private void canvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
var point = e.GetPosition(canvas);
int diameter = 64;// _Random.Next(Radius_Min, Radius_Max);
var brush = ColorSetBrush[GetRandomBrushIndex(0, ColorSet.Count)];
RectArea rect = new RectArea()
{
CenterX = point.X, CenterY = point.Y, Width = diameter, Height = diameter
};
_BubbleQueue.Add(rect, brush);
Ellipse ellipse = new Ellipse()
{
Fill = brush, Width = diameter, Height = diameter
};
canvas.Children.Add(ellipse);
Canvas.SetLeft(ellipse, point.X - diameter * 0.5d);
Canvas.SetTop(ellipse, point.Y - diameter * 0.5d);
ellipse.Tag = rect;
ellipse.MouseRightButtonDown += ellipse_MouseRightButtonDown;
ellipse.MouseWheel += ellipse_MouseWheel;
ellipse.MouseEnter += ellipse_MouseEnter;
ellipse.MouseLeave += ellipse_MouseLeave;
UpdateBubbleCount();
}
void ellipse_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
Ellipse ellipse = sender as Ellipse;
RectArea rect = (RectArea)ellipse.Tag;
var brush = ColorSetBrush[GetRandomBrushIndex(0, ColorSet.Count)];
ellipse.Fill = brush;
_BubbleQueue[rect] = brush;
}
void ellipse_MouseWheel(object sender, MouseWheelEventArgs e)
{
Ellipse ellipse = sender as Ellipse;
RectArea rect = (RectArea)ellipse.Tag;
int diameter = (int)rect.Width;
Point centerPoint = new Point(rect.CenterX, rect.CenterY);
int newDiameter = diameter + (int)(e.Delta * 0.1d);
if (newDiameter > Radius_Min && newDiameter < Radius_Max)
{
diameter = newDiameter;
}
Canvas.SetLeft(ellipse, centerPoint.X - diameter * 0.5d);
Canvas.SetTop(ellipse, centerPoint.Y - diameter * 0.5d);
ellipse.Width = diameter;
ellipse.Height = diameter;
rect.Width = diameter;
rect.Height = diameter;
}