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additive alpha

vincent 11 år siden • opdateret af Freya Holmér (Developer) 10 år siden • 6

Hi, when I put the Blend Mode of a shader to Additive the alpha can only be controlled through the emission slot. (Don't know if it is a bug or just the way it is.) The only thing is that the alpha slot is not grayed out so it looks use able. 

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Ikke en bug
Freya Holmér (Developer) 10 år siden
Ah, that's a good point, perhaps it should be greyed out :) Will polish this behaviour in the coming beta

Edit: On second though, you might want to be able to write to the alpha channel for special effects, even when using additive, so I will keep it as is! Thanks for the suggestion anyhow.

Planlagt
Freya Holmér (Developer) 11 år siden

Ah, that's a good point, perhaps it should be greyed out :) Will polish this behaviour in the coming beta

+1
robert briscoe 11 år siden

You could just multiply your alpha with your texture in additive mode as a temp fix

vincent 11 år siden

I have a material that does something like HDR , so when you are inside a structure and look outside everything looks over bright and the material fades when you get closer. So in this case I don't use a texture;) But thx anyway:)

Freya Holmér (Developer) 11 år siden

Doesn't have to be a texture, can be a color or value as well. Multiply your emission with a slider from 0-1 and see what happens when you drag it :)

vincent 11 år siden


vincent 11 år siden
This will do it based on the distance; don't need a slider;P
Andrei Nadin 11 år siden

Thats pretty cool :)

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Ikke en bug
Freya Holmér (Developer) 10 år siden
Ah, that's a good point, perhaps it should be greyed out :) Will polish this behaviour in the coming beta

Edit: On second though, you might want to be able to write to the alpha channel for special effects, even when using additive, so I will keep it as is! Thanks for the suggestion anyhow.

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