/// <summary>
/// draw current dots from point a to b
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <param name="pos"></param>
protected void drawDots(Point a, Point b, double pos)
{
if ((!CirSim.Sim.IsRunning) || pos == 0 || !ControlPanel.ChkShowDots.Checked)
{
return;
}
var dx = b.X - a.X;
var dy = b.Y - a.Y;
var dr = Math.Sqrt(dx * dx + dy * dy);
int ds = CirSim.GRID_SIZE;
pos %= ds;
if (pos < 0)
{
pos += ds;
}
if (ControlPanel.ChkPrintable.Checked)
{
Context.LineColor = CustomGraphics.GrayColor;
}
else
{
Context.LineColor = Color.Yellow;
}
for (var di = pos; di < dr; di += ds)
{
var x0 = (int)(a.X + di * dx / dr);
var y0 = (int)(a.Y + di * dy / dr);
Context.FillCircle(x0, y0, 1.5f);
}
}
public override void Draw(CustomGraphics g)
{
if (NeedsHighlight || this == CirSim.Sim.DragElm)
{
base.Draw(g);
return;
}
drawLead(mPoint1, mLedLead1);
drawLead(mLedLead2, mPoint2);
g.LineColor = CustomGraphics.GrayColor;
g.DrawCircle(mLedCenter, CR);
double w = mCurrent / mMaxBrightnessCurrent;
if (0 < w)
{
w = 255 * (1 + .2 * Math.Log(w));
}
if (255 < w)
{
w = 255;
}
if (w < 0)
{
w = 0;
}
g.LineColor = Color.FromArgb((int)(mColorR * w), (int)(mColorG * w), (int)(mColorB * w));
g.FillCircle(mLedCenter.X, mLedCenter.Y, CR_INNER);
setBbox(mPoint1, mPoint2, CR_INNER);
updateDotCount();
drawDots(mPoint1, mLedLead1, mCurCount);
drawDots(mPoint2, mLedLead2, -mCurCount);
drawPosts();
}