private void SearchForPortal(ref Traveler traveler, float3 characterPosition)
{
traveler.hasChecked = 0;
// find new portal
if (UnityEngine.Time.time - traveler.lastCheckedClosestPortal >= 1f)
{
traveler.lastCheckedClosestPortal = UnityEngine.Time.time;
var portals = portalQuery.ToComponentDataArray <Translation>(Allocator.TempJob);
float closestDistance = PortalSystem.portalOpenDistance;
int closestIndex = -1;
float3 closestPosition = float3.zero;
for (int i = 0; i < portals.Length; i++)
{
// distance to
float newDistance = math.distance(portals[i].Value, characterPosition);
if (newDistance < closestDistance)
{
closestDistance = newDistance;
closestIndex = i;
closestPosition = portals[i].Value;
}
}
if (closestIndex != -1)
{
var portalEntities = portalQuery.ToEntityArray(Allocator.TempJob);
if (!World.EntityManager.Exists(traveler.portal) || traveler.portal.Index != portalEntities[closestIndex].Index)
{
if (World.EntityManager.Exists(traveler.portal))
{
World.EntityManager.SetComponentData(traveler.portal, new Translation {
Value = traveler.originalPortalPosition
});
}
if (World.EntityManager.Exists(traveler.portal))
{
World.EntityManager.SetComponentData(traveler.portal, new Translation {
Value = traveler.originalPortalPosition
});
}
traveler.portal = portalEntities[closestIndex];
traveler.originalPortalPosition = closestPosition;
traveler.portalSide = SideOfPortal(characterPosition, closestPosition,
World.EntityManager.GetComponentData <LocalToWorld>(traveler.portal).Forward);
}
portalEntities.Dispose();
}
portals.Dispose();
}
}
private void RepositionPortal(Camera playerCam, Traveler traveler, float3 cameraPosition, float3 portalForward)
{
const float portalRepositionDistance = 0.5f; // 0.5
float nearClipPlane = playerCam.nearClipPlane + nearClipPlaneAddition;
float halfHeight = nearClipPlane * Mathf.Tan(playerCam.fieldOfView * portalRepositionDistance * Mathf.Deg2Rad);
float halfWidth = halfHeight * playerCam.aspect;
float dstToNearClipPlaneCorner = new Vector3(halfWidth, halfHeight, playerCam.nearClipPlane).magnitude;
float screenThickness = dstToNearClipPlaneCorner;
//Transform screenT = screen.transform;
bool camFacingSameDirAsPortal = math.dot(portalForward, traveler.originalPortalPosition - cameraPosition) > 0;
float3 newPosition = portalForward * screenThickness * ((camFacingSameDirAsPortal) ? portalRepositionDistance : -portalRepositionDistance); // Vector3.forward
World.EntityManager.SetComponentData(traveler.portal, new Translation {
Value = traveler.originalPortalPosition + newPosition
});
}
private void TeleportTraveler(ref Translation travelerPosition, ref Rotation travelerRotation, ref Traveler traveler, Entity travelerEntity) //, float3 characterPosition, float3 portalPosition)
{
// Traveler
var travelerMatrix = World.EntityManager.GetComponentData <LocalToWorld>(travelerEntity).Value;
// Portal
Entity portalEntity = traveler.portal;
var portalPosition = World.EntityManager.GetComponentData <Translation>(portalEntity).Value;
var portalRotation = World.EntityManager.GetComponentData <Rotation>(portalEntity).Value;
var portalMatrixInverse = math.inverse(World.EntityManager.GetComponentData <LocalToWorld>(portalEntity).Value);
// linked portal
var linkedPortalEntity = World.EntityManager.GetComponentData <Portal>(portalEntity).linkedPortal;
var linkedPortalPosition = World.EntityManager.GetComponentData <Translation>(linkedPortalEntity).Value;
var linkedPortalRotation = World.EntityManager.GetComponentData <Rotation>(linkedPortalEntity).Value;
var linkedPortalMatrix = World.EntityManager.GetComponentData <LocalToWorld>(linkedPortalEntity).Value;
float3 offsetFromPortal = travelerPosition.Value - portalPosition;
float3 newOffset = math.mul(linkedPortalRotation, (math.mul(math.inverse(portalRotation), offsetFromPortal)));
travelerPosition.Value = linkedPortalPosition + newOffset;
quaternion newRotation = math.mul((linkedPortalRotation), (math.mul(math.inverse(portalRotation), travelerRotation.Value)));
travelerRotation.Value = newRotation;
traveler.lastCheckedClosestPortal = UnityEngine.Time.time - 1f;
}
