/// <summary>
/// Updates line postion, line trail, and line colour.
/// </summary>
/// <param name="e">The e.</param>
public void update(object e)
{
lock (linesLock)
{
//removes all lines after the maximum number of trail lines
for (; lines.Count > Usefull.trailLength;)
{
lines.RemoveAt(0);
}
//Updares the colour of each line. Making them slightly less visable be decresing the Alpha value
foreach (var line in lines)
{
if (line.Color.A - (255 / Usefull.trailLength) >= 0)
{
line.Color = Color.FromArgb(line.Color.A - (255 / Usefull.trailLength), line.Color);
}
}
//Move point one and keep it in the control(Panle)
pointVelocity1.move();
pointVelocity1.direction = Usefull.keepPointInControl(pointVelocity1.position, pointVelocity1.direction, Usefull.drawPanel);
//Move point two and keep it in the control(Panle)
pointVelocity2.move();
pointVelocity2.direction = Usefull.keepPointInControl(pointVelocity2.position, pointVelocity2.direction, Usefull.drawPanel);
//Add new line(The front line in the Trail) to the list
lines.Add(new Line(pointVelocity1.position, pointVelocity2.position, Color));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MystLine" /> class.
/// </summary>
/// <param name="pane">The pane.</param>
/// <param name="start">The postion each point will start at.</param>
public MystLine(SETPaint.Pane pane, Point start)
{
//Set poistion and speed for point one
pointVelocity1 = new PointVelocity(start, Usefull.randomVelocity(new PointF()));
pointVelocity1.direction.X *= Usefull.plusMinusOne();
pointVelocity1.direction.Y *= Usefull.plusMinusOne();
//Set poistion and speed for point two
pointVelocity2 = new PointVelocity(start, Usefull.randomVelocity(new PointF()));
pointVelocity2.direction.X *= Usefull.plusMinusOne();
pointVelocity2.direction.Y *= Usefull.plusMinusOne();
//Create random colour MIGHT BE BLACK
Color = Color.FromArgb(255, rnd.Next(255), rnd.Next(255), rnd.Next(255));
}
