private void DrawTankHealth(object o, PaintEventArgs e)
{
Tank tank = o as Tank;
using (SolidBrush greenBrush = new SolidBrush(Color.SpringGreen))
using (SolidBrush yellowBrush = new SolidBrush(Color.Yellow))
using (SolidBrush redBrush = new SolidBrush(Color.Red)) {
SolidBrush drawBrush = null;
Rectangle healthBounds = new Rectangle(0, 0, 0, 0);
if (tank.IsHighHealth())
{
drawBrush = greenBrush;
healthBounds = new Rectangle(-25, 60, 60, 10);
}
else if (tank.IsMediumHealth())
{
drawBrush = yellowBrush;
healthBounds = new Rectangle(-25, 60, 40, 10);
}
else if (tank.IsLowHealth())
{
drawBrush = redBrush;
healthBounds = new Rectangle(-25, 60, 20, 10);
}
if (drawBrush != null)
{
e.Graphics.FillRectangle(drawBrush, healthBounds);
}
}
}