Basicly im using a .VTF that is basicly like the health system in cod4, when 
you get really hurt the redness appears around your screen. Basicly i have the 
image linked to the players health, and the HUD item sets the alpha according 
to the players health so the image is less visible when you are slightly hurt 
and more visible when you are badly injured, and thats the problem, no matter 
what i try i cant get the images alpha to change; here are some of the ways 
I've tried to change the alpha:"surface()->DrawSetColor( 255,255,255,120 );" - 
the 120 being the alpha"this->SetAlpha(120);"It seems i can't get this to work, 
any help would be appreciated.
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