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 16export default class Constants { 17 // N-Body程序 模拟时间步骤数 18 public static readonly TIME_STEPS_TASK_POOL: number = 5000000; 19 public static readonly TIME_STEPS_WORKER: number = 50000000; 20 // 数学π 21 public static readonly PI: number = Math.PI; 22 // 太阳质量系数 23 public static readonly SOLAR_MASS: number = 4 * Constants.PI * Constants.PI; 24 // 一年的天数 25 public static readonly DAYS_PER_YEAR: number = 365.24; 26 // 木星的位置、速度和质量，相对于太阳 27 public static readonly JUPITER_X: number = 4.84143144246472090e+00; 28 public static readonly JUPITER_Y: number = -1.16032004402742839e+00; 29 public static readonly JUPITER_Z: number = -1.03622044471123109e-01; 30 public static readonly JUPITER_VX: number = 1.66007664274403694e-03 * Constants.DAYS_PER_YEAR; 31 public static readonly JUPITER_VY: number = 7.69901118419740425e-03 * Constants.DAYS_PER_YEAR; 32 public static readonly JUPITER_VZ: number = -6.90460016972063023e-05 * Constants.DAYS_PER_YEAR; 33 public static readonly JUPITER_MASS: number = 9.54791938424326609e-04 * Constants.SOLAR_MASS; 34 // 土星的位置、速度和质量 35 public static readonly SATURN_X: number = 8.34336671824457987e+00; 36 public static readonly SATURN_Y: number = 4.12479856412430479e+00; 37 public static readonly SATURN_Z: number = -4.03523417114321381e-01; 38 public static readonly SATURN_VX: number = -2.76742510726862411e-03 * Constants.DAYS_PER_YEAR; 39 public static readonly SATURN_VY: number = 4.99852801234917238e-03 * Constants.DAYS_PER_YEAR; 40 public static readonly SATURN_VZ: number = 2.30417297573763929e-05 * Constants.DAYS_PER_YEAR; 41 public static readonly SATURN_MASS: number = 2.85885980666130812e-04 * Constants.SOLAR_MASS; 42 // 天王星的位置、速度和质量 43 public static readonly URANUS_X: number = 1.28943695621391310e+01; 44 public static readonly URANUS_Y: number = -1.51111514016986312e+01; 45 public static readonly URANUS_Z: number = -2.23307578892655734e-01; 46 public static readonly URANUS_VX: number = 2.96460137564761618e-03 * Constants.DAYS_PER_YEAR; 47 public static readonly URANUS_VY: number = 2.37847173959480950e-03 * Constants.DAYS_PER_YEAR; 48 public static readonly URANUS_VZ: number = -2.96589568540237556e-05 * Constants.DAYS_PER_YEAR; 49 public static readonly URANUS_MASS: number = 4.36624404335156298e-05 * Constants.SOLAR_MASS; 50 // 海王星的位置、速度和质量 51 public static readonly NEPTUNE_X: number = 1.53796971148509165e+01; 52 public static readonly NEPTUNE_Y: number = -2.59193146099879641e+01; 53 public static readonly NEPTUNE_Z: number = 1.79258772950371181e-01; 54 public static readonly NEPTUNE_VX: number = 2.68067772490389322e-03 * Constants.DAYS_PER_YEAR; 55 public static readonly NEPTUNE_VY: number = 1.62824170038242295e-03 * Constants.DAYS_PER_YEAR; 56 public static readonly NEPTUNE_VZ: number = -9.51592254519715870e-05 * Constants.DAYS_PER_YEAR; 57 public static readonly NEPTUNE_MASS: number = 5.15138902046611451e-05 * Constants.SOLAR_MASS; 58} 59