move points towards a angle #litecanvas #gamedev

code.js

litecanvas();

const max = 3
const dist = 360 / max

function init () {
  x = CENTERX
  y = CENTERY
  a = 0
}

function update (dt) {
  a += 180 * dt

  if (TAPPED) {
    x = TAPX
    y = TAPY
  }
}

function draw () {
  clear(4)

  circfill(
    x,
    y,
    5,
    3
  )

  for (let i = 0; i < max; i++) {
    circfill(
      100 * cos(deg2rad(a + dist * i)) + x,
      100 * sin(deg2rad(a + dist * i)) + y,
      25,
      3
    )
  }
}

Demo:
https://litecanvas.js.org?c=eJx1kDFPwzAQhXf%2FijfaDRJpQ1Gl0gFBVlShDmW0bAedZByUuECE%2Bt85xwmiA8vdffa75zt7is7o8KF7qbZCmDb0EW%2F6CztUE1niwHhb4jpdCdGcgonUBlCgCKnwLYDU8lA%2FHernI9PwSy9MmqkU5z%2Bdp3ero4O0MXdrFDssNyUWsFHwATWQh%2Fv9vn7MgvwAnxxHGDIk8%2FOFse305zyS8U538kYlP0Odach7mb2usktO65wqjqO2aTtI7yIozb3ldJcW56Io5mku%2FYBlmWY3bS%2Bte1112kpeKf%2FdAqQUw%2FTorO0p%2FK8dZu1qPVfVmNW08Q%2Fi62yC