private void RemoveSnakeSegment(Point point)
{
var rectangle = rectangles[point];
canvas.Children.Remove(rectangle);
rectangles.Remove(point);
}
private static Point[] GetEyesPoints(Point point, SnakeDirection direction)
{
Point TopLeft() => new Point(point.X + 1, point.Y + 1);
Point TopRight() => new Point(point.X + 7, point.Y + 1);
Point BottomLeft() => new Point(point.X + 1, point.Y + 7);
Point BottomRight() => new Point(point.X + 7, point.Y + 7);
if (direction == SnakeDirection.Up)
{
return new[] { TopLeft(), TopRight() }
}
;
if (direction == SnakeDirection.Down)
{
return new[] { BottomLeft(), BottomRight() }
}
;
if (direction == SnakeDirection.Left)
{
return new[] { TopLeft(), BottomLeft() }
}
;
return(new[] { TopRight(), BottomRight() });
}
}
}
private void UpdateEyes(Point point, SnakeDirection direction)
{
var eye1 = new Ellipse
{
Width = 2,
Height = 2,
Fill = new SolidColorBrush(Colors.Black)
};
var eye2 = new Ellipse
{
Width = 2,
Height = 2,
Fill = new SolidColorBrush(Colors.Black)
};
var points = GetEyesPoints(point, direction);
var point1 = points[0];
var point2 = points[1];
Canvas.SetTop(eye1, point1.Y);
Canvas.SetLeft(eye1, point1.X);
Canvas.SetZIndex(eye1, 1);
Canvas.SetTop(eye2, point2.Y);
Canvas.SetLeft(eye2, point2.X);
Canvas.SetZIndex(eye2, 1);
eyes[0] = eye1;
eyes[1] = eye2;
}
private Rectangle CreateRectangle(Point point, double size)
{
var rectangle = new Rectangle
{
Width = size,
Height = size,
Fill = new SolidColorBrush(color),
Stroke = new SolidColorBrush(Colors.Black),
StrokeThickness = 0.2,
RadiusX = size / 3,
RadiusY = size / 3,
Opacity = 0.75
};
Canvas.SetTop(rectangle, point.Y * size);
Canvas.SetLeft(rectangle, point.X * size);
return(rectangle);
}
private void AddSnakeSegment(Point point, Rectangle rectangle)
{
canvas.Children.Add(rectangle);
rectangles[point] = rectangle;
}
