1/* 2 * Copyright (c) 2022-2025 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 { float32 } from "@koalaui/compat" 17 18export class Point3 { 19 x: float32 20 y: float32 21 z: float32 22 constructor(x: float32, y: float32, z: float32) { 23 this.x = x 24 this.y = y 25 this.z = z 26 } 27 28 subtract(value: Point3): Point3 { 29 return new Point3( 30 this.x - value.x, 31 this.y - value.y, 32 this.z - value.z 33 ) 34 } 35 36 cross(value: Point3): Point3 { 37 return new Point3( 38 this.y * value.z - this.z * value.y, 39 this.z * value.x - this.x * value.z, 40 this.x * value.y - this.y * value.x 41 ) 42 } 43 44 normalize(): Point3 { 45 const mag = Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z) as float32 46 const tolerance = (1.0 / (1 << 12)) 47 if (mag < tolerance) { 48 // This semicolon after return this is a workaround for ArkTS bug 49 return this; 50 } 51 return new Point3(this.x / mag, this.y / mag, this.z / mag) 52 } 53}