1/* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16import assert = require('assert'); 17 18class Grid { 19 static origin = {x: 3, y: 4}; 20 21 calculateDistanceFromOrigin(point: { x: number; y: number; }): number { 22 let xDist = (point.x - Grid.origin.x); 23 let yDist = (point.y - Grid.origin.y); 24 return (xDist * xDist + yDist * yDist) / this.scale; 25 } 26 27 constructor(public scale: number) { 28 } 29} 30 31const grid1 = new Grid(1.0); // 1x scale 32const grid2 = new Grid(5.0); // 5x scale 33 34assert(grid1.calculateDistanceFromOrigin({x: 10, y: 10}) === 85, 'success'); 35assert(grid2.calculateDistanceFromOrigin({x: 10, y: 10}) === 17, 'success');