@thewtex/vtk.js-esm/Widgets/Widgets3D/EllipseWidget/behavior.js

Visualization Toolkit for the Web

import _defineProperty from '@babel/runtime/helpers/defineProperty';
import widgetBehavior$1 from '../ShapeWidget/behavior.js';
import { a as subtract, d as dot } from '../../../vendor/gl-matrix/esm/vec3.js';

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
function widgetBehavior(publicAPI, model) {
  // We inherit shapeBehavior
  widgetBehavior$1(publicAPI, model);

  var superClass = _objectSpread({}, publicAPI);

  model.classHierarchy.push('vtkEllipseWidgetProp');

  publicAPI.setCorners = function (point1, point2) {
    if (superClass.setCorners) {
      superClass.setCorners(point1, point2);
    }

    var center = [0.5 * (point1[0] + point2[0]), 0.5 * (point1[1] + point2[1]), 0.5 * (point1[2] + point2[2])];
    var diagonal = [0, 0, 0];
    subtract(diagonal, point2, center);
    var right = model.shapeHandle.getRight();
    var up = model.shapeHandle.getUp();
    var dir = model.shapeHandle.getDirection();
    var rightComponent = dot(diagonal, right);
    var upComponent = dot(diagonal, up);
    var dirComponent = dot(diagonal, dir);
    model.shapeHandle.setOrigin(center);
    model.shapeHandle.setScale3([rightComponent, upComponent, dirComponent]);
  };
}

export default widgetBehavior;