Demo code for Leap game

main.controller-loop.js

  controller.loop(function(frame) {
    if (frame.cursorPosition) {
      var position = region.mapToXY(frame.cursorPosition, canvas.width, canvas.height)
      if (1 == frame.fingers.length ) {
        var position = region.mapToXY(frame.cursorPosition, canvas.width, canvas.height)
        Handlers['walkto']( [position[0], position[1]] );
      }

      if (2 == frame.fingers.length ) {
        var v1 = new Vector.create(frame.fingers[0].tipPosition);
        var v2 = new Vector.create(frame.fingers[1].tipPosition);
        var d = v1.distanceFrom(v2) * 0.15;
        Handlers['grow']( d );
      }
    }
  })