cione-comp-lib/es/node_modules/zrender/lib/core/OrientedBoundingRect.mjs

`$ yarn add cione-comp-lib` 或者 `$ npm i cione-comp-lib -S`

import Point from "./Point.mjs";
var extent = [0, 0];
var extent2 = [0, 0];
var minTv = new Point();
var maxTv = new Point();
var OrientedBoundingRect = function() {
  function OrientedBoundingRect2(rect, transform) {
    this._corners = [];
    this._axes = [];
    this._origin = [0, 0];
    for (var i = 0; i < 4; i++) {
      this._corners[i] = new Point();
    }
    for (var i = 0; i < 2; i++) {
      this._axes[i] = new Point();
    }
    if (rect) {
      this.fromBoundingRect(rect, transform);
    }
  }
  OrientedBoundingRect2.prototype.fromBoundingRect = function(rect, transform) {
    var corners = this._corners;
    var axes = this._axes;
    var x = rect.x;
    var y = rect.y;
    var x2 = x + rect.width;
    var y2 = y + rect.height;
    corners[0].set(x, y);
    corners[1].set(x2, y);
    corners[2].set(x2, y2);
    corners[3].set(x, y2);
    if (transform) {
      for (var i = 0; i < 4; i++) {
        corners[i].transform(transform);
      }
    }
    Point.sub(axes[0], corners[1], corners[0]);
    Point.sub(axes[1], corners[3], corners[0]);
    axes[0].normalize();
    axes[1].normalize();
    for (var i = 0; i < 2; i++) {
      this._origin[i] = axes[i].dot(corners[0]);
    }
  };
  OrientedBoundingRect2.prototype.intersect = function(other, mtv) {
    var overlapped = true;
    var noMtv = !mtv;
    minTv.set(Infinity, Infinity);
    maxTv.set(0, 0);
    if (!this._intersectCheckOneSide(this, other, minTv, maxTv, noMtv, 1)) {
      overlapped = false;
      if (noMtv) {
        return overlapped;
      }
    }
    if (!this._intersectCheckOneSide(other, this, minTv, maxTv, noMtv, -1)) {
      overlapped = false;
      if (noMtv) {
        return overlapped;
      }
    }
    if (!noMtv) {
      Point.copy(mtv, overlapped ? minTv : maxTv);
    }
    return overlapped;
  };
  OrientedBoundingRect2.prototype._intersectCheckOneSide = function(self, other, minTv2, maxTv2, noMtv, inverse) {
    var overlapped = true;
    for (var i = 0; i < 2; i++) {
      var axis = this._axes[i];
      this._getProjMinMaxOnAxis(i, self._corners, extent);
      this._getProjMinMaxOnAxis(i, other._corners, extent2);
      if (extent[1] < extent2[0] || extent[0] > extent2[1]) {
        overlapped = false;
        if (noMtv) {
          return overlapped;
        }
        var dist0 = Math.abs(extent2[0] - extent[1]);
        var dist1 = Math.abs(extent[0] - extent2[1]);
        if (Math.min(dist0, dist1) > maxTv2.len()) {
          if (dist0 < dist1) {
            Point.scale(maxTv2, axis, -dist0 * inverse);
          } else {
            Point.scale(maxTv2, axis, dist1 * inverse);
          }
        }
      } else if (minTv2) {
        var dist0 = Math.abs(extent2[0] - extent[1]);
        var dist1 = Math.abs(extent[0] - extent2[1]);
        if (Math.min(dist0, dist1) < minTv2.len()) {
          if (dist0 < dist1) {
            Point.scale(minTv2, axis, dist0 * inverse);
          } else {
            Point.scale(minTv2, axis, -dist1 * inverse);
          }
        }
      }
    }
    return overlapped;
  };
  OrientedBoundingRect2.prototype._getProjMinMaxOnAxis = function(dim, corners, out) {
    var axis = this._axes[dim];
    var origin = this._origin;
    var proj = corners[0].dot(axis) + origin[dim];
    var min = proj;
    var max = proj;
    for (var i = 1; i < corners.length; i++) {
      var proj_1 = corners[i].dot(axis) + origin[dim];
      min = Math.min(proj_1, min);
      max = Math.max(proj_1, max);
    }
    out[0] = min;
    out[1] = max;
  };
  return OrientedBoundingRect2;
}();
var OrientedBoundingRect$1 = OrientedBoundingRect;
export { OrientedBoundingRect$1 as default };