1/* 2 * Copyright (c) 2022 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 16export function distance(x1: number, y1: number, x2: number, y2: number): number { 17 let dstX = x1 - x2; 18 let dstY = y1 - y2; 19 return Math.sqrt(dstX * dstX + dstY * dstY); 20} 21 22export function clamp(num: number, min: number, max: number): number { 23 return Math.min(Math.max(num, min), max); 24}