mirror of
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85 lines
2.5 KiB
C#
85 lines
2.5 KiB
C#
/*
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* Copyright 2020 faddenSoft
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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namespace PluginCommon {
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/// <summary>
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/// Simple 3-element column vector. Immutable.
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/// </summary>
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public class Vector3 {
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public double X {
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get { return mX; }
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private set { mX = value; }
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}
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public double Y {
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get { return mY; }
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private set { mY = value; }
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}
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public double Z {
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get { return mZ; }
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private set { mZ = value; }
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}
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private double mX, mY, mZ;
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public Vector3(double x, double y, double z) {
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mX = x;
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mY = y;
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mZ = z;
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}
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public double Magnitude() {
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return Math.Sqrt(X * X + Y * Y + Z * Z);
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}
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public Vector3 Normalize() {
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double len_r = 1.0 / Magnitude();
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return new Vector3(mX * len_r, mY * len_r, mZ * len_r);
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}
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public Vector3 Multiply(double sc) {
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return new Vector3(mX * sc, mY * sc, mZ * sc);
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}
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public Vector3 Add(Vector3 vec) {
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return new Vector3(mX + vec.X, mY + vec.Y, mZ + vec.Z);
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}
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public static Vector3 Add(Vector3 v0, Vector3 v1) {
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return new Vector3(v0.X + v1.X, v0.Y + v1.Y, v0.Z + v1.Z);
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}
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public static Vector3 Subtract(Vector3 v0, Vector3 v1) {
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return new Vector3(v0.X - v1.X, v0.Y - v1.Y, v0.Z - v1.Z);
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}
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public static Vector3 Cross(Vector3 v0, Vector3 v1) {
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return new Vector3(
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v0.Y * v1.Z - v0.Z * v1.Y,
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v0.Z * v1.X - v0.X * v1.Z,
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v0.X * v1.Y - v0.Y * v1.X);
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}
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public static double Dot(Vector3 v0, Vector3 v1) {
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return v0.X * v1.X + v0.Y * v1.Y + v0.Z * v1.Z;
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}
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public override string ToString() {
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return string.Format("|{0,8:N3} {1,8:N3} {2,8:N3}|", X, Y, Z);
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}
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}
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}
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