unity detect object with raycast
using UnityEngine;
public class Raycaster : MonoBehaviour {
void Update() {
RaycastHit hit;
if (Physics.Raycast(transform.position, -Vector3.up, out hit))
hit.transform.SendMessage ("HitByRay");
}
}
//The object would have a script like this:
using UnityEngine;
public class ObjectHit : MonoBehaviour {
void HitByRay () {
Debug.Log ("I was hit by a Ray");
}
}