VerticesEngine.Utilities.vxGeometryHelper Class Reference

Collection of Statix Methods which provide helpful Gemoetry Functions. More...

Static Public Member Functions
static BoundingSphere	GetModelBoundingSphere (Model model)
static BoundingBox	GetModelBoundingBox (Model model)
	Gets the model bounding box.
static BoundingBox	GetModelBoundingBox (Model model, Matrix worldTransform)
	Updates a Bounding Box based off of Model Data.
static int	GetModelPrimitiveCount (Model model)
	Gets the Primitive Count for a given Model.
static Vector3	RotatePoint (Matrix InitialMatrix, Vector3 OffsetFromPosition)
	Rotate a Point by a speciefied Matrix.
static Matrix	GetRotatedMatrix (Vector3 InitialPosition, Vector3 OffsetFromPosition, Vector3 Rotation_Local, Vector3 Rotation_Global)
	Returns a Matrix which is rotated first about the origin, then translated and rotated about another axis.
static Matrix	GetRotatedMatrix (Matrix InitialMatrix, Vector3 OffsetFromPosition, Vector3 Rotation_Local)
	Gets the rotated matrix.
static Ray	CalculateCursorRay (Matrix projectionMatrix, Matrix viewMatrix)
	Calculates the cursor ray.
static BoundingBox	TransformBoundingBox (BoundingBox boundingBox, Matrix m)
	Transforms the bounding box.
static IEnumerable< Vector3 >	splitFrustum (float near, float far, Matrix m)
	Splits a Camera frustum.
static IEnumerable< float >	practicalSplitScheme (int numSplits, float n, float f)
	Sets up the Split Scheme for Cascade Shadow Mapping.
static float[]	determineShadowMinMax1D (IEnumerable< float > values, float cam, float desiredSize)
	Determines the shadow minimum max1 d.
static IEnumerable< VertexPositionColorTexture >	fullscreenQuad (Color color, float depth)
	Fullscreens the quad.
static IEnumerable< Vector2 >	poissonKernel ()
	Poissons the kernel.
static IEnumerable< Vector3 >	cubeTriangleList (Vector3[] cubeCorners)
	Cubes the triangle list.
static IEnumerable< Vector4 >	normalizedGridVertices (int width, int height)
	Normalizeds the grid vertices.

Detailed Description

Collection of Statix Methods which provide helpful Gemoetry Functions.

Member Function Documentation

CalculateCursorRay()

static Ray VerticesEngine.Utilities.vxGeometryHelper.CalculateCursorRay ( Matrix projectionMatrix, Matrix viewMatrix )

static

Calculates the cursor ray.

Returns

The cursor ray.

Parameters

projectionMatrix	Projection matrix.
viewMatrix	View matrix.

cubeTriangleList()

static IEnumerable< Vector3 > VerticesEngine.Utilities.vxGeometryHelper.cubeTriangleList ( Vector3[] cubeCorners )

static

Cubes the triangle list.

Returns

The triangle list.

Parameters

cubeCorners

Cube corners.

determineShadowMinMax1D()

static float[] VerticesEngine.Utilities.vxGeometryHelper.determineShadowMinMax1D ( IEnumerable< float > values, float cam, float desiredSize )

static

Determines the shadow minimum max1 d.

Returns

The shadow minimum max1 d.

Parameters

values	Values.
cam	Cam.
desiredSize	Desired size.

fullscreenQuad()

static IEnumerable< VertexPositionColorTexture > VerticesEngine.Utilities.vxGeometryHelper.fullscreenQuad ( Color color, float depth )

static

Fullscreens the quad.

Returns

The quad.

Parameters

color	Color.
depth	Depth.

GetModelBoundingBox() [1/2]

static BoundingBox VerticesEngine.Utilities.vxGeometryHelper.GetModelBoundingBox ( Model model )

static

Gets the model bounding box.

Returns

The model bounding box.

Parameters

model

Model.

GetModelBoundingBox() [2/2]

static BoundingBox VerticesEngine.Utilities.vxGeometryHelper.GetModelBoundingBox ( Model model, Matrix worldTransform )

static

Updates a Bounding Box based off of Model Data.

Parameters

model
worldTransform

Returns

GetModelPrimitiveCount()

static int VerticesEngine.Utilities.vxGeometryHelper.GetModelPrimitiveCount ( Model model )

static

Gets the Primitive Count for a given Model.

Parameters

model

Model to retrieve the primitive count from.

Returns

The Model Primitive Count.

GetRotatedMatrix() [1/2]

static Matrix VerticesEngine.Utilities.vxGeometryHelper.GetRotatedMatrix ( Matrix InitialMatrix, Vector3 OffsetFromPosition, Vector3 Rotation_Local )

static

Gets the rotated matrix.

Returns

The rotated matrix.

Parameters

InitialMatrix	Initial matrix.
OffsetFromPosition	Offset from position.
Rotation_Local	Rotation local.

GetRotatedMatrix() [2/2]

static Matrix VerticesEngine.Utilities.vxGeometryHelper.GetRotatedMatrix ( Vector3 InitialPosition, Vector3 OffsetFromPosition, Vector3 Rotation_Local, Vector3 Rotation_Global )

static

Returns a Matrix which is rotated first about the origin, then translated and rotated about another axis.

Parameters

InitialPosition
OffsetFromPosition
Rotation_Local
Rotation_Global

Returns

normalizedGridVertices()

static IEnumerable< Vector4 > VerticesEngine.Utilities.vxGeometryHelper.normalizedGridVertices ( int width, int height )

static

Normalizeds the grid vertices.

Returns

The grid vertices.

Parameters

width	Width.
height	Height.

poissonKernel()

static IEnumerable< Vector2 > VerticesEngine.Utilities.vxGeometryHelper.poissonKernel ( )

static

Poissons the kernel.

Returns

The kernel.

practicalSplitScheme()

static IEnumerable< float > VerticesEngine.Utilities.vxGeometryHelper.practicalSplitScheme ( int numSplits, float n, float f )

static

Sets up the Split Scheme for Cascade Shadow Mapping.

Returns

The split scheme.

Parameters

numSplits	Number splits.
n	N.
f	F.

RotatePoint()

static Vector3 VerticesEngine.Utilities.vxGeometryHelper.RotatePoint ( Matrix InitialMatrix, Vector3 OffsetFromPosition )

static

Rotate a Point by a speciefied Matrix.

Returns

The point.

Parameters

InitialMatrix	Initial matrix.
OffsetFromPosition	Offset from position.

splitFrustum()

static IEnumerable< Vector3 > VerticesEngine.Utilities.vxGeometryHelper.splitFrustum ( float near, float far, Matrix m )

static

Splits a Camera frustum.

Returns

The frustum.

Parameters

near	Near.
far	Far.
m	M.

TransformBoundingBox()

static BoundingBox VerticesEngine.Utilities.vxGeometryHelper.TransformBoundingBox ( BoundingBox boundingBox, Matrix m )

static

Transforms the bounding box.

Returns

The bounding box.

Parameters

boundingBox	Bounding box.
m	M.

---

The documentation for this class was generated from the following file:

• /github/workspace/src/VerticesEngine/src.shared/Utilities/vxGeometryHelper.cs