View difference between Paste ID: Y1vGsEmd and pBRP1H67

 using UnityEngine;
 using System.Collections;
 
 public class Lamp : MonoBehaviour
 {
 	// set these up in the inspector
 	// the spriteRenderers will be dragged in from the scene
 	public SpriteRenderer lampSpriteRenderer, skySpriteRenderer;
 	// these sprites are Assets, they should be dragged in from the project folder
 	public Sprite lampOn, lampOff;
 	public Sprite skyOn, skyOff;
 
 	// have to add a boxcollider (or spherecollider) to this to make it actually clickable. set it to be a trigger (isTrigger checkbox)
 	void OnMouseDown()
 	{
 		// if the lamp spriteRenderer (thing that renders the lamp onscreen) has the lampOn sprite, then ...
 		if (lampSpriteRenderer.sprite == lampOn)
 		{
 			// we want ot set it off
 			lampSpriteRenderer.sprite = lampOff;
 			// and set the sky off too!
 			skySpriteRenderer.sprite = skyOff;
 		}
 		// if the lamp spriteRenderer (thing that renders the lamp onscreen) is NOT showing the lampOn sprite, we can assume it's showing the lampOff sprite...
 		else
 		{
 			// so turn the lamp on
 			lampSpriteRenderer.sprite = lampOn;
 			// and the sky too! :)
 			skySpriteRenderer.sprite = skyOn;
 		}
 	}
 }