Access the x or y component using [0] or [1] respectively.
var p : Vector2;
p[1] = 5; // the same as p.y = 5
using UnityEngine;
using System.Collections;
public class example : MonoBehaviour {
public Vector2 p;
void Example() {
p[1] = 5;
}
}
import UnityEngine
import System.Collections
class example(MonoBehaviour):
public p as Vector2
def Example():
p[1] = 5