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Question by ahmedbenlakhdhar · Dec 07, 2014 at 02:31 PM · spritecollider2doverlay

How to hide an area of a sprite

I am trying to dynamically hide an area of a sprite by a collider which overlays the sprite, with these details:

  • The hidden area gets the same shape as the overlaying collider;

  • The hidden area follows the overlaying collider position;

  • The main camera projection is orthographic.

This illustration may explain this better:

alt text

Is there a proper solution to realize this?

Thank you in advance.

illustration.png (401.0 kB)
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Answer by fafase · Dec 07, 2014 at 03:07 PM

I think this could be of some help:

http://wiki.unity3d.com/index.php?title=DepthMask

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avatar image ahmedbenlakhdhar · Dec 07, 2014 at 05:12 PM 0
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That works, but this way the hiding object must have a mesh, and what I need is to use a collider to hide sprites. Furthermore it seems that this still treatable. Thank you for the response.

avatar image Pflobus · Dec 07, 2014 at 05:41 PM 0
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I don't know if my answer was uploaded or not, but if it was...I'll delete this one.

I would use either sorting layers, but if anything, use 3d depth to your advantage. But sorting layers, in my opinion, are better.

Refer to here, or look here. I hope I was of help, and best of luck with you project! (Nice image you used there, by the way. It looked really cool!)

avatar image fafase · Dec 07, 2014 at 05:55 PM 0
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sorting layers will hide the object. here the point is to make part of the object transparent. I don't think layers would fix this.

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