when sampling target position, do multi-sampling with distance levels

Assets/Prefabs/Ped.prefab

@@ -561,6 +561,10 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   warpSampleDistance: 4.5
+  destinationSampleDistances:
+  - 3
+  - 8
+  - 100
 --- !u!1 &1531309216951106
 GameObject:
   m_ObjectHideFlags: 0

Assets/Scripts/Utilities/MovementAgent.cs

@@ -19,6 +19,8 @@ namespace SanAndreasUnity.Utilities
 
         public float warpSampleDistance = 4.5f;
 
+        public float[] destinationSampleDistances = new float[] { 3f, 8f, 100f };
+
         public Vector3 DesiredDirection
         {
             get
@@ -293,7 +295,7 @@ namespace SanAndreasUnity.Utilities
             // TODO: performance optimization: this can be done "asyncly": register pathfinding request, and process
             // requests from all agents in Update() function of some Manager script, with some time limit (eg. 1 ms)
 
-            if (NavMesh.SamplePosition(this.Destination.Value, out var hit, 100f, navMeshAgent.areaMask))
+            if (this.SamplePosition(this.Destination.Value, this.destinationSampleDistances, out var hit))
             {
                 // TODO: re-use NavMeshPath object
                 var navMeshPath = new NavMeshPath();
@@ -320,6 +322,20 @@ namespace SanAndreasUnity.Utilities
                 this.NavMeshAgent.ResetPath();
         }
 
+        private bool SamplePosition(Vector3 pos, float[] sampleDistances, out NavMeshHit hit)
+        {
+            int areaMask = this.NavMeshAgent.areaMask;
+
+            for (int i = 0; i < sampleDistances.Length; i++)
+            {
+                if (NavMesh.SamplePosition(pos, out hit, sampleDistances[i], areaMask))
+                    return true;
+            }
+
+            hit = default;
+            return false;
+        }
+
         private void OnDrawGizmosSelected()
         {
             if (null == this.NavMeshAgent)