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MoonTools.Easing
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quartic functions

master
Evan Hemsley 2019-10-30 16:24:47 -07:00
parent 71a269c36f
commit b9e424fbd6
2 changed files with 226 additions and 0 deletions
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114
Easing/Easing.cs
View File

@ -274,5 +274,119 @@ namespace MoonTools.Core.Easing
return InCubic((t * 2) - d, b + c / 2, c / 2, d);
}
}
// IN QUARTIC
public static float InQuart(float t) => NormalizedTime(InQuart, t);
public static float InQuart(float time, float start, float end) => TimeRange(InQuart, time, start, end);
public static float InQuart(float t, float b, float c, float d)
{
CheckTime(t, d);
t = t / d;
return c * (t * t * t * t) + b;
}
public static double InQuart(double t) => NormalizedTime(InQuart, t);
public static double InQuart(double time, double start, double end) => TimeRange(InQuart, time, start, end);
public static double InQuart(double t, double b, double c, double d)
{
CheckTime(t, d);
t = t / d;
return c * (t * t * t * t) + b;
}
// OUT QUARTIC
public static float OutQuart(float t) => NormalizedTime(OutQuart, t);
public static float OutQuart(float time, float start, float end) => TimeRange(OutQuart, time, start, end);
public static float OutQuart(float t, float b, float c, float d)
{
CheckTime(t, d);
t = t / d - 1;
return -c * ((t * t * t * t) - 1) + b;
}
public static double OutQuart(double t) => NormalizedTime(OutQuart, t);
public static double OutQuart(double time, double start, double end) => TimeRange(OutQuart, time, start, end);
public static double OutQuart(double t, double b, double c, double d)
{
CheckTime(t, d);
t = t / d - 1;
return -c * ((t * t * t * t) - 1) + b;
}
// IN OUT QUARTIC
public static float InOutQuart(float t) => NormalizedTime(InOutQuart, t);
public static float InOutQuart(float time, float start, float end) => TimeRange(InOutQuart, time, start, end);
public static float InOutQuart(float t, float b, float c, float d)
{
CheckTime(t, d);
t = t / d * 2;
if (t < 1)
{
return c / 2 * (t * t * t * t) + b;
}
else
{
t = t - 2;
return -c / 2 * ((t * t * t * t) - 2) + b;
}
}
public static double InOutQuart(double t) => NormalizedTime(InOutQuart, t);
public static double InOutQuart(double time, double start, double end) => TimeRange(InOutQuart, time, start, end);
public static double InOutQuart(double t, double b, double c, double d)
{
CheckTime(t, d);
t = t / d * 2;
if (t < 1)
{
return c / 2 * (t * t * t * t) + b;
}
else
{
t = t - 2;
return -c / 2 * ((t * t * t * t) - 2) + b;
}
}
// OUT IN QUARTIC
public static float OutInQuart(float t) => NormalizedTime(OutInQuart, t);
public static float OutInQuart(float time, float start, float end) => TimeRange(OutInQuart, time, start, end);
public static float OutInQuart(float t, float b, float c, float d)
{
if (t < d / 2)
{
return OutQuart(t * 2, b, c / 2, d);
}
else
{
return InQuart((t * 2) - d, b + c / 2, c / 2, d);
}
}
public static double OutInQuart(double t) => NormalizedTime(OutInQuart, t);
public static double OutInQuart(double time, double start, double end) => TimeRange(OutInQuart, time, start, end);
public static double OutInQuart(double t, double b, double c, double d)
{
if (t < d / 2)
{
return OutQuart(t * 2, b, c / 2, d);
}
else
{
return InQuart((t * 2) - d, b + c / 2, c / 2, d);
}
}
}
}

112
Test/Easing.cs
View File

@ -153,6 +153,62 @@ namespace Test
CheckFloatArguments(Easing.OutInCubic, Easing.OutInCubic);
}
[Test]
public void InQuartic()
{
Easing.InQuart(0.25f).Should().Be(0.00390625f);
Easing.InQuart(0.5f).Should().Be(0.0625f);
Easing.InQuart(0.75f).Should().Be(0.31640625f);
Easing.InQuart(3, 2, 6).Should().Be(2.015625f);
Easing.InQuart(4, 2, 6).Should().Be(2.25f);
Easing.InQuart(5, 2, 6).Should().Be(3.265625f);
CheckFloatArguments(Easing.InQuart, Easing.InQuart);
}
[Test]
public void OutQuartic()
{
Easing.OutQuart(0.25f).Should().Be(0.68359375f);
Easing.OutQuart(0.5f).Should().Be(0.9375f);
Easing.OutQuart(0.75f).Should().Be(0.99609375f);
Easing.OutQuart(3, 2, 6).Should().Be(4.734375f);
Easing.OutQuart(4, 2, 6).Should().Be(5.75f);
Easing.OutQuart(5, 2, 6).Should().Be(5.984375f);
CheckFloatArguments(Easing.OutQuart, Easing.OutQuart);
}
[Test]
public void InOutQuartic()
{
Easing.InOutQuart(0.25f).Should().Be(0.03125f);
Easing.InOutQuart(0.5f).Should().Be(0.5f);
Easing.InOutQuart(0.75f).Should().Be(0.96875f);
Easing.InOutQuart(3, 2, 6).Should().Be(2.125f);
Easing.InOutQuart(4, 2, 6).Should().Be(4f);
Easing.InOutQuart(5, 2, 6).Should().Be(5.875f);
CheckFloatArguments(Easing.InOutQuart, Easing.InOutQuart);
}
[Test]
public void OutInQuartic()
{
Easing.OutInQuart(0.25f).Should().Be(0.46875f);
Easing.OutInQuart(0.5f).Should().Be(0.5f);
Easing.OutInQuart(0.75f).Should().Be(0.53125f);
Easing.OutInQuart(3, 2, 6).Should().Be(3.875f);
Easing.OutInQuart(4, 2, 6).Should().Be(4f);
Easing.OutInQuart(5, 2, 6).Should().Be(4.125f);
CheckFloatArguments(Easing.OutInQuart, Easing.OutInQuart);
}
}
public class DoubleTests
@ -282,6 +338,62 @@ namespace Test
CheckDoubleArguments(Easing.OutInCubic, Easing.OutInCubic);
}
[Test]
public void InQuartic()
{
Easing.InQuart(0.25).Should().Be(0.00390625);
Easing.InQuart(0.5).Should().Be(0.0625);
Easing.InQuart(0.75).Should().Be(0.31640625);
Easing.InQuart(3.0, 2, 6).Should().Be(2.015625);
Easing.InQuart(4.0, 2, 6).Should().Be(2.25);
Easing.InQuart(5.0, 2, 6).Should().Be(3.265625);
CheckDoubleArguments(Easing.InQuart, Easing.InQuart);
}
[Test]
public void OutQuartic()
{
Easing.OutQuart(0.25).Should().Be(0.68359375);
Easing.OutQuart(0.5).Should().Be(0.9375);
Easing.OutQuart(0.75).Should().Be(0.99609375);
Easing.OutQuart(3.0, 2, 6).Should().Be(4.734375);
Easing.OutQuart(4.0, 2, 6).Should().Be(5.75);
Easing.OutQuart(5.0, 2, 6).Should().Be(5.984375);
CheckDoubleArguments(Easing.OutQuart, Easing.OutQuart);
}
[Test]
public void InOutQuartic()
{
Easing.InOutQuart(0.25).Should().Be(0.03125);
Easing.InOutQuart(0.5).Should().Be(0.5);
Easing.InOutQuart(0.75).Should().Be(0.96875);
Easing.InOutQuart(3.0, 2, 6).Should().Be(2.125);
Easing.InOutQuart(4.0, 2, 6).Should().Be(4);
Easing.InOutQuart(5.0, 2, 6).Should().Be(5.875);
CheckDoubleArguments(Easing.InOutQuart, Easing.InOutQuart);
}
[Test]
public void OutInQuartic()
{
Easing.OutInQuart(0.25).Should().Be(0.46875);
Easing.OutInQuart(0.5).Should().Be(0.5);
Easing.OutInQuart(0.75).Should().Be(0.53125);
Easing.OutInQuart(3.0, 2, 6).Should().Be(3.875);
Easing.OutInQuart(4.0, 2, 6).Should().Be(4);
Easing.OutInQuart(5.0, 2, 6).Should().Be(4.125);
CheckFloatArguments(Easing.OutInQuart, Easing.OutInQuart);
}
}
}
}