Pendulum

by Brian Krause

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Pendulum

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Thursday, 3/19/2020

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var t=0;
var L=300;
var k=0.3;
var sign=1;
var hm=200;
function setup() {
  createCanvas(1000,400);
  background(100);
  angleMode(DEGREES);
}
function draw() {
  background(100);
  translate(500,0);
  rotate(t)
  ellipse(0,L,50);
  line(0,L,0,0)
  if (L*cos(t)-hm<0){sign=sign*-1;}
  t+=sign*k*sqrt(abs(L*cos(t)-hm));
}

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<iframe src="https://openprocessing.org/sketch/859691/embed/" width="400" height="400"></iframe>

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“Pendulum” by Brian Krause
https://openprocessing.org/sketch/859691
License CreativeCommons Attribution ShareAlike
https://creativecommons.org/licenses/by-sa/3.0

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