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Demolishun
4d

Working on graphing points in a Cartesian space (4 quadrants). I am wondering why the software I am mimicking has the x axis going the wrong direction. I am absolutely certain the x axis went the other way. So I talk to my boss about it. He is like it went this way when he learned math. I am like wtf? This generation learned all new math? I look it up and realize it always went positive to the right. I slowly remember the things I graphed in the past. This shit didn't change.

I have been away from doing any real math so long I am starting to hallucinate axis the wrong way. WTF is this shit!? For like 2 to 3 minutes I was gaslighting my boss with my ignorance. He was gracious enough to let grandpa figure it out for himself. Thank you kind boss.

I can whirl beautiful interfaces and make efficient memory contraptions, but I can't remember how equations dance in the moonlight...

rant

math

forgetting shit
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  • 8
    4d
    The Z axis is different in math and graphics. (Up in math; into the distance in graphics). Also, 0° vs 90° can be in different orientations (right vs up) depending where it’s used. Both of these still give me trouble; don’t feel too bad.
  • 3
    4d
    And there is the difference between OpenGL and DirectX
  • 7
    4d
    The convention for building faces with vertices can be different, too. Sometimes it's clockwise, sometimes it’s counterclockwise.
  • 4
    4d
    Don’t even get me started on left handed vs right handed coordinate systems. I’ve wasted more time on fixing import settings for 3D programs than I’d like to admit
  • 2
    3d
    This reminds me of the 'Standards' xkcd comic: https://xkcd.com/927/ .
  • 2
    3d
    @D-4got10-01 the problem is I had the standard x/y graph you learn in junior high/high school backwards in my mind. I get that its just as valid to go the other way math wise. But I was certain it was different than when I was younger. So for like 5 minutes searching on the web I was questioning my own reality and wondering if my timeline merged into a different dimension. lol
  • 3
    3d
    @Demolishun I do get it, actually. I'm sure I have misremembered some things at some point or the other.

    The amounts of data we consume && are meant to remember are sometimes / often very large.
  • 1
    1d
    What are you working on?
  • 2
    1d
    @Wisecrack laser points to control a laser welder. It uses an x/y graph in 4 quadrants.
  • 2
    1d
    @Demolishun software to control a laser welder?

    Oh thats fucking cool.

    Next up, a manned laser turret! I demand more dakka.
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