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Add unit tests for Geometry.Rotate(Vector2).

Fixes #20.

GitOrigin-RevId: 45cd5e99a2
master
Colin McMillen 4 years ago
parent
commit
a32ef2a0eb
  1. 35
      SharedTests/GeometryTests.cs

35
SharedTests/GeometryTests.cs

@ -5,6 +5,41 @@ using System;
namespace SemiColinGames.Tests {
[TestClass]
public class GeometryTests {
public void AssertVectorsAreEqual(Vector2 v1, Vector2 v2) {
Assert.AreEqual(v1.X, v2.X, 1e-5);
Assert.AreEqual(v1.Y, v2.Y, 1e-5);
}
[TestMethod]
public void TestVector2Rotate() {
Vector2 v = new Vector2(10, 0);
AssertVectorsAreEqual(new Vector2(10, 0), v.Rotate(FMath.DegToRad(0)));
AssertVectorsAreEqual(new Vector2(0, 10), v.Rotate(FMath.DegToRad(90)));
AssertVectorsAreEqual(new Vector2(-10, 0), v.Rotate(FMath.DegToRad(180)));
AssertVectorsAreEqual(new Vector2(0, -10), v.Rotate(FMath.DegToRad(270)));
AssertVectorsAreEqual(new Vector2(10, 0), v.Rotate(FMath.DegToRad(360)));
AssertVectorsAreEqual(new Vector2(0, 10), v.Rotate(FMath.DegToRad(450)));
AssertVectorsAreEqual(new Vector2(0, -10), v.Rotate(FMath.DegToRad(-90)));
AssertVectorsAreEqual(new Vector2(-10, 0), v.Rotate(FMath.DegToRad(-180)));
AssertVectorsAreEqual(new Vector2(0, 10), v.Rotate(FMath.DegToRad(-270)));
AssertVectorsAreEqual(new Vector2(10, 0), v.Rotate(FMath.DegToRad(-360)));
AssertVectorsAreEqual(new Vector2(0, -10), v.Rotate(FMath.DegToRad(-450)));
AssertVectorsAreEqual(new Vector2(7.0710678f, 7.0710678f), v.Rotate(FMath.DegToRad(45)));
AssertVectorsAreEqual(new Vector2(8.6602540f, 5f), v.Rotate(FMath.DegToRad(30)));
AssertVectorsAreEqual(new Vector2(5f, 8.6602540f), v.Rotate(FMath.DegToRad(60)));
AssertVectorsAreEqual(new Vector2(-5f, 8.6602540f), v.Rotate(FMath.DegToRad(120)));
AssertVectorsAreEqual(new Vector2(-8.6602540f, 5f), v.Rotate(FMath.DegToRad(150)));
AssertVectorsAreEqual(new Vector2(7.0710678f, -7.0710678f), v.Rotate(FMath.DegToRad(-45)));
AssertVectorsAreEqual(new Vector2(8.6602540f, -5f), v.Rotate(FMath.DegToRad(-30)));
AssertVectorsAreEqual(new Vector2(5f, -8.6602540f), v.Rotate(FMath.DegToRad(-60)));
AssertVectorsAreEqual(new Vector2(-5f, -8.6602540f), v.Rotate(FMath.DegToRad(-120)));
AssertVectorsAreEqual(new Vector2(-8.6602540f, -5f), v.Rotate(FMath.DegToRad(-150)));
}
[TestMethod]
public void TestIntersectSegmentNotColliding() {
AABB box = new AABB(new Vector2(0, 0), new Vector2(8, 8));

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