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FREE SOFTWARE GIVEAWAY

We have 4 x Pro Licences (valued at $59 each) for 2d modular animation software Spriter to give away in this Thursday's GDNet Direct email newsletter.


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Health Effect


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#1 mrmohadnan   Members   -  Reputation: 279

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Posted 22 May 2013 - 04:01 PM

I want to make something already done by a lot of games , which is when I am taking so much hits from enemy red screen drawn like the following , using XNA 4.0:

after it's drawn and I am still alive I want to be removed slightly as in the call of duty !!!

4r9xgose284oedd6g.jpg


Edited by mrmohadnan, 22 May 2013 - 04:01 PM.


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#2 menohack   Members   -  Reputation: 216

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Posted 22 May 2013 - 04:08 PM

Render-to-texture the scene, then make a new shader that combines the rendered image with the blood image (with transparency in the middle).

 

This is known as a post-process.



#3 minibutmany   Members   -  Reputation: 1681

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Posted 22 May 2013 - 07:20 PM

To make it fade away, adjust the alpha(opacity) of the image, which is demonstrated in this stack overflow thread: 

http://stackoverflow.com/questions/6632723/how-to-make-a-texture2d-50-transparent-xna


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