MoonsideGames
/
MoonTools.Easing
1
0
Fork 0
Code Issues Pull Requests Releases 1 Wiki Activity

OutInQuad

master
Evan Hemsley 2019-10-29 17:38:04 -07:00
parent 7ab340380e
commit 8fd678bbb2
2 changed files with 60 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
Easing/Easing.cs
View File

@ -124,5 +124,39 @@ namespace MoonTools.Core.Easing
return -c / 2 * ((t - 1) * (t - 3) - 1) + b;
}
}
// OUT IN QUAD
public static float OutInQuad(float t) => NormalizedTime(OutInQuad, t);
public static float OutInQuad(float time, float start, float end) => TimeRange(OutInQuad, time, start, end);
public static float OutInQuad(float t, float b, float c, float d)
{
CheckTime(t, d);
if (t < d / 2)
{
return OutQuad(t * 2, b, c / 2, d);
}
else
{
return InQuad((t * 2) - d, b + c / 2, c / 2, d);
}
}
public static double OutInQuad(double t) => NormalizedTime(OutInQuad, t);
public static double OutInQuad(double time, double start, double end) => TimeRange(OutInQuad, time, start, end);
public static double OutInQuad(double t, double b, double c, double d)
{
CheckTime(t, d);
if (t < d / 2)
{
return OutQuad(t * 2, b, c / 2, d);
}
else
{
return InQuad((t * 2) - d, b + c / 2, c / 2, d);
}
}
}
}

26
Test/Easing.cs
View File

@ -123,5 +123,31 @@ namespace Test
Easing.InOutQuad(4.0, 2, 6).Should().Be(4);
Easing.InOutQuad(5.0, 2, 6).Should().Be(5.5);
}
[Test]
public void OutInQuad()
{
Easing.OutInQuad(0.25f).Should().Be(0.375f);
Easing.OutInQuad(0.5f).Should().Be(0.5f);
Easing.OutInQuad(0.75f).Should().Be(0.625f);
Action invalidTime = () => Easing.OutInQuad(1.5f);
invalidTime.Should().Throw<ArgumentException>();
Easing.OutInQuad(0.25).Should().Be(0.375);
Easing.OutInQuad(0.5).Should().Be(0.5);
Easing.OutInQuad(0.75).Should().Be(0.625);
Easing.OutInQuad(3, 2, 6).Should().Be(3.5f);
Easing.OutInQuad(4, 2, 6).Should().Be(4f);
Easing.OutInQuad(5, 2, 6).Should().Be(4.5f);
invalidTime = () => Easing.OutInQuad(7, 2, 6);
invalidTime.Should().Throw<ArgumentException>();
Easing.OutInQuad(3.0, 2, 6).Should().Be(3.5);
Easing.OutInQuad(4.0, 2, 6).Should().Be(4);
Easing.OutInQuad(5.0, 2, 6).Should().Be(4.5);
}
}
}