private void SnapLineEndIfItIsCloseToAnotherLine(SnappableLineViewModel line, Point start, Point end)
{
foreach (var existingLine in _drawableLines)
{
var distance = LineUtilities.GetClosestPointOnLineSegment(end, existingLine.Line);
if (!IsCloseEnoughToSnap(distance))
{
continue;
}
SnapLineEndToPoint(line, start, distance.ClosestPointInLine);
return;
}
line.Move(start, end);
}
private void SnapLineEndToPoint(SnappableLineViewModel line, Point start, Point snapPoint)
{
line.Move(start, snapPoint, false);
}
public void MoveLine(SnappableLineViewModel line, Point start, Point end)
{
SnapLineEndIfItIsCloseToAnotherLine(line, start, end);
}
