Polygon2D opacity doesn't work.

[sergicollado]

commit 00bfdc8
OpenSuse 42.1 KDE x86_64 Intel Core i5-4670 CPU @ 3.40GHz

In Polygon2D node opacity parameter doesn't work.

[rgrams]

+1. Same on Windows 7, various builds.

[reduz]

aware of this, but to fix requires many hacks to a renderer that will be rewritten after 2.1 is out, so leaving this for then

[Zylann]

Argh I'll have to drop all my polygons now and use sprites :p

[rgrams]

You can easily get around this bug with a shader (though you won't get quite the same ease of use). Just do:

uniform float opacity = 1.0;
COLOR.a *= opacity;

If you're not using any other shaders you can put it on any node and set it's children to "Use Parent" material so you can control multiple nodes at once, like regular opacity.

[akien-mga]

See also #5544 and #6060 which are duplicates of this one. #6060 seems to infer that this might be a regression in 2.1.

[ghost]

Encountered same problem trying to make some UI elements. Now I'm REALLY waiting on 3.0

[bojidar-bg]

Whats the status of this in current master (assuming polygon2d still works...)?

[Zylann]

Not sure if we can even see it given this #7840

[bojidar-bg]

@Zylann Ah, good, so this issue can't be reproduced anymore, so we can close it? (jk)

Well, then, I guess it is blocked by #7840...

[reduz]

this was fixed in 3.0 and #7840 solved, so closing this