Top coordinate of the rectangle.

	var rect = Rect (10, 10, 100, 100);
	print(rect.y);
	rect.x = 20;

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public Rect rect = new Rect(10, 10, 100, 100);
    void Example() {
        print(rect.y);
        rect.x = 20;
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	public rect as Rect = Rect(10, 10, 100, 100)

	def Example() as void:
		print(rect.y)
		rect.x = 20