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

React integration with moltres CMS

import closestCenter from './closestCenter'

const momentumCenter = (x0, vx, spacing, deceleration) => {
  let t = 0
  let x1 = x0
  let x = x1
  let cont = true
  while (cont) {
    t += 16
    x = x0 + (vx / (1 - deceleration)) * (1 - Math.exp(-(1 - deceleration) * t))
    if (Math.abs(x - x1) < 0.1) {
      cont = false
    }
    x1 = x
  }
  return closestCenter(x1, spacing)
}

export default momentumCenter