bool updateObjectPotition(GameObject obj, Vector3 ori, Vector2 localPos, bool isNew, int index = -1)
{
Vector3 normal = transform.forward;
Vector3 surfacePoint = ToCircleSurface(localPos, normal, radius);
Vector3 rayDir = surfacePoint - transform.position;
if (Physics.Raycast(ori, rayDir, out RaycastHit hit, 1000))
{
LightPath lightPath = null;
if (isNew)
{
lightPath = new LightPath(hit.point);
realPointPos.Add(lightPath);
}
else
{
lightPath = realPointPos[index];
lightPath.Clear();
lightPath.Add(hit.point, LightPath.Type.None);
}
Vector3 finalLightPos = hit.point - rayOffset * rayDir;
if (hit.transform.tag == "ReflectionMaterial")
{
finalLightPos = updateObjectPotition_sup(rayDir, hit.normal, hit.point, LightPath.Type.Reflection, lightPath);
}
else if (hit.transform.tag == "RefractionMaterial")
{
finalLightPos = updateObjectPotition_sup(rayDir, hit.normal, hit.point, LightPath.Type.Refraction, lightPath);
}
obj.transform.position = finalLightPos;
return(true);
}
/**
* @param normal previous hit normal
* @param pos previous hit pos
* @param type previous hit material (reflection or refraction)
*/
Vector3 updateObjectPotition_sup(Vector3 viewDir, Vector3 normal, Vector3 pos, LightPath.Type type, LightPath path)
{
Vector3 o = Vector3.zero;
if (type == LightPath.Type.Reflection)
{
o = RotationFromNormal.VectorRotateAroundAxis(-viewDir, normal, 180);
}
else if (type == LightPath.Type.Refraction)
{
o = RotationFromNormal.RefractRayDirection(viewDir, normal, 0.6666f, RotationFromNormal.Space.AirTo);
}
if (Physics.Raycast(pos, o, out RaycastHit hit, 1000))
{
path.Add(hit.point, type);
LightPath.Type tp = LightPath.Type.None;
if (hit.transform.tag == "ReflectionMaterial")
{
tp = LightPath.Type.Reflection;
}
else if (hit.transform.tag == "RefractionMaterial")
{
tp = LightPath.Type.Refraction;
}
if (tp != LightPath.Type.None)
{
return(updateObjectPotition_sup(o, hit.normal, hit.point, tp, path));
}
return(hit.point - rayOffset * viewDir);
}
Debug.Log("Reflection/Refraction ray do not hit anything !");
return(pos - rayOffset * viewDir);
}