Method pointermove

script.js:1105–1114

(e)

      });
    }
    let pointermove = function(e) {
      if (this.gesturing) { return; }
      e.preventDefault(); 
      e.stopPropagation();
      if (dragging) {
        let dx = e.offsetX * get_ratio(e.target) - base_x;
        let dy = e.offsetY * get_ratio(e.target) - base_y;
        callback(dx, dy);
      }
    }
    elem.addEventListener('pointerdown', pointerdown.bind(this));
    elem.addEventListener('pointermove', pointermove.bind(this), {passive:false});
    let deleter = function() {