@mui/x-internal-gestures/esm/core/utils/calculateCentroid.js

The core engine of GestureEvents, a modern and robust multi-pointer gesture detection library for JavaScript.

/**
 * Calculate the centroid (average position) of multiple pointers
 */
export function calculateCentroid(pointers) {
  if (pointers.length === 0) {
    return {
      x: 0,
      y: 0
    };
  }
  const sum = pointers.reduce((acc, pointer) => {
    acc.x += pointer.clientX;
    acc.y += pointer.clientY;
    return acc;
  }, {
    x: 0,
    y: 0
  });
  return {
    x: sum.x / pointers.length,
    y: sum.y / pointers.length
  };
}