Asymptote optical illusion #1

by sonone, Mar 31, 2020, 3:30 PM

Here it is, I made it myself! The impossible triangle!
[asy]
pair A,B,C,a,b,c;
A=origin;
B=(10,0);
C=10*dir(60);
a=dir(60);
b=B+dir(120);
c=(1,0);
real w=1;
real p=60;
// first leg (a.k.a, all the legs)
pair fun_a,fun_c,fun_leg1,fun_leg2,fun_leg3,fun_leg4;
fun_a=a;
fun_c=c;
fun_leg1=fun_c+7*a;
fun_leg2=6*c+2*a;
fun_leg3=fun_leg2+c;
fun_leg4=9*a;
pair O=circumcenter(A,B,C);
path impossible_triangle_one_third=fun_a--fun_c--fun_leg1--fun_leg2--fun_leg3--fun_leg4--cycle;
filldraw(rotate(0,O)*impossible_triangle_one_third,lightgrey);
filldraw(rotate(120,O)*impossible_triangle_one_third,grey);
filldraw(rotate(240,O)*impossible_triangle_one_third,darkgrey);
[/asy]

Comment

2 Comments

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Nice, except it hurts my eyes. Can I be a contributor?

by G.G.Otto, Apr 1, 2020, 5:39 AM

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Sure! I'll make you one right now!

by sonone, Apr 1, 2020, 11:47 AM

Old material is mostly Asymptote, new material is calculator programming

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sonone
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  • I still exist as well.

    by G.G.Otto, Aug 11, 2023, 2:44 AM

  • hello I'm still here lol

    by player01, Aug 6, 2022, 6:24 PM

  • [REVIVAL] I will start posting more calculator relating posts very soon. Even though school has been busy, I have been programming my calculators a decent amount, so I have a lot to share...

    by sonone, Feb 18, 2022, 10:29 PM

  • wow its been like 2.5 years since geo class

    by pieMax2713, Feb 4, 2022, 8:38 PM

  • @violin21, I've been very busy with school lately and haven't been able to add another lesson. I will when i get a free moment

    by sonone, Aug 19, 2021, 12:45 AM

  • ORZ CODER

    by samrocksnature, Aug 9, 2021, 9:57 PM

  • Could you make more Asymptote lessons on your "How to do Asymptote" blog?

    by violin21, Aug 9, 2021, 7:26 PM

  • You can take it, just C&P the CSS into your CSS area

    by sonone, Apr 17, 2021, 10:08 PM

  • how can we take the CSS if we have permission to not take it?

    by GoogleNebula, Apr 17, 2021, 5:22 PM

  • That is awesome!

    by sonone, Apr 15, 2021, 10:09 PM

  • I modified your dodecahedron and got:
    [asy]
    import three;
    import solids;
    size(300);
    currentprojection=orthographic(0,1.3,1.2);
    light(0,5,10);

    real phi=(sqrt(6)+1)/3;
    real g=(phi-1)/2;
    real s=1/2;
    real a=sqrt(1-phi*phi/4-g*g)+phi/2;

    triple[] d;
    d[0]=(phi

    by Andrew2019, Mar 26, 2021, 12:15 AM

  • Not too many, just changing the color here and there. I really like your CSS!

    by sonone, Feb 2, 2021, 10:35 AM

  • Nice!

    I see you're making changes to the CSS. :)

    by G.G.Otto, Feb 1, 2021, 9:26 PM

  • I'm learning Java now!

    by sonone, Feb 1, 2021, 5:56 PM

  • And I took part of it from CaptainFlint and then added a ton of modifications. ;)

    by G.G.Otto, Dec 1, 2020, 8:56 AM

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