Triangle2D.GetHashCode Method

Triangle2D GetHashCode Method

Delta Engine Documentation

Namespace: DeltaEngine.Rendering2D.Shapes
Assembly: DeltaEngine.Rendering2D.Shapes (in DeltaEngine.Rendering2D.Shapes.dll) Version: 1.1.1.0 (1.1.1)

Syntax

C++

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public override int GetHashCode()

public override int GetHashCode()

Public Overrides Function GetHashCode As Integer

Public Overrides Function GetHashCode As Integer

public:
virtual int GetHashCode() override

public:
virtual int GetHashCode() override

abstract GetHashCode : unit -> int 
override GetHashCode : unit -> int

abstract GetHashCode : unit -> int 
override GetHashCode : unit -> int

Return Value

Type: Int32

Remarks

Tests: DeltaEngine.Rendering2D.Shapes.Tests.Triangle2DTests

Examples

1 unit tests call DeltaEngine.Rendering2D.Shapes.Triangle2D.GetHashCode

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[Test]
public void GetHashCodeViaDictionary()
{
    var triangle1 = new Triangle2D(new Vector2D(1, 2), new Vector2D(3, 4), new Vector2D(5, 6));
    var triangle1Similar = new Triangle2D(new Vector2D(1, 2), new Vector2D(3, 4),
        new Vector2D(15, 16));
    var triangle2 = new Triangle2D(new Vector2D(11, 12), new Vector2D(13, 14),
        new Vector2D(15, 16));
    var triangles = new Dictionary<Triangle2D, int> { { triangle1, 1 }, { triangle2, 2 } };
    Assert.IsTrue(triangles.ContainsKey(triangle1));
    Assert.IsTrue(triangles.ContainsKey(triangle2));
    Assert.IsFalse(
        triangles.ContainsKey(new Triangle2D(new Vector2D(1, 2), new Vector2D(3, 4),
            new Vector2D(5, 7))));
    Assert.AreNotEqual(triangle1.GetHashCode(), triangle1Similar.GetHashCode());
}

[Test]
public void GetHashCodeViaDictionary()
{
    var triangle1 = new Triangle2D(new Vector2D(1, 2), new Vector2D(3, 4), new Vector2D(5, 6));
    var triangle1Similar = new Triangle2D(new Vector2D(1, 2), new Vector2D(3, 4),
        new Vector2D(15, 16));
    var triangle2 = new Triangle2D(new Vector2D(11, 12), new Vector2D(13, 14),
        new Vector2D(15, 16));
    var triangles = new Dictionary<Triangle2D, int> { { triangle1, 1 }, { triangle2, 2 } };
    Assert.IsTrue(triangles.ContainsKey(triangle1));
    Assert.IsTrue(triangles.ContainsKey(triangle2));
    Assert.IsFalse(
        triangles.ContainsKey(new Triangle2D(new Vector2D(1, 2), new Vector2D(3, 4),
            new Vector2D(5, 7))));
    Assert.AreNotEqual(triangle1.GetHashCode(), triangle1Similar.GetHashCode());
}