Plane.Intersect Method

Plane Intersect Method

Delta Engine Documentation

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

Syntax

public Nullable<Vector3D> Intersect(
	Ray ray
)

public Nullable<Vector3D> Intersect(
	Ray ray
)

Public Function Intersect ( 
	ray As Ray
) As Nullable(Of Vector3D)

Public Function Intersect ( 
	ray As Ray
) As Nullable(Of Vector3D)

public:
Nullable<Vector3D> Intersect(
	Ray ray
)

public:
Nullable<Vector3D> Intersect(
	Ray ray
)

member Intersect : 
        ray : Ray -> Nullable<Vector3D>

member Intersect : 
        ray : Ray -> Nullable<Vector3D>

Parameters

ray: Type: DeltaEngine.Datatypes Ray

Return Value

Type: Nullable Vector3D

Remarks

Tests: DeltaEngine.Tests.Datatypes.PlaneTests

Examples

3 unit tests call DeltaEngine.Datatypes.Plane.Intersect(DeltaEngine.Datatypes.Ray)

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[Test]
public void RayPlaneIntersect()
{
    VerifyIntersectPoint(new Ray(Vector3D.UnitZ, -Vector3D.UnitZ), new Plane(Vector3D.UnitZ, 3.0f),
        -Vector3D.UnitZ * 3.0f);
    VerifyIntersectPoint(new Ray(3 * Vector3D.One, -Vector3D.One),
        new Plane(Vector3D.UnitY, Vector3D.One), Vector3D.One);
}

[Test]
public void RayPlaneIntersect()
{
    VerifyIntersectPoint(new Ray(Vector3D.UnitZ, -Vector3D.UnitZ), new Plane(Vector3D.UnitZ, 3.0f),
        -Vector3D.UnitZ * 3.0f);
    VerifyIntersectPoint(new Ray(3 * Vector3D.One, -Vector3D.One),
        new Plane(Vector3D.UnitY, Vector3D.One), Vector3D.One);
}

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[Test]
public void RayPointingAwayFromPlaneDoesntIntersect()
{
    var ray = new Ray(3 * Vector3D.One, Vector3D.One);
    var plane = new Plane(Vector3D.UnitY, Vector3D.One);
    Assert.IsNull(plane.Intersect(ray));
}

[Test]
public void RayPointingAwayFromPlaneDoesntIntersect()
{
    var ray = new Ray(3 * Vector3D.One, Vector3D.One);
    var plane = new Plane(Vector3D.UnitY, Vector3D.One);
    Assert.IsNull(plane.Intersect(ray));
}

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[Test]
public void RayParallelToPlaneDoesntIntersect()
{
    var ray = new Ray(Vector3D.One, Vector3D.UnitZ);
    var plane = new Plane(Vector3D.UnitY, Vector3D.Zero);
    Assert.IsNull(plane.Intersect(ray));
}

[Test]
public void RayParallelToPlaneDoesntIntersect()
{
    var ray = new Ray(Vector3D.One, Vector3D.UnitZ);
    var plane = new Plane(Vector3D.UnitY, Vector3D.Zero);
    Assert.IsNull(plane.Intersect(ray));
}