public static Bitmap Render(List <BehaviorSnapshot> behaviorSnapshots, BehaviorVisualizationRendererSettings settings)
{
if (settings.Width * SCALE < 1 || settings.Height * SCALE < 1)
{
return(null);
}
Bitmap bmp = new Bitmap((int)(settings.Width * SCALE), (int)(settings.Height * SCALE));
using (Graphics g = Graphics.FromImage(bmp))
{
g.Clear(settings.BackgroundColor);
if (settings.BackgroundImage != null)
{
g.DrawImage(settings.BackgroundImage, 0, 0, settings.Width * SCALE, settings.Height * SCALE);
}
for (int i = 1; i < behaviorSnapshots.Count; i++)
{
Draw(g, behaviorSnapshots[i], behaviorSnapshots[i - 1], settings);
}
}
return(bmp);
}
static Point GetPoint(BehaviorSnapshot snapshot, BehaviorVisualizationRendererSettings settings)
{
Vector offset = snapshot.Position - settings.ImageOriginPosition;
Vector pixelPosition = offset * settings.PixelsPerWorldUnit * SCALE;
return(new Point((int)pixelPosition.X, (int)pixelPosition.Y));
}
static float GetWidth(BehaviorSnapshot snapshotA, BehaviorSnapshot snapshotB, BehaviorVisualizationRendererSettings settings)
{
return(settings.PathWidth * SCALE);
}
static void Draw(Graphics g, BehaviorSnapshot snapshotA, BehaviorSnapshot snapshotB, BehaviorVisualizationRendererSettings settings)
{
Point pA = GetPoint(snapshotA, settings);
Point pB = GetPoint(snapshotB, settings);
float width = GetWidth(snapshotA, snapshotB, settings);
switch (settings.PathStyle)
{
case BehaviorVisualizationRendererSettings.PathStyleEnum.Dots:
float halfWidth = width / 2.0f;
using (SolidBrush b = new SolidBrush(settings.PathColor))
{
g.FillEllipse(b, pA.X - halfWidth, pA.Y - halfWidth, width, width);
}
break;
case BehaviorVisualizationRendererSettings.PathStyleEnum.Lines:
using (Pen p = new Pen(settings.PathColor, width))
{
p.EndCap = System.Drawing.Drawing2D.LineCap.Round;
g.DrawLine(p, pA, pB);
}
break;
default:
break;
}
}
