public StarPoint(Rectangle drawLimits, StarPointCollection owner)
{
this._drawBounds = drawLimits;
int xCen = _drawBounds.Width / 2, yCen = _drawBounds.Height / 2;
Random rnd;
if (owner != null)
{
this._owner = owner;
rnd = _owner.Rnd;
}
else
{
rnd = new Random();
}
while (_xPos == 0 || _xPos == xCen || (_xPos > xCen - 5 && _xPos < xCen + 5))
{
this._xPos = rnd.Next(drawLimits.Width);
}
while (_yPos == 0 || _yPos == yCen || (_yPos > yCen - 5 && _yPos < yCen + 5))
{
this._yPos = rnd.Next(drawLimits.Height);
}
this._xSpd = (_xPos - xCen) / 2;
this._ySpd = (_yPos - yCen) / 2;
this._steps = 0;
}
//***************************************************************************
// Private Methods
//
private void InitStarfield()
{
if (this._starCol == null)
{
this._starCol = new StarPointCollection();
}
_starCol.Clear();
for (int i = 0; i < _starCount; i++)
{
_starCol.Add(new StarPoint(this.ClientRectangle, _starCol));
}
}
public StarPoint(Rectangle drawLimits, StarPointCollection owner)
{
this._drawBounds = drawLimits;
int xCen = _drawBounds.Width / 2, yCen = _drawBounds.Height / 2;
Random rnd;
if (owner != null)
{
this._owner = owner;
rnd = _owner.Rnd;
}
else
rnd = new Random();
while (_xPos == 0 || _xPos == xCen || (_xPos > xCen - 5 && _xPos < xCen + 5))
this._xPos = rnd.Next(drawLimits.Width);
while (_yPos == 0 || _yPos == yCen || (_yPos > yCen - 5 && _yPos < yCen + 5))
this._yPos = rnd.Next(drawLimits.Height);
this._xSpd = (_xPos - xCen) / 2;
this._ySpd = (_yPos - yCen) / 2;
this._steps = 0;
}
//***************************************************************************
// Private Methods
//
private void InitStarfield()
{
if (this._starCol == null)
this._starCol = new StarPointCollection();
_starCol.Clear();
for (int i = 0; i < _starCount; i++)
_starCol.Add(new StarPoint(this.ClientRectangle, _starCol));
}