internal static void OnTravellerEnterPortal(PortalTraveller traveller, Portal this_portal)
{
if (!this_portal.TrackedTravellers.Contains(item: traveller))
{
traveller.EnterPortalThreshold();
traveller.PreviousOffsetFromPortal = traveller.transform.position - this_portal.transform.position;
this_portal.TrackedTravellers.Add(item: traveller);
}
}
static void UpdateSliceParams(PortalTraveller traveller, Portal portal, Camera receiver)
{
// Calculate slice normal
var side = SideOfPortal(pos: traveller.transform.position, portal: portal);
var slice_normal = portal.transform.forward * -side;
var clone_slice_normal = portal.linkedPortal.transform.forward * side;
// Calculate slice centre
var slice_pos = portal.transform.position;
var clone_slice_pos = portal.linkedPortal.transform.position;
// Adjust slice offset so that when player standing on other side of portal to the object, the slice doesn't clip through
float slice_offset_dst = 0;
float clone_slice_offset_dst = 0;
var screen_thickness = portal.PortalRenderer.Thickness;
var player_same_side_as_traveller = SameSideOfPortal(pos_a: receiver.transform.position,
pos_b: traveller.transform.position,
portal: portal);
if (!player_same_side_as_traveller)
{
slice_offset_dst = -screen_thickness;
}
var player_same_side_as_clone_appearing =
side != SideOfPortal(pos: receiver.transform.position, portal: portal.linkedPortal);
if (!player_same_side_as_clone_appearing)
{
clone_slice_offset_dst = -screen_thickness;
}
// Apply parameters
for (var i = 0; i < traveller.OriginalMaterials.Length; i++)
{
traveller.OriginalMaterials[i].SetVector(nameID: Portal._Slice_Centre, value: slice_pos);
traveller.OriginalMaterials[i].SetVector(nameID: Portal._Slice_Normal, value: slice_normal);
traveller.OriginalMaterials[i].SetFloat(nameID: Portal._Slice_Offset_Dst, value: slice_offset_dst);
traveller.CloneMaterials[i].SetVector(nameID: Portal._Slice_Centre, value: clone_slice_pos);
traveller.CloneMaterials[i].SetVector(nameID: Portal._Slice_Normal, value: clone_slice_normal);
traveller.CloneMaterials[i]
.SetFloat(nameID: Portal._Slice_Offset_Dst, value: clone_slice_offset_dst);
}
}