/// <summary>
/// Snaps the point specified in endpoint of line to another line if within snapradius
/// </summary>
protected void SnapLineEnd(TrackWriter trk, GameLine line, Vector2d endpoint)
{
var ignore = new int[] { line.ID };
GetSnapPoint(
trk,
line.Position,
line.Position2,
endpoint,
ignore,
out var snap,
line is StandardLine);
if (snap == endpoint)
{
return;
}
if (line.Position == endpoint)
{
// don't snap to the same point.
if (line.Position2 != snap)
{
trk.MoveLine(line, snap, line.Position2);
}
}
else if (line.Position2 == endpoint)
{
// don't snap to the same point.
if (line.Position != snap)
{
trk.MoveLine(line, line.Position, snap);
}
}
}
/// <summary>
/// Snaps the point specified in endpoint of line to another line if within snapradius
/// </summary>
protected void SnapLineEnd(TrackWriter trk, GameLine line, Vector2d endpoint)
{
var lines = LineEndsInRadius(trk, endpoint, SnapRadius);
for (int i = 0; i < lines.Length; i++)
{
var curr = lines[i];
if (curr != line)
{
if (line is StandardLine && curr is SceneryLine)
{
continue;//phys lines dont wanna snap to scenery
}
var snap = Utility.CloserPoint(endpoint, curr.Position, curr.Position2);
if (line.Position == endpoint)
{
// don't snap to the same point.
if (line.Position2 != snap)
{
trk.MoveLine(line, snap, line.Position2);
}
}
else if (line.Position2 == endpoint)
{
// don't snap to the same point.
if (line.Position != snap)
{
trk.MoveLine(line, line.Position, snap);
}
}
else
{
throw new Exception("Endpoint does not match line position in snap. It's not one of the ends of the line.");
}
break;
}
}
}
