Perl 6 - the future is here, just unevenly distributed

IRC log for #openframeworks, 2015-03-07

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All times shown according to UTC.

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12:18 krgn hello all
12:19 krgn how would one go about implementing a simple fade-in/out (maybe using alpha channel) on a video grabber/texture?
12:19 krgn I have something working copying the pixels and multiplying the channels, but with multiple cams its a ton of load on the cpu
12:20 krgn I know I could  parallelize it, but maybe there is a simpler, more efficient way
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18:43 Kei Hello. I have started working with open frameworks an
18:43 Kei I
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18:48 Hiker Hi, I am starting with openframeworks and I am using code:blocks. I have been trying to get the leap motion adon to work but I am having a lot of trouble converting the visual studio version to code:block. I feel I have tried everything but I am getting nowhere. Does anybody know anything about this? Any help would be greatly apretiated. Thank you,
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20:27 alski is it an appropriate workflow to build a mesh completely, and then think about the normals and the lighting? I don't really know how I want to handle the lighting of the mesh, and for now I want to just move on without it.
20:33 admsyn yeah for sure
20:33 admsyn there should be a function for auto generating normals IIRC
20:34 admsyn (if you don't want to deal with it)
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20:38 alski Perfect.
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21:31 krgn what could be the reason that my ofShader only renders to the right half of my window?
21:32 krgn I'm not doing any manual positioning
21:32 admsyn screenshot or code snippet?
21:36 krgn gah, which screenshot service to use? snaggy uses java!
21:36 admsyn If I have to guess, though, probably a math gotcha where e.g. everything in the left half is getting multiplied by 0
21:36 admsyn imgur works
21:37 krgn ah true
21:37 krgn :D
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21:38 krgn http://i.imgur.com/j67VhEm.png
21:38 krgn never mind that its ugly
21:38 krgn and out of date
21:39 admsyn nice setup :)
21:39 admsyn looks like you're getting a shader compilation error? that can't be doing you any favours
21:40 krgn thx!
21:40 krgn hm, no, those were from experiments from before
21:40 admsyn oh ok
21:42 admsyn what happens if you sub out your gl_FragColor line with just gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0) ?
21:43 admsyn that'll narrow it down at least. I feel like it's probably just a case where your mod & dot trick is leaving you with 0 when pos gets a negative x
21:43 admsyn or something
21:43 * admsyn is not in the right headspace for this right now :)
21:44 krgn half the screen is white.
21:44 krgn but maybe its to do with whats going on inside cams.draw()
21:44 admsyn yeah that's probably a safe bet
21:44 krgn no worries, I'll dig more :)
21:45 admsyn it's probably something to do with changing coordinates from 0,0 = top left of the screen to 0,0 being the origin in 3d space
21:45 admsyn "or something"
21:45 admsyn ????
21:45 krgn yeah I'm gonna play with that
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