​

// hand touching

let tMinD = 5 // touch min duration-pressure (sec?)

let tMaxD = 20 // touch max duration-pressure (sec?)

let tMaxP = 2 // max pause between two touches (sec?)

let tMinS = 5 // max size of touches (cm?)

let tMaxS = 30 // max size of touches (cm?)

​

// waves (of pleasure?)

let wSns = 6 // sensitivity (0-10) to touch duration-pressure

let wSpd = 5 // wave intensity-speed

​

function setup() {

  createCanvas(512, 265);

  noStroke()

  t = 0

  tt = 0

  tx = random(150, 350)

  ty = random(100, 200)

  tl = random(tMinD, tMaxD)

  ts = random(tMinS, tMaxS)

  tlr = tMaxD - tMinD

  wtrsh = tMinD + wSns * tlr / 10

}

​

function draw() {

  // time passing

  t += pace / 100

  background(0)

  const tcd = tt + tl - t

   // pauses = do nothing

  if (tt > t) {}

  // touch circles

  else if (tcd > 0) {

    const d = (tcd > tl / 2) ? tl - tcd : tcd

    const ad = (tcd > tl / 2) ? tcd : tl - tcd

    let a = 0

    for (let r = d; r > 0; --r) {

      fill(a);

      ellipse(tx, ty, ts * r, ts * r) 

      a += 255 / ad

    }

    // waves of tension release

    if (wSns / 15 > tcd / tl && wtrsh >= tl) {

      for (let px = 0; px < width / 5; px++) {

        const x = px * 5

        if (x < tx + 8 && x > tx - 8) {

          for (let py = 0; py < height / 5; py++) {

            const y = py * 5

            let dty = abs(ty - y) * pow(tcd / tl, wSpd / 2)

            if (dty > 5) {

              fill(50 * (tl - tcd));

              ellipse(x, y, 1, 1) 

            }

          }

        }

      } 

    }

  } else {

    // generate new touch

    tt = t + random(0, tMaxP)

    tx = random(150, 350)

    ty = random(100, 200)

    tl = random(tMinD, tMaxD)

    ts = random(tMinS, tMaxS)

  }

}

​

function drawGradient(x, y, radius) {

  let h = 250;

​

}

​

function keyPressed() {

  if (key === 's') {

    saveGif('S1.gif', 15);

  }

}