PlaceAlongPath.cs

using UnityEngine;
using UnityEngine.Serialization;
 
namespace ARLocation
{
    using Utils;
 
    [AddComponentMenu("AR+GPS/Place Along Path")]
    [HelpURL("https://http://docs.unity-ar-gps-location.com/guide/#placealongpath")]
    public class PlaceAlongPath : MonoBehaviour
    {
 
        [Header("Path Settings")]
        [FormerlySerializedAs("path")] [Tooltip("The path to place the prefab instances on.")]
        public LocationPath Path;
 
        [FormerlySerializedAs("prefab")] [Tooltip("The prefab/GameObject to be palced along the path.")]
        public GameObject Prefab;
 
        [FormerlySerializedAs("objectCount")] [Tooltip("The number of object instances to be placed, excluding the endpoints. That is, the total number of instances is equal to objectCount + 2")]
        public int ObjectCount = 10;
 
        [FormerlySerializedAs("splineSampleSize")] [Tooltip("The size of the sample used to calculate the spline.")]
        public int SplineSampleSize = 200;
 
        public PlaceAtLocation.PlaceAtOptions PlacementSettings;
 
        public AltitudeMode AltitudeMode  = AltitudeMode.DeviceRelative;
 
        [Space(4.0f)]
 
        [Header("Debug")]
        [Tooltip("When debug mode is enabled, this component will print relevant messages to the console. Filter by 'PlaceAlongPath' in the log output to see the messages.")]
        public bool DebugMode;
 
        [Space(4.0f)]
 
        private  Spline spline;
 
        private Vector3[] points;
 
        private void Start()
        {
            points = new Vector3[Path.Locations.Length];
 
            for (var i = 0; i < points.Length; i++)
            {
                points[i] = Path.Locations[i].ToVector3();
            }
 
            spline = Misc.BuildSpline(Path.SplineType, points, SplineSampleSize, Path.Alpha);
 
            var sample = spline.SamplePoints(ObjectCount);
 
 
            for (var i = 0; i < sample.Length; i++)
            {
                var location = new Location()
                {
                    Latitude = sample[i].z,
                    Longitude = sample[i].x,
                    Altitude = sample[i].y,
                    AltitudeMode = AltitudeMode
                };
                var instance = PlaceAtLocation.CreatePlacedInstance(Prefab, location, PlacementSettings, DebugMode);
 
                instance.name = $"{gameObject.name} - {i}";
            }
        }
    }
}