createCanvas(1200, 1200);

  frameRate(30)

}

​

let size = 50

let angle1 = 0

let speed1 = 5

​

let angle2 = 0

let speed2 = 3

​

let upSpeed= -3

let actualHeight = 0;

​

function draw() {

  translate(width / 2, height / 2)

  background(220);

  angleMode(DEGREES)

  //rectMode(CENTER)

  //rotate it's own

  let s1 = sin(angle1)

  let x1 = map(s1,-1,1, -s1*size*2, s1*size)

  rotate(x1)

  //keep pulling up

  translate(0, 0)

  let s2 = sin(angle2)

  let x2 = map(s2,-1,1, -s2*size, s2*size)

  //rotate(x2)

  triangle(0, s1, 0, 50, 50, 0)

  //triangle(0, s1*size, 0, 50+s1*size, 50, 0+s1*size)

  angle1+=speed1

  angle2+=speed2

  actualHeight+=upSpeed

}