247 lines
7.6 KiB
C#
247 lines
7.6 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2019 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using NUnit.Framework;
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using OpenRA.Mods.Common.HitShapes;
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namespace OpenRA.Test
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{
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[TestFixture]
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public class ShapeTest
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{
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IHitShape shape;
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[TestCase(TestName = "CircleShape reports accurate distance")]
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public void Circle()
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{
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shape = new CircleShape(new WDist(1234));
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shape.Initialize();
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Assert.That(shape.DistanceFromEdge(new WVec(100, 100, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(1000, 0, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(2000, 2000, 0)).Length,
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Is.EqualTo(1594));
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Assert.That(new CircleShape(new WDist(73))
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.DistanceFromEdge(new WVec(150, -100, 0)).Length,
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Is.EqualTo(107));
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Assert.That(new CircleShape(new WDist(55))
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.DistanceFromEdge(new WVec(30, -45, 0)).Length,
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Is.EqualTo(0));
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}
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[TestCase(TestName = "CapsuleShape report accurate distance")]
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public void Capsule()
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{
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shape = new CapsuleShape(new int2(-50, 0), new int2(500, 235), new WDist(50));
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shape.Initialize();
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Assert.That(shape.DistanceFromEdge(new WVec(300, 100, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-50, 0, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(518, 451, 0)).Length,
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Is.EqualTo(166));
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Assert.That(shape.DistanceFromEdge(new WVec(-50, -50, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-41, 97, 0)).Length,
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Is.EqualTo(35));
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Assert.That(shape.DistanceFromEdge(new WVec(339, 41, 0)).Length,
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Is.EqualTo(64));
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}
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[TestCase(TestName = "RectangleShape report accurate distance")]
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public void Rectangle()
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{
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shape = new RectangleShape(new int2(-123, -456), new int2(100, 100));
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shape.Initialize();
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Assert.That(shape.DistanceFromEdge(new WVec(10, 10, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-100, 50, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(0, 200, 0)).Length,
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Is.EqualTo(100));
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Assert.That(shape.DistanceFromEdge(new WVec(123, 0, 0)).Length,
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Is.EqualTo(24));
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Assert.That(shape.DistanceFromEdge(new WVec(-100, -400, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-1000, -400, 0)).Length,
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Is.EqualTo(877));
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}
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[TestCase(TestName = "PolygonShape report accurate distance")]
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public void Polygon()
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{
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// Rectangle like above,
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// Note: The calculations don't match for all, but do have a tolerance of 1.
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shape = new PolygonShape(new int2[] { new int2(-123, -456), new int2(100, -456), new int2(100, 100), new int2(-123, 100) });
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shape.Initialize();
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Assert.That(shape.DistanceFromEdge(new WVec(10, 10, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-100, 50, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(0, 200, 0)).Length,
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Is.EqualTo(100));
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Assert.That(shape.DistanceFromEdge(new WVec(123, 0, 0)).Length,
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Is.EqualTo(23));
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Assert.That(shape.DistanceFromEdge(new WVec(-100, -400, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-1000, -400, 0)).Length,
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Is.EqualTo(877));
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// Rectangle like above but reverse order
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// Note: The calculations don't match for all, but do have a tolerance of 1.
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shape = new PolygonShape(new int2[] { new int2(-123, 100), new int2(100, 100), new int2(100, -456), new int2(-123, -456) });
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shape.Initialize();
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Assert.That(shape.DistanceFromEdge(new WVec(10, 10, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-100, 50, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(0, 200, 0)).Length,
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Is.EqualTo(100));
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Assert.That(shape.DistanceFromEdge(new WVec(123, 0, 0)).Length,
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Is.EqualTo(23));
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Assert.That(shape.DistanceFromEdge(new WVec(-100, -400, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-1000, -400, 0)).Length,
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Is.EqualTo(877));
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// Right triangle taken from above by removing a point
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shape = new PolygonShape(new int2[] { new int2(-123, -456), new int2(100, -456), new int2(100, 100) });
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shape.Initialize();
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Assert.That(shape.DistanceFromEdge(new WVec(10, 10, 0)).Length,
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Is.EqualTo(50));
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Assert.That(shape.DistanceFromEdge(new WVec(99, 10, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(100, 10, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-100, 50, 0)).Length,
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Is.EqualTo(167));
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Assert.That(shape.DistanceFromEdge(new WVec(0, 200, 0)).Length,
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Is.EqualTo(141));
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Assert.That(shape.DistanceFromEdge(new WVec(123, 0, 0)).Length,
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Is.EqualTo(23));
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Assert.That(shape.DistanceFromEdge(new WVec(-100, -400, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-1000, -400, 0)).Length,
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Is.EqualTo(878));
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// Right triangle taken from above but reverse order
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shape = new PolygonShape(new int2[] { new int2(100, 100), new int2(100, -456), new int2(-123, -456) });
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shape.Initialize();
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Assert.That(shape.DistanceFromEdge(new WVec(10, 10, 0)).Length,
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Is.EqualTo(49)); // Differs from above by integer rounding.
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Assert.That(shape.DistanceFromEdge(new WVec(99, 10, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(100, 10, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-100, 50, 0)).Length,
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Is.EqualTo(167));
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Assert.That(shape.DistanceFromEdge(new WVec(0, 200, 0)).Length,
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Is.EqualTo(141));
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Assert.That(shape.DistanceFromEdge(new WVec(123, 0, 0)).Length,
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Is.EqualTo(23));
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Assert.That(shape.DistanceFromEdge(new WVec(-100, -400, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-1000, -400, 0)).Length,
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Is.EqualTo(878));
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// Plus shaped dodecagon
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shape = new PolygonShape(new int2[] {
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new int2(-511, -1535), new int2(511, -1535), new int2(511, -511), new int2(1535, -511),
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new int2(1535, 511), new int2(511, 511), new int2(511, 1535), new int2(-511, 1535),
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new int2(-511, 511), new int2(-1535, 511), new int2(-1535, -511), new int2(-511, -511)
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});
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shape.Initialize();
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Assert.That(shape.DistanceFromEdge(new WVec(10, 10, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-511, -1535, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-512, -1536, 0)).Length,
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Is.EqualTo(1));
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Assert.That(shape.DistanceFromEdge(new WVec(0, -1535, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(0, 1535, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-1535, 0, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(1535, 0, 0)).Length,
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Is.EqualTo(0));
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Assert.That(shape.DistanceFromEdge(new WVec(-1535, -1535, 0)).Length,
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Is.EqualTo(1024));
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Assert.That(shape.DistanceFromEdge(new WVec(1535, -1535, 0)).Length,
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Is.EqualTo(1024));
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Assert.That(shape.DistanceFromEdge(new WVec(-1535, 1535, 0)).Length,
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Is.EqualTo(1024));
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Assert.That(shape.DistanceFromEdge(new WVec(1535, 1535, 0)).Length,
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Is.EqualTo(1024));
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Assert.That(shape.DistanceFromEdge(new WVec(-500, -1635, 0)).Length,
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Is.EqualTo(100));
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}
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}
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}
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