衝突してきたオブジェクト名

function OnCollisionEnter(theCollision : Collision){
 if(theCollision.gameObject.name == "Floor"){
  Debug.Log("床に落ちました");
 }
}
function OnCollisionEnter(coll : Collision) {
var obj = coll.gameObject;
Debug.Log (obj.name);
if (obj.name == "Player")
{
Destroy (gameObject);
}
}
coll.*
* = 
relativeVelocity
rigidbody
collider
transform
gameObject
contacts