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using System;
using MonoGame.Extended.Particles.Profiles;
using Xunit;
namespace MonoGame.Extended.Tests.Particles.Profiles
{
public class RingProfileTests
{
[Fact]
public void ReturnsOffsetEqualToRadius()
{
var subject = new RingProfile
{
Radius = 10f
};
subject.GetOffsetAndHeading(out var offset, out _);
var length = Math.Sqrt(offset.X * offset.X + offset.Y * offset.Y);
Assert.Equal(10f, length, 6);
}
[Fact]
public void WhenRadiateIsTrue_HeadingIsEqualToNormalizedOffset()
{
var subject = new RingProfile
{
Radius = 10f,
Radiate = Profile.CircleRadiation.Out
};
subject.GetOffsetAndHeading(out var offset, out var heading);
Assert.Equal(heading.X, offset.X / 10, 6);
Assert.Equal(heading.Y, offset.Y / 10, 6);
}
}
}
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