Vector2D.Rotate Method

Vector2D Rotate Method

Delta Engine Documentation

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

Syntax

public Vector2D Rotate(
	float angleInDegrees
)

public Vector2D Rotate(
	float angleInDegrees
)

Public Function Rotate ( 
	angleInDegrees As Single
) As Vector2D

Public Function Rotate ( 
	angleInDegrees As Single
) As Vector2D

public:
Vector2D Rotate(
	float angleInDegrees
)

public:
Vector2D Rotate(
	float angleInDegrees
)

member Rotate : 
        angleInDegrees : float32 -> Vector2D

member Rotate : 
        angleInDegrees : float32 -> Vector2D

Parameters

angleInDegrees: Type: System Single

Return Value

Type: Vector2D

Remarks

Tests: DeltaEngine.Tests.Datatypes.Vector2DTests

Examples

2 unit tests call DeltaEngine.Datatypes.Vector2D.Rotate(System.Single)

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[Test]
public void Rotate()
{
    Assert.IsTrue(Vector2D.UnitX.Rotate(90.0f).IsNearlyEqual(Vector2D.UnitY));
    Assert.IsTrue(Vector2D.UnitX.Rotate(-90.0f).IsNearlyEqual(-Vector2D.UnitY));
    Assert.IsTrue(Vector2D.UnitY.Rotate(-90.0f).IsNearlyEqual(Vector2D.UnitX));
}

[Test]
public void Rotate()
{
    Assert.IsTrue(Vector2D.UnitX.Rotate(90.0f).IsNearlyEqual(Vector2D.UnitY));
    Assert.IsTrue(Vector2D.UnitX.Rotate(-90.0f).IsNearlyEqual(-Vector2D.UnitY));
    Assert.IsTrue(Vector2D.UnitY.Rotate(-90.0f).IsNearlyEqual(Vector2D.UnitX));
}

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[Test]
public void RotateAround()
{
    Assert.IsTrue(Vector2D.UnitX.RotateAround(Vector2D.Zero, 90.0f).IsNearlyEqual(Vector2D.UnitY));
    Assert.IsTrue(
        Vector2D.UnitY.RotateAround(new Vector2D(0.0f, 0.5f), 180.0f).IsNearlyEqual(Vector2D.Zero));
}

[Test]
public void RotateAround()
{
    Assert.IsTrue(Vector2D.UnitX.RotateAround(Vector2D.Zero, 90.0f).IsNearlyEqual(Vector2D.UnitY));
    Assert.IsTrue(
        Vector2D.UnitY.RotateAround(new Vector2D(0.0f, 0.5f), 180.0f).IsNearlyEqual(Vector2D.Zero));
}