c# - How to make a image clickable in unity 2d 4.3 -

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i developing 2d game in unity 4.3 want know how can make image clickable using c#.for example don't want use button on game want different images when user click 1 of them happens.like 'setting' image setting option appears.please tell me how this.

thank you

there 1 or more way take sprite gameobject , click through script on it,or can through gui means ongui() method,make texture variable public , pass desried image through inspector panel , draw image in ongui(),like

public class exampleclass : monobehaviour  {     public texture btntexture;     void ongui()       {         if (!btntexture)          {             debug.logerror("please assign texture on inspector");             return;         }         if (gui.button(new rect(10, 10, 50, 50), btntexture),guistyle.none)             debug.log("clicked button image");         //pass guistyle none behaves image not button.      } }

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