Using CSS transition & transform to move a component: https://react-simple-transform.surge.sh

board.js

import React from 'react'
import {render} from 'react-dom'

let Board = React.createClass({
  getInitialState() {
    return {
      x: 150,
      y: 150,
    }
  },
  componentDidMount() {
    setInterval(() => {
      this.setState({
        x: 32 + Math.floor(246 * Math.random()),
        y: 32 + Math.floor(246 * Math.random()),
      })
    }, 1000)
  },
  render() {
    let {x, y} = this.state
    return <div style={{
      border: '1px solid black',
      height: 300,
      position: 'relative',
      width: 300,
    }}>
      <div
        children={'\u2663'}
        style={{
          left: 0,
          fontSize: '32px',
          position: 'absolute',
          top: 0,
          transform: `translateX(${x}px) translateY(${y}px)`,
          transition: 'transform .5s',
        }}
      />
    </div>
  }
})

render(<Board/>, document.getElementById('app'))

board.preact.js

import {h, Component} from 'preact'

class Board extends Component {
  state = {
    x: 150,
    y: 150,
  }
  componentDidMount() {
    this.interval = setInterval(() => {
      this.setState({
        x: 32 + Math.floor(246 * Math.random()),
        y: 32 + Math.floor(246 * Math.random()),
      })
    }, 1000)
  }
  componentWillUnmount() {
    console.log('unmounting')
    clearInterval(this.interval)
  }
  render({}, {x, y}) {
    return <div style={{
      border: '1px solid black',
      height: 300,
      position: 'relative',
      width: 300,
    }}>
      <div
        children={'\u2663'}
        style={{
          left: 0,
          fontSize: '32px',
          position: 'absolute',
          top: 0,
          transform: `translateX(${x}px) translateY(${y}px)`,
          transition: 'transform .5s',
        }}
      />
    </div>
  }
}

export default Board

Nice work

TNX