/// <summary>
/// Create a new road name label when a <see cref="Google.Maps.Feature.Segment"/> GameObject is
/// created while loading the map.
/// </summary>
void OnSegmentCreated(DidCreateSegmentArgs args)
{
if (Random.value > Ratio)
{
return;
}
if (!Labeller.enabled)
{
return;
}
Label label = Labeller.NameObject(
args.GameObject, args.MapFeature.Metadata.PlaceId, args.MapFeature.Metadata.Name);
if (label != null)
{
// Get transformer component for re-positioning the label after road segment updates.
RoadLabelMover roadLabelMover = label.GetComponent <RoadLabelMover>();
if (roadLabelMover == null)
{
roadLabelMover = label.gameObject.AddComponent <RoadLabelMover>();
}
// Add road chunk to transformer.
roadLabelMover.Add(args.GameObject, args.MapFeature.Shape.Lines[0]);
}
}
/// <summary>
/// Triggered by the Maps SDK during the loading process.
/// Re-parents the newly created GameObject if a container was provided for this map feature
/// category.
/// </summary>
void OnSegmentCreated(DidCreateSegmentArgs args)
{
if (SegmentsContainer != null)
{
// Note: Care should be taken when reparenting SDK created object.
// See note above in ClearContainer()
args.GameObject.transform.SetParent(SegmentsContainer.transform, true);
}
}
/// <summary>
/// Updates the number of vehicles to spawn when a segment is created.
/// </summary>
private void OnSegmentCreated(DidCreateSegmentArgs args)
{
float segmentLength = 0;
// Calculate the length of the segment.
Vector2[] polyline = args.MapFeature.Shape.Lines[0].Vertices;
for (int i = 1; i < polyline.Length; i++)
{
segmentLength += (polyline[i] - polyline[i - 1]).magnitude;
}
// The number of vehicles to spawn at random locations is equal to the segment length divided
// by `SegmentLengthToVehicles`.
VehiclesToSpawn += Mathf.RoundToInt(segmentLength / SegmentLengthToVehicles);
}
/// <summary>
/// Handle <see cref="SegmentEvents.DidCreate"/> event to edit created segments game objects
/// </summary>
public void OnDidCreateSegmentCallback(DidCreateSegmentArgs arguments)
{
// Obtain parameters necessary for the position set
var gameObjectPosition = arguments.GameObject.transform.position;
// Move up the road to avoid z-clipping with regions
arguments.GameObject.transform.position = gameObjectPosition + Vector3.up * 0.3f;
arguments.GameObject.transform.GetChild(0).localPosition = Vector3.down * 0.1f;
// Construct exact road label position in 3D space
var roadLabelPosition = new Vector3(gameObjectPosition.x, 0, gameObjectPosition.z);
// Generate road label
var roadLabel = _roadLabeller.Create(roadLabelPosition, arguments.MapFeature.Metadata.Name);
if (roadLabel == null)
{
return;
}
// Set its road lint to position the label
roadLabel.SetLine(arguments.GameObject.transform.position, arguments.MapFeature.Shape.Lines[0]);
}
void OnSegmentCreated(DidCreateSegmentArgs args)
{
Segments.Add(args.GameObject);
}