13af6ab5fSopenharmony_ci/*
23af6ab5fSopenharmony_ci * Copyright (c) 2023 Huawei Device Co., Ltd.
33af6ab5fSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
43af6ab5fSopenharmony_ci * you may not use this file except in compliance with the License.
53af6ab5fSopenharmony_ci * You may obtain a copy of the License at
63af6ab5fSopenharmony_ci *
73af6ab5fSopenharmony_ci *     http://www.apache.org/licenses/LICENSE-2.0
83af6ab5fSopenharmony_ci *
93af6ab5fSopenharmony_ci * Unless required by applicable law or agreed to in writing, software
103af6ab5fSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
113af6ab5fSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
123af6ab5fSopenharmony_ci * See the License for the specific language governing permissions and
133af6ab5fSopenharmony_ci * limitations under the License.
143af6ab5fSopenharmony_ci */
153af6ab5fSopenharmony_ci
163af6ab5fSopenharmony_ciimport assert = require('assert');
173af6ab5fSopenharmony_ci
183af6ab5fSopenharmony_ciclass Grid {
193af6ab5fSopenharmony_ci  static origin = {x: 3, y: 4};
203af6ab5fSopenharmony_ci
213af6ab5fSopenharmony_ci  calculateDistanceFromOrigin(point: { x: number; y: number; }): number {
223af6ab5fSopenharmony_ci    let xDist = (point.x - Grid.origin.x);
233af6ab5fSopenharmony_ci    let yDist = (point.y - Grid.origin.y);
243af6ab5fSopenharmony_ci    return (xDist * xDist + yDist * yDist) / this.scale;
253af6ab5fSopenharmony_ci  }
263af6ab5fSopenharmony_ci
273af6ab5fSopenharmony_ci  constructor(public scale: number) {
283af6ab5fSopenharmony_ci  }
293af6ab5fSopenharmony_ci}
303af6ab5fSopenharmony_ci
313af6ab5fSopenharmony_ciconst grid1 = new Grid(1.0);  // 1x scale
323af6ab5fSopenharmony_ciconst grid2 = new Grid(5.0);  // 5x scale
333af6ab5fSopenharmony_ci
343af6ab5fSopenharmony_ciassert(grid1.calculateDistanceFromOrigin({x: 10, y: 10}) === 85, 'success');
353af6ab5fSopenharmony_ciassert(grid2.calculateDistanceFromOrigin({x: 10, y: 10}) === 17, 'success');