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Question by eradiuslore · Oct 11, 2011 at 08:43 PM · mousetexture2dpixelgetpixel

getPixel co-ordinates not screen co-ordinates based on mouse position

Hi, im trying to get the x,y co-ordinates of a pixel to use in the GetPixel function. I have tried using a raycast to get the hit position based on Camera.main.WorldToScrenPoint however this gives a screen co-ordinate, not a pixel co-ordinate on the readable texture. So how do you do it, by that i mean get pixel co-ordinates off a specific texture in the scene when the mouse is over it.

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Answer by aldonaletto · Oct 11, 2011 at 08:52 PM

You should use the Raycast, but from the RaycastHit structure returned, get textureCoord: it's the UV coordinates of the pixel hit. The docs give in the link above an example of how to set the pixel hit - it's probably easy to adapt to your case.

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Answer by DaveA · Oct 11, 2011 at 08:51 PM

http://unity3d.com/support/documentation/ScriptReference/RaycastHit.html check out textureCoord

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avatar image eradiuslore · Oct 11, 2011 at 11:00 PM 0
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hi thanks thats very helpful :)

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