{
case SnakeDirection.UP:
positon.y--;
if (positon.y < 1)
{
positon.y = SnakeGrid.Height - 2;
}
break;
case SnakeDirection.LEFT:
positon.x--;
if (positon.x < 1)
{
positon.x = SnakeGrid.Width - 2;
}
break;
case SnakeDirection.RIGHT:
positon.x++;
if (positon.x >= SnakeGrid.Width - 1)
{
positon.x = 1;
}
break;
case SnakeDirection.DOWN:
positon.y++;
if (positon.y >= SnakeGrid.Height - 1)
{
positon.y = 1;
}
break;
}
if (grid.GetGridDataAt(positon.x, positon.y) == GridDataType.FOOD)
{
++length;
foodEaten = true;
}
tail.Enqueue(positon.Clone());
while (tail.Count > length)
{
Coord removedTail = tail.Dequeue();
grid.SetDataPixel(removedTail.x, removedTail.y, GridDataType.EMPTY);
}
if (grid.GetGridDataAt(positon.x, positon.y) == GridDataType.SNAKE)
{
IsDead = true;
}
}