// Checks if the obj's transform position is in view. Do not use for big objects with gigonormous colliders you might want to detect.
// still need obj to have a collider though.
public bool CanSee(GameObject obj)
{
Vector3 forward = Vector3.forward;
if (is2D)
{
forward = transform.rotation * flipper.GetForward();
Debug.DrawRay(transform.position, forward, Color.red, 1f);
Debug.DrawRay(transform.position, Quaternion.Euler(0f, 0f, -viewAngle / 2f) * forward * viewRadius, Color.black, 1f);
Debug.DrawRay(transform.position, Quaternion.Euler(0f, 0f, viewAngle / 2f) * forward * viewRadius, Color.black, 1f);
}
if (obj == null)
{
return(false);
}
if (Vector3.Distance(obj.transform.position, transform.position) > viewRadius)
{
//Debug.Log("OUT OF VIEW RADIUS");
return(false);
}
Vector3 lookAtObj = obj.transform.position - transform.position;
//Debug.DrawRay(transform.position, lookAtObj);
float angle = Vector3.Angle(forward, lookAtObj);
if (angle > viewAngle / 2f)
{
//Debug.Log("OUT OF VIEW ANGLE : " + angle + " from vectors " + forward + " and " + lookAtObj);
return(false);
}
//Debug.Log("IN VIEW RADIUS AND ANGLE");
RaycastHit hit;
if (Physics.Raycast(transform.position, lookAtObj, out hit, lookAtObj.magnitude, obstacleMask))
{
//Debug.Log("OBSTACLE IN THE WAY");
return(false);
}
//Debug.Log("final result : obj in view !");
return(true);
}