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Question by TheBombix95 · Aug 20, 2013 at 05:06 PM · guitextureenemy

[SOLVED] Object detection inside a GUI area

Hi guys, today i'm here with a new problem for you!!! YEAH !!! Basically what i'm trying to do is to detect if an object is inside a GUI area...well...a circle crosshair. Image to explain: alt text

So when an enemy is inside of this crosshair a target-lock texture shows up and follows the enemy (this part of the script is already done, so you can skip it)

I hope in someone that can help me out and thanks in advance Bye ;)

hud2.png (29.6 kB)
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avatar image moghes · Aug 20, 2013 at 09:17 PM 0
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Dude, if a target-lock texture shows up then your scripts is detecting when the enemy is inside! please post your code

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Answer by Ejlersen · Aug 20, 2013 at 08:24 PM

One way of doing it:

  1. Use WorldToScreenPoint using the objects position to get the point on screen.

  2. Calculate distance from crosshair center to point on screen.

  3. If this distance is less than your crosshair radius, then its inside.

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avatar image TheBombix95 · Aug 20, 2013 at 09:23 PM 0
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thanks for the answer, but how can i get the distance between two screen points? I'm stuck at this point :S

avatar image Joyrider · Aug 20, 2013 at 09:31 PM 0
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Just use Vector2.Distance

avatar image TheBombix95 · Aug 20, 2013 at 10:48 PM 0
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Ok guys i've got it. Now everything works as i was expecting. You guys helped me a lot and thanks for this. :D Thanks another time and see you soon...i guess ;) !

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