public static SuperspectiveRaycast Raycast(Ray ray, float maxDistance, int layerMask)
{
SuperspectiveRaycast result = new SuperspectiveRaycast();
result.distance = maxDistance;
Ray currentRay = ray;
float distanceRemaining = maxDistance;
int raycastsMade = 0;
Portal lastPortalHit = null;
while (distanceRemaining > 0 && raycastsMade < MAX_RAYCASTS)
{
int lastPortalHitLayer = -1;
// Temporarily ignore the out portal of the last portal hit
if (lastPortalHit != null && lastPortalHit.otherPortal != null)
{
lastPortalHitLayer = lastPortalHit.otherPortal.gameObject.layer;
lastPortalHit.otherPortal.gameObject.layer = LayerMask.NameToLayer("Ignore Raycast");
}
RaycastHit[] hits = Physics.RaycastAll(
currentRay.origin,
currentRay.direction,
distanceRemaining,
layerMask,
QueryTriggerInteraction.Collide
);
raycastsMade++;
if (lastPortalHitLayer > 0 && lastPortalHit.otherPortal != null)
{
lastPortalHit.otherPortal.gameObject.layer = lastPortalHitLayer;
}
SuperspectiveRaycastPart part = new SuperspectiveRaycastPart(currentRay, distanceRemaining, hits);
distanceRemaining -= part.distance;
if (part.hitPortal && distanceRemaining > 0)
{
currentRay = part.NextRay();
lastPortalHit = part.portalHit;
}
result.AddPart(part);
}
if (raycastsMade == MAX_RAYCASTS)
{
Debug.LogWarning($"Max steps for raycast {MAX_RAYCASTS} exceeded, raycast shorted early");
}
return(result);
}
public void AddPart(SuperspectiveRaycastPart part)
{
if (part.portalHit != null)
{
allPortalsHit.Add(part.portalHit);
}
if (part.objectsHit != null && part.objectsHit.Length > 0)
{
allObjectHits.AddRange(part.objectsHit);
}
raycastParts.Add(part);
}