public static System.Drawing.Image Icon(Element e)
{
if (e is Pump) return PumpIcon;
else if (e is Sink) return SinkIcon;
else if (e is Merger) return MergerIcon;
else if (e is Splitter) return SplitterIcon;
else if (e is AdjustableSplitter) return AdjSplitterIcon;
throw new ArgumentException("Element not implemented, " + e.GetType().Name);
}
//, Element element, Point end)
public Collision(Point intersection, Element element, Point from, Point to)
{
bool left = from.X < element.Center.X;
bool up = from.Y < element.Center.Y;
bool targetLeft = to.X < element.Center.X;
bool targetUp = to.Y < element.Center.Y;
this.SenderIsOnLeft = left;
this.SenderIsUp = up;
this.TargetIsUp = targetUp;
this.TargetIsOnLeft = targetLeft;
this.Element = element;
this.Intersection = intersection;
Point closerMargin = new Point();
if (left)
if (up)
{
closerMargin = element.D;
LeftCloserMargin = element.A;
RightCloserMargin = element.C;
InverseCloserMargin = element.B;
}
else
{
closerMargin = element.A;
this.LeftCloserMargin = element.D;
this.RightCloserMargin = element.B;
this.InverseCloserMargin = element.C;
}
else
if (up)
{
closerMargin = element.C;
this.LeftCloserMargin = element.D;
this.RightCloserMargin = element.B;
this.InverseCloserMargin = element.A;
}
else
{
closerMargin = element.B;
this.LeftCloserMargin = element.A;
this.RightCloserMargin = element.D;
this.InverseCloserMargin = element.C;
}
this.CloserMargin = closerMargin;
//this.CloserMargin = Offset(CloserMargin, element, targetLeft, targetUp);
//this.LeftCloserMargin = Offset(LeftCloserMargin, element, targetLeft, targetUp);
//this.RightCloserMargin = Offset(RightCloserMargin, element, targetLeft, targetUp);
//this.InverseCloserMargin = Offset(InverseCloserMargin, element, targetLeft, targetUp);
}
public Collision(Element element, Point from, Point to)
{
bool left = from.X < element.Center.X;
bool up = from.Y < element.Center.Y;
bool targetLeft = to.X < element.Center.X;
bool targetUp = to.Y < element.Center.Y;
this.SenderIsOnLeft = left;
this.SenderIsUp = up;
this.TargetIsUp = targetUp;
this.TargetIsOnLeft = targetLeft;
this.Element = element;
}
public ConnectionZone(Point margin, Element parent)
{
this.Margin = margin;
this.Parent = parent;
}
public ConnectionZone(Point margin, Element parent, bool isInflow)
{
this.Parent = parent;
this.Margin = margin;
this.isInFlow = isInflow;
}
public ConnectionZone(int x, int y, Element parent, bool isInFlow) : this(new Point(x, y), parent, isInFlow) { }
private Point Offset(Point closerMargin, Element element, bool targetLeft, bool targetUp)
{
int xD = targetLeft ? -1 : 1;
int yD = targetUp ? -1 : 1;
if (xD < 0) xD = -1;
else xD = 1;
if (yD < 0) yD = -1;
else yD = 1;
xD *= 5;
yD *= 5;
closerMargin.X += xD;
closerMargin.Y += yD;
return closerMargin;
}
static bool Intersects(Point p1, Point p2, Element r)
{
return LineIntersectsLine(p1, p2, new Point(r.X, r.Y), new Point(r.X + r.Width, r.Y)) ||
LineIntersectsLine(p1, p2, new Point(r.X + r.Width, r.Y), new Point(r.X + r.Width, r.Y + r.Height)) ||
LineIntersectsLine(p1, p2, new Point(r.X + r.Width, r.Y + r.Height), new Point(r.X, r.Y + r.Height)) ||
LineIntersectsLine(p1, p2, new Point(r.X, r.Y + r.Height), new Point(r.X, r.Y)) ||
(r.Contains(p1) && r.Contains(p2));
}
