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