Class PrimitiveModelBuilder

Represents a builder for primitive models.

Inheritance
object
PrimitiveModelBuilder
Inherited Members
Namespace: Evergine.Components.Primitives
Assembly: Evergine.Components.dll
Syntax
public class PrimitiveModelBuilder

Properties

VerticesCount

Gets the vertices count.

Declaration
public int VerticesCount { get; }
Property Value
Type Description
int

Methods

AddIndex(int)

Adds a new index to the primitive model.

Declaration
public void AddIndex(int index)
Parameters
Type Name Description
int index

The index.
Remarks

This should only be called during the initialization process, before InitializePrimitive.

AddVertex(Vector3, Vector3)

Adds a new vertex to the primitive model.

Declaration
public void AddVertex(Vector3 position, Vector3 normal)
Parameters
Type Name Description
Vector3 position

The position.
Vector3 normal

The normal.
Remarks

This should only be called during the initialization process, before InitializePrimitive.

AddVertex(Vector3, Vector3, Vector2)

Adds a new vertex to the primitive model.

Declaration
public void AddVertex(Vector3 position, Vector3 normal, Vector2 texcoord)
Parameters
Type Name Description
Vector3 position

The position.
Vector3 normal

The normal.
Vector2 texcoord

The texture coordinate.
Remarks

This should only be called during the initialization process, before InitializePrimitive.

AddVertex(Vector3, Vector3, Vector3, Vector2)

Adds a new vertex to the primitive model.

Declaration
public void AddVertex(Vector3 position, Vector3 normal, Vector3 tangent, Vector2 texcoord)
Parameters
Type Name Description
Vector3 position

The position.
Vector3 normal

The normal.
Vector3 tangent

The tangent.
Vector2 texcoord

The texture coordinate.
Remarks

This should only be called during the initialization process, before InitializePrimitive.

AddVertex(Vector3, Vector3, Vector3, Vector2, Color)

Adds a new vertex to the primitive model.

Declaration
public void AddVertex(Vector3 position, Vector3 normal, Vector3 tangent, Vector2 texcoord, Color color)
Parameters
Type Name Description
Vector3 position

The position.
Vector3 normal

The normal.
Vector3 tangent

The tangent.
Vector2 texcoord

The texture coordinate.
Color color

The color.
Remarks

This should only be called during the initialization process, before InitializePrimitive.

CalculateTangentSpace()

Calculate tangent space of the geometry.

Declaration
public void CalculateTangentSpace()

Clear()

Clears the internal structure.

Declaration
public void Clear()

CreateMesh(GraphicsContext)

Gets the Mesh by vertex and index information.

Declaration
public Mesh CreateMesh(GraphicsContext graphicsContext)
Parameters
Type Name Description
GraphicsContext graphicsContext

The GraphicsContext used for mesh buffers generation.
Returns
Type Description
Mesh

Mesh instance.

GetSphericalTexCoord(Vector3)

Gets the spherical texture coordinates.

Declaration
public Vector2 GetSphericalTexCoord(Vector3 normal)
Parameters
Type Name Description
Vector3 normal

The normal.
Returns
Type Description
Vector2

Spherical coordinates.

SetCapacity(int, int)

Prepares the internal structure with the specified size for indices and vertices.

Declaration
public void SetCapacity(int indicesCount, int vertexCount)
Parameters
Type Name Description
int indicesCount

The maximum indices count.
int vertexCount

The maximum vertex count.

Extension Methods