private void DrawChemoeffector(Graphics graphics, Rectangle clip, Chemoeffector chemoeffector, Pen pen, Point[] shape, bool showDetectionZone)
{
Rectangle bounds;
bounds = new Rectangle(chemoeffector.Position.X - (chemoeffector.Strength / 2), chemoeffector.Position.Y - (chemoeffector.Strength / 2), chemoeffector.Strength, chemoeffector.Strength);
if (this.ShouldRender(clip, bounds))
{
if (showDetectionZone)
{
if (_outlinesOnly)
{
graphics.DrawEllipse(pen, bounds);
}
else
{
using (GraphicsPath ellipsePath = new GraphicsPath())
{
ellipsePath.AddEllipse(bounds);
using (PathGradientBrush brush = new PathGradientBrush(ellipsePath))
{
brush.CenterPoint = chemoeffector.Position;
brush.CenterColor = Color.FromArgb(128, pen.Color);
brush.SurroundColors = new[] { Color.Transparent };
graphics.FillEllipse(brush, bounds);
}
}
}
}
if (_drawShapes)
{
int x;
int y;
GraphicsState state;
x = chemoeffector.Position.X;
y = chemoeffector.Position.Y;
state = graphics.Save();
graphics.TranslateTransform(x, y);
graphics.RotateTransform(Compass.GetAngle(chemoeffector.Heading));
graphics.DrawPolygon(pen, shape);
graphics.Restore(state);
}
else
{
graphics.DrawLine(pen, new Point(chemoeffector.Position.X - 1, chemoeffector.Position.Y), new Point(chemoeffector.Position.X + 1, chemoeffector.Position.Y));
graphics.DrawLine(pen, new Point(chemoeffector.Position.X, chemoeffector.Position.Y - 1), new Point(chemoeffector.Position.X, chemoeffector.Position.Y + 1));
}
}
}
private void DrawNoxious(Graphics graphics, Rectangle clip, Chemoeffector noxious)
{
this.DrawChemoeffector(graphics, clip, noxious, _repellentPen, _repellentShape, _showNoxiousDetectionZone);
}
private void DrawFood(Graphics graphics, Rectangle clip, Chemoeffector food)
{
this.DrawChemoeffector(graphics, clip, food, _attractorPen, _attractorShape, _showFoodDetectionZone);
}
public static void AreEqual(Chemoeffector expected, Chemoeffector actual)
{
Assert.AreEqual(expected.Heading, actual.Heading, nameof(Chemoeffector.Heading) + " does not match.");
Assert.AreEqual(expected.Position, actual.Position, nameof(Chemoeffector.Position) + " does not match.");
Assert.AreEqual(expected.Strength, actual.Strength, nameof(Chemoeffector.Strength) + " does not match.");
}
