moltres-react/src/components/PanController/velocityAtBounds.js

React integration with moltres CMS

const velocityAtBounds = (x0, vx, bounds, deceleration) => {
  let t = 0
  let x1 = x0
  let x = x1
  let vf
  let cont = true
  while (cont) {
    t += 16
    x = x0 + (vx / (1 - deceleration)) * (1 - Math.exp(-(1 - deceleration) * t))
    vf = (x - x1) / 16
    if (x > bounds[0] && x < bounds[1]) {
      cont = false
    }
    if (Math.abs(vf) < 0.1) {
      cont = false
    }
    x1 = x
  }
  return vf
}

export default velocityAtBounds