MathExtensions Class

Delta Engine Documentation

Extends the System.Math class, but uses floats and provides some extra constants. View code on GitHub

Inheritance Hierarchy

System Object
DeltaEngine.Extensions MathExtensions

Namespace: DeltaEngine.Extensions
Assembly: DeltaEngine (in DeltaEngine.dll) Version: 1.1.1.0 (1.1.1)

Syntax

C++

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public static class MathExtensions

public static class MathExtensions

<ExtensionAttribute> 
Public NotInheritable Class MathExtensions

<ExtensionAttribute> 
Public NotInheritable Class MathExtensions

[ExtensionAttribute]
public ref class MathExtensions abstract sealed

[ExtensionAttribute]
public ref class MathExtensions abstract sealed

[<AbstractClassAttribute>]
[<SealedAttribute>]
type MathExtensions =  class end

[<AbstractClassAttribute>]
[<SealedAttribute>]
type MathExtensions =  class end

The MathExtensions type exposes the following members.

Methods

	Name	Description
	Abs	View code on GitHub
	Acos
	Asin	View code on GitHub
	Atan2
	Clamp(Int32, Int32, Int32)
	Clamp(Single, Single, Single)
	Cos	View code on GitHub
	DegreesToRadians	View code on GitHub
	GetNearestMultiple
	InvSqrt	View code on GitHub
	IsLineIntersectingWith	http://en.wikipedia.org/wiki/Line%E2%80%93line_intersection View code on GitHub
	IsNearlyEqual
	Lerp
	Max(Int32, Int32)
	Max(Single, Single)
	Min(Int32, Int32)
	Min(Single, Single)
	RadiansToDegrees	View code on GitHub
	Round(Single)	View code on GitHub
	Round(Single, Int32)
	Sin	View code on GitHub
	Sqrt	View code on GitHub
	Tan	View code on GitHub
	WrapRotationToMinus180ToPlus180	View code on GitHub

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Fields

	Name	Description
	Epsilon
	Pi

Top

Remarks

Tests: DeltaEngine.Tests.Extensions.MathExtensionsTests

Examples

19 unit tests call DeltaEngine.Extensions.MathExtensions

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[Test]
public void Abs()
{
    Assert.AreEqual(5, MathExtensions.Abs(2) + MathExtensions.Abs(3));
    Assert.AreEqual(5, MathExtensions.Abs(-2) + MathExtensions.Abs(3));
    Assert.AreEqual(5, 2.0f.Abs() + 3.0f.Abs());
    Assert.AreEqual(5, (-2.0f).Abs() + 3.0f.Abs());
}

[Test]
public void Abs()
{
    Assert.AreEqual(5, MathExtensions.Abs(2) + MathExtensions.Abs(3));
    Assert.AreEqual(5, MathExtensions.Abs(-2) + MathExtensions.Abs(3));
    Assert.AreEqual(5, 2.0f.Abs() + 3.0f.Abs());
    Assert.AreEqual(5, (-2.0f).Abs() + 3.0f.Abs());
}

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[Test]
public void IsNearlyEqual()
{
    Assert.IsTrue(2.0f.IsNearlyEqual(2.00001f));
    Assert.IsFalse(2.0f.IsNearlyEqual(2.0002f));
    Assert.IsTrue(MathExtensions.Pi.IsNearlyEqual(3.1415f));
}

[Test]
public void IsNearlyEqual()
{
    Assert.IsTrue(2.0f.IsNearlyEqual(2.00001f));
    Assert.IsFalse(2.0f.IsNearlyEqual(2.0002f));
    Assert.IsTrue(MathExtensions.Pi.IsNearlyEqual(3.1415f));
}

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[Test]
public static void Round()
{
    Assert.AreEqual(1, 1.25f.Round());
    Assert.AreEqual(10, 9.68f.Round());
    Assert.AreEqual(1.23f, 1.2345f.Round(2));
}

[Test]
public static void Round()
{
    Assert.AreEqual(1, 1.25f.Round());
    Assert.AreEqual(10, 9.68f.Round());
    Assert.AreEqual(1.23f, 1.2345f.Round(2));
}