private void UpdateOverlappedColliders()
{
_overlappedColliders.Clear();
foreach (var pair in _childCollidersToTypeDict)
{
Collider childCollider = pair.Key;
OverlapColliderType colliderType = pair.Value;
Collider[] otherColliders = new Collider[0];
switch (colliderType)
{
case OverlapColliderType.BoxCollider:
otherColliders = ColliderUtility.CheckOverlapBox((BoxCollider)childCollider);
break;
case OverlapColliderType.SphereCollider:
otherColliders = ColliderUtility.CheckOverlapSphere((SphereCollider)childCollider);
break;
default:
break;
}
int n = otherColliders.Length;
for (int i = 0; i < n; i++)
{
Collider otherCollider = otherColliders[i];
_overlappedColliders.Add(otherCollider);
}
}
}
/// <summary>
/// Return a set of overlapping colliders with colliders attached to this
/// game object.
/// </summary>
/// <returns>A set of overlapping colliders.</returns>
public HashSet <Collider> CheckOverlapColliders()
{
_overlappedColliderSet.Clear();
// Check OverlapBox for all box colliders
int n = _selfBoxColliders.Count;
for (int i = 0; i < n; i++)
{
BoxCollider boxCollider = _selfBoxColliders[i];
Collider[] overlappedColliders = ColliderUtility.CheckOverlapBox(
boxCollider);
int overlappedColliderLength = overlappedColliders.Length;
for (int j = 0; j < overlappedColliderLength; j++)
{
Collider overlappedCollider = overlappedColliders[j];
_overlappedColliderSet.Add(overlappedCollider);
}
}
// Check OverlapSphere for all sphere colliders
n = _selfSphereColliders.Count;
for (int i = 0; i < n; i++)
{
SphereCollider sphereCollider = _selfSphereColliders[i];
Collider[] overlappedColliders =
ColliderUtility.CheckOverlapSphere(sphereCollider);
int overlappedColliderLength = overlappedColliders.Length;
for (int j = 0; j < overlappedColliderLength; j++)
{
Collider overlappedCollider = overlappedColliders[j];
_overlappedColliderSet.Add(overlappedCollider);
}
}
return(_overlappedColliderSet);
}