void AddCircleCollider2Ds(Transform parent)
{
// find all valid colliders, add them to projection
var colliders = FindObjectsOfType <CircleCollider2D>();
var filtered = colliders.Where(co => IsValidCollider(co)).ToList();
foreach (var collider in filtered)
{
// note: creating a primitive is necessary in order for it to bake properly
var go = GameObject.CreatePrimitive(PrimitiveType.Cylinder);
go.isStatic = true;
go.transform.parent = parent;
// position via offset and transformpoint
var localPos = new Vector3(collider.offset.x, collider.offset.y, 0);
var worldPos = collider.transform.TransformPoint(localPos);
// position in 3D with Y aligned so feet are at y=0
go.transform.position = new Vector3(worldPos.x, NavMesh2D.ProjectedObjectY, worldPos.y);
// scale depending on scale * collider size (circle=radius/box=size/...)
go.transform.localScale = NavMeshUtils2D.ScaleFromCircleCollider2D(collider);
// rotation
go.transform.rotation = Quaternion.Euler(NavMeshUtils2D.RotationTo3D(collider.transform.eulerAngles));
MakeUnwalkable(go);
}
}