private void DrawLine()
{
this._state = RenderState.RenderInProgress;
i++;
if (i > iMax)
{
ResetVars();
}
this.t = this.i.ToRadians();
this.ot = (this.i - 1).ToRadians();
x1 = xCenter + ((ra - rb) * System.Math.Cos(t) + ch * System.Math.Cos(((ra - rb) / rb) * t));
y1 = yCenter + ((ra - rb) * System.Math.Sin(t) + ch * System.Math.Sin(((ra - rb) / rb) * t));
x2 = xCenter + ((ra - (rb * P2Offset)) * System.Math.Cos(t) + (ch * P2Offset) * System.Math.Cos(((ra - (rb * P2Offset)) / (rb * P2Offset)) * ot));
y2 = yCenter + ((ra - (rb * P2Offset)) * System.Math.Sin(t) + (ch * P2Offset) * System.Math.Sin(((ra - (rb * P2Offset)) / (rb * P2Offset)) * ot));
P1.X = (float)x1; P1.Y = (float)y1;
P2.X = (float)x2; P2.Y = (float)y2;
if (i == 1)
{
fx1 = x1; fy1 = y1;
fx2 = x2; fy2 = y2;
}
else if (i > 3)
{
try
{
using (SolidBrush brush = new SolidBrush(clr1.Color))
using (Pen linePen = new Pen(brush))
this._gfx.DrawLine(linePen, P1, lP1);
using (SolidBrush brush = new SolidBrush(clr2.Color))
using (Pen linePen = new Pen(brush))
this._gfx.DrawLine(linePen, P2, lP2);
if (x1 == fx1 || y1 == fy1 || x2 == fx2 || y2 == fy2)
{
// If we manage to actually reach the exact spot where we started,
// then wait five seconds and start a new shape.
Thread.CurrentThread.Join(5000);
ResetVars();
}
}
catch
#if DEBUG
(Exception ex)
#endif
{
#if DEBUG
System.Diagnostics.Debug.Write("Fatal error: " + ex.ToString());
#endif
throw;
}
}
lP1.X = P1.X; lP1.Y = P1.Y;
lP2.X = P2.X; lP2.Y = P2.Y;
if (i == 400)
{
SaveVars();
}
clr1.CycleColor();
clr2.CycleColor();
}