public static List <Vector3> GetPointsOnNodes(List <GraphNode> nodes, int count, float clearanceRadius = 0f)
{
if (nodes == null)
{
throw new ArgumentNullException("nodes");
}
if (nodes.Count == 0)
{
throw new ArgumentException("no nodes passed");
}
List <Vector3> list = ListPool <Vector3> .Claim(count);
clearanceRadius *= clearanceRadius;
if (clearanceRadius > 0f || nodes[0] is TriangleMeshNode || nodes[0] is GridNode)
{
List <float> list2 = ListPool <float> .Claim(nodes.Count);
float num = 0f;
for (int i = 0; i < nodes.Count; i++)
{
float num2 = nodes[i].SurfaceArea();
num2 += 0.001f;
num += num2;
list2.Add(num);
}
for (int j = 0; j < count; j++)
{
int num3 = 0;
int num4 = 10;
bool flag = false;
while (!flag)
{
flag = true;
if (num3 >= num4)
{
clearanceRadius *= 0.809999943f;
num4 += 10;
if (num4 > 100)
{
clearanceRadius = 0f;
}
}
float item = UnityEngine.Random.value * num;
int num5 = list2.BinarySearch(item);
if (num5 < 0)
{
num5 = ~num5;
}
if (num5 >= nodes.Count)
{
flag = false;
}
else
{
GraphNode graphNode = nodes[num5];
Vector3 vector = graphNode.RandomPointOnSurface();
if (clearanceRadius > 0f)
{
for (int k = 0; k < list.Count; k++)
{
if ((list[k] - vector).sqrMagnitude < clearanceRadius)
{
flag = false;
break;
}
}
}
if (flag)
{
list.Add(vector);
break;
}
num3++;
}
}
}
ListPool <float> .Release(list2);
}
else
{
for (int l = 0; l < count; l++)
{
list.Add(nodes[UnityEngine.Random.Range(0, nodes.Count)].RandomPointOnSurface());
}
}
return(list);
}