Topology Lesson example

[Doug Moen]

I created this as a joke, but I think it looks fairly good.

// A topologist is a mathematician who doesn't know the difference

// between a coffee mug and a doughnut.

parametric

    Morph :: slider(0,1) = 0;

in let

wall_thickness = 0.075;

solid_body = cylinder{d:.75, h:1} >> move[-0.375,0,0];

cutout = cylinder{d:.75-wall_thickness, h:2}

          >> move[-0.375,0,wall_thickness + .5];

handle = torus {minor: .1, major: .65} >> rotate {angle: 90*deg, axis: X_axis};

solid_mug = union [solid_body, handle]

  >> colour (lib.web_colour.antique_white);

chocolate = webRGB(123, 63, 0); // en.wikipedia.org/wiki/Chocolate_(color)

doughnut = torus {minor: .3, major: .65}

  >> rotate {angle: 90*deg, axis: X_axis}

  >> colour (chocolate);

in

difference [

    morph Morph [solid_mug, doughnut],

    morph Morph [cutout >> move[0,0,Morph*2], doughnut]

]

>> lipschitz 1.5

[Chris Bruner]

Been awhile since I looked at your project. I rebuilt to see your joke, wow you've made a lot of progress!

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