BoundingBox.Intersect Method

BoundingBox 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.BoundingBoxTests

Examples

5 unit tests call DeltaEngine.Datatypes.BoundingBox.Intersect(DeltaEngine.Datatypes.Ray)

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[Test]
public void IntersectBoundingBoxWithBoundingBox()
{
    var box1 = new BoundingBox(Vector3D.Zero, Vector3D.One);
    var box2 = new BoundingBox(Vector3D.One / 2, Vector3D.One);
    Assert.IsTrue(box1.IsColliding(box2));
    var box3 = new BoundingBox(Vector3D.One * 2, Vector3D.One);
    Assert.IsFalse(box1.IsColliding(box3));
}

[Test]
public void IntersectBoundingBoxWithBoundingBox()
{
    var box1 = new BoundingBox(Vector3D.Zero, Vector3D.One);
    var box2 = new BoundingBox(Vector3D.One / 2, Vector3D.One);
    Assert.IsTrue(box1.IsColliding(box2));
    var box3 = new BoundingBox(Vector3D.One * 2, Vector3D.One);
    Assert.IsFalse(box1.IsColliding(box3));
}

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[Test]
public void IntersectBoundingBoxWithBoundingSphere()
{
    var boundingBox = new BoundingBox(Vector3D.Zero, Vector3D.One);
    var sphere = new BoundingSphere(Vector3D.Zero, 0.5f);
    Assert.IsTrue(boundingBox.IsColliding(sphere));
}

[Test]
public void IntersectBoundingBoxWithBoundingSphere()
{
    var boundingBox = new BoundingBox(Vector3D.Zero, Vector3D.One);
    var sphere = new BoundingSphere(Vector3D.Zero, 0.5f);
    Assert.IsTrue(boundingBox.IsColliding(sphere));
}

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[Test]
public void IntersectBoundingBoxWithRay()
{
    var boundingBox = new BoundingBox(Vector3D.One * -0.5f, Vector3D.One * 0.5f);
    var ray = new Ray(Vector3D.UnitY * 2.0f, -Vector3D.UnitY);
    Assert.AreEqual(new Vector3D(0.0f, 0.5f, 0.0f), boundingBox.Intersect(ray));
}

[Test]
public void IntersectBoundingBoxWithRay()
{
    var boundingBox = new BoundingBox(Vector3D.One * -0.5f, Vector3D.One * 0.5f);
    var ray = new Ray(Vector3D.UnitY * 2.0f, -Vector3D.UnitY);
    Assert.AreEqual(new Vector3D(0.0f, 0.5f, 0.0f), boundingBox.Intersect(ray));
}