mirror of
https://github.com/Ellpeck/MLEM.git
synced 2024-11-22 20:58:34 +01:00
64 lines
2.9 KiB
C#
64 lines
2.9 KiB
C#
using Microsoft.Xna.Framework;
|
|
using MLEM.Misc;
|
|
using NUnit.Framework;
|
|
|
|
namespace Tests;
|
|
|
|
public class DirectionTests {
|
|
|
|
[Test]
|
|
public void TestDirections() {
|
|
Assert.AreEqual(new Vector2(0.5F, 0.5F).ToDirection(), Direction2.DownRight);
|
|
Assert.AreEqual(new Vector2(0.25F, 0.5F).ToDirection(), Direction2.DownRight);
|
|
Assert.AreEqual(new Vector2(0.15F, 0.5F).ToDirection(), Direction2.Down);
|
|
}
|
|
|
|
[Test]
|
|
public void Test90Directions() {
|
|
Assert.AreEqual(new Vector2(0.75F, 0.5F).To90Direction(), Direction2.Right);
|
|
Assert.AreEqual(new Vector2(0.5F, 0.5F).To90Direction(), Direction2.Down);
|
|
Assert.AreEqual(new Vector2(0.25F, 0.5F).To90Direction(), Direction2.Down);
|
|
}
|
|
|
|
[Test]
|
|
public void TestRotations() {
|
|
// rotate cw
|
|
Assert.AreEqual(Direction2.Up.RotateCw(), Direction2.Right);
|
|
Assert.AreEqual(Direction2.Up.RotateCw(true), Direction2.UpRight);
|
|
Assert.AreEqual(Direction2.Left.RotateCw(), Direction2.Up);
|
|
Assert.AreEqual(Direction2.UpLeft.RotateCw(), Direction2.UpRight);
|
|
|
|
// rotate ccw
|
|
Assert.AreEqual(Direction2.Up.RotateCcw(), Direction2.Left);
|
|
Assert.AreEqual(Direction2.Up.RotateCcw(true), Direction2.UpLeft);
|
|
Assert.AreEqual(Direction2.Left.RotateCcw(), Direction2.Down);
|
|
Assert.AreEqual(Direction2.UpLeft.RotateCcw(), Direction2.DownLeft);
|
|
|
|
// rotate 360 degrees
|
|
foreach (var dir in Direction2Helper.AllExceptNone) {
|
|
Assert.AreEqual(DirectionTests.RotateMultipleTimes(dir, true, false, 4), dir);
|
|
Assert.AreEqual(DirectionTests.RotateMultipleTimes(dir, true, true, 8), dir);
|
|
Assert.AreEqual(DirectionTests.RotateMultipleTimes(dir, false, false, 4), dir);
|
|
Assert.AreEqual(DirectionTests.RotateMultipleTimes(dir, false, true, 8), dir);
|
|
}
|
|
|
|
// rotate by with start Up
|
|
Assert.AreEqual(Direction2.Right.RotateBy(Direction2.Right), Direction2.Down);
|
|
Assert.AreEqual(Direction2.Right.RotateBy(Direction2.Down), Direction2.Left);
|
|
Assert.AreEqual(Direction2.Right.RotateBy(Direction2.Left), Direction2.Up);
|
|
Assert.AreEqual(Direction2.Right.RotateBy(Direction2.Up), Direction2.Right);
|
|
|
|
// rotate by with start Left
|
|
Assert.AreEqual(Direction2.Up.RotateBy(Direction2.Right, Direction2.Left), Direction2.Down);
|
|
Assert.AreEqual(Direction2.Up.RotateBy(Direction2.Down, Direction2.Left), Direction2.Left);
|
|
Assert.AreEqual(Direction2.Up.RotateBy(Direction2.Left, Direction2.Left), Direction2.Up);
|
|
Assert.AreEqual(Direction2.Up.RotateBy(Direction2.Up, Direction2.Left), Direction2.Right);
|
|
}
|
|
|
|
private static Direction2 RotateMultipleTimes(Direction2 dir, bool clockwise, bool fortyFiveDegrees, int times) {
|
|
for (var i = 0; i < times; i++)
|
|
dir = clockwise ? dir.RotateCw(fortyFiveDegrees) : dir.RotateCcw(fortyFiveDegrees);
|
|
return dir;
|
|
}
|
|
|
|
}
|