Forums > Jitter help file weirdness…

Feb 18 2011 | 1:34 pm

Hello I am checking out Open GL objects and am having an issue with the help file for the object. When checking toggle switches for the auto_normals $1, auto_tangents $1, auto_bitangents $1, auto_colors $1 messages and the prepend color_mode drop down menu I get red errors in the Max window along the lines of "failed to auto generate tangents!" "source data does not exist: " " failed to generate auto colors!" and so forth.
I restared Max and get the same thing. I’m running the latest version of Max/MSP on a very new iMac.

It is likely that I am missing something here. Any advice is greatly appreciated.



Feb 18 2011 | 5:10 pm

yeah that is a bit weird, I also get the errors in the max window, but up till now I haven’t had any use for those particular auto messages. You can always set the colors and everything by yourself check the tutorials for more info.

Feb 18 2011 | 6:41 pm

as mentioned in the reference file auto_tangents/bitangents need normals and texcoords.
auto_colors looks at the color_mode attribute to determine what generates the colors. the default is none, which is why the error shows up. hopefully this patch explains:

-- Pasted Max Patch, click to expand. --

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Forums > Jitter