public void FixedUpdate()
{
if (!switching)
{
return;
}
var percent = (Time.time - switchStartTime) / switchSpeed;
if (switchSpeed == 0 || percent >= 1)
{
if (endSwitching)
{
track.ConnectTo(positions[desiredPosition]);
}
else
{
track.SnapTogether(positions[desiredPosition], true, false);
}
switching = false;
}
else
{
if (endSwitching)
{
track.TrackAbsoluteEnd = SimpleTransform.Lerp(
lastPosition,
positions[desiredPosition].TrackAbsoluteStart,
percent
);
}
else
{
track.TrackAbsoluteStart = SimpleTransform.Lerp(
lastPosition,
positions[desiredPosition].TrackAbsoluteEnd,
percent
);
}
}
}
/** Finds the nearest track in the given direction, then snaps to it as requested. */
public void FindAndSnap(Track track, bool snapMe, bool snapEnd)
{
Track other = null;
SimpleTransform myEdge;
if (snapEnd)
{
other = track.NextTrack;
myEdge = track.TrackAbsoluteEnd;
}
else
{
other = track.PrevTrack;
myEdge = track.TrackAbsoluteStart;
}
if (!other)
{
//let's go looking for things since we're not currently linked
float nearestPos = float.PositiveInfinity;
foreach (Track sceneTrack in Object.FindObjectsOfType(typeof(Track)))
{
//skip ourself
if (sceneTrack == track)
{
continue;
}
if (!sceneTrack.enabled)
{
continue;
}
//if they are connected to us unidirectionally, prefer completing that link instead of picking a new track
if ((snapEnd && sceneTrack.PrevTrack == track) || (!snapEnd && sceneTrack.NextTrack == track))
{
other = sceneTrack;
break;
}
//skip items that are already linked to something on the end we would connect to
if ((snapEnd && sceneTrack.PrevTrack) || (!snapEnd && sceneTrack.NextTrack))
{
continue;
}
SimpleTransform stp;
if (snapEnd)
{
stp = sceneTrack.TrackAbsoluteStart;
}
else
{
stp = sceneTrack.TrackAbsoluteEnd;
}
if (Vector3.Distance(myEdge.position, stp.position) < nearestPos)
{
other = sceneTrack;
nearestPos = Vector3.Distance(myEdge.position, stp.position);
}
}
}
if (!other)
{
Debug.Log("Unable to find another track to snap to.");
return;
}
//mark down undo for both itemst
var objects = GetObjectsInvolvedWithTrack(track).Union(GetObjectsInvolvedWithTrack(other)).ToArray();
Undo.RecordObjects(objects, "Snap Track");
track.SnapTogether(other, snapMe, snapEnd);
}