public static List <RaycastResultHelper> All(Vector3 origin, Vector3 direction, float distance, LayerMask layerMask, List <Collider> movedColliders)
{
// Check to see if the ray cast hits any of the requested Unity layers
List <RaycastResultHelper> results = null;
if (layerMask != 0)
{
var raycastHits = UnityEngine.Physics.RaycastAll(origin, direction, distance, layerMask);
if (raycastHits != null)
{
results = new List <RaycastResultHelper>(raycastHits.Length);
foreach (var raycastHit in raycastHits)
{
results.Add(new RaycastResultHelper(raycastHit, layerMask));
}
}
}
// If we have colliders that have moved, then remove them from the results list and redo the raycast.
if (movedColliders != null)
{
RaycastHit hitInfo;
Ray ray = new Ray(origin, direction);
foreach (var collider in movedColliders)
{
if ((collider.gameObject.layer & layerMask) != 0)
{
int colliderIndex = results.FindIndex(x => x.Collider == collider);
if (collider.Raycast(ray, out hitInfo, distance))
{
if (colliderIndex >= 0)
{
results[colliderIndex] = new RaycastResultHelper(hitInfo, layerMask);
}
else
{
results.Add(new RaycastResultHelper(hitInfo, layerMask));
}
}
else if (colliderIndex >= 0)
{
results.RemoveAt(colliderIndex);
}
}
}
}
// Unity doesn't return hit results in any particular order, so we need to sort them to closest first.
if (results != null)
{
results.Sort((x, y) => x.Distance < y.Distance ? -1 : 1);
}
return(results);
}
public static bool SphereFirst(Vector3 origin, Vector3 direction, float radius, float distance, LayerMask layerMask, out RaycastResultHelper result)
{
result = default(RaycastResultHelper);
RaycastHit hit;
bool hitSomething = false;
// Check to see if the ray cast hits any of the requested Unity layers
if (layerMask != 0 &&
UnityEngine.Physics.SphereCast(origin, radius, direction, out hit, distance, layerMask))
{
result = new RaycastResultHelper(hit, layerMask);
hitSomething = true;
}
return(hitSomething);
}
private static bool DefaultSpherecast(Vector3 origin, Vector3 direction, float radius, float distance, LayerMask surface, out RaycastResultHelper result)
{
return(RaycastHelper.SphereFirst(origin, direction, radius, distance, surface, out result));
}