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Question by Andreas Hagen · Mar 06, 2011 at 08:12 PM · materialalphafade

Fade out material using alpha channel

I tried to fade out the muzzle flash of a gun by using the alpha channel of the material. It uses the Particle/Additive shader and the mesh has two materials. I tried the following code, but nothing happened

var Farbe1 = Color(255,255,255,0);
var Farbe2 = Color(255,255,255,255);
MuzzleFlash.material.color.Lerp(Farbe1,Farbe2,FireRate);

The MuzzleFlash variable is a Renderer. What could the reason for the problem be?

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avatar image Peter G · Mar 06, 2011 at 08:19 PM 0
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Normally, you don't need to fade out muzzle-flash. The time from when it flashes until it is completely faded is so short that it is nearly undetectable.

avatar image Andreas Hagen · Mar 06, 2011 at 08:24 PM 0
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Yeah, but it looks like it's flickering because it appears and disapperas within 1 second :/ And in the transparent shaders, I haven't found an additive that make's the black parts from the texture invisible.

avatar image Mike 3 · Mar 06, 2011 at 08:32 PM 0
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Small note - Lerp isn't an instance function, so your last line is near identical to Color.Lerp(stuff); - not setting your material color

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Answer by DaveA · Mar 06, 2011 at 08:27 PM

Look in the particle shaders. I'm a fan of additive soft. You could also put alpha channels on your textures if that might help. You shouldn't have to do anything fancy (no script anyway).

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