/// <summary>
/// Create a Geometry object.
/// </summary>
/// <param name="device">The graphics device to create the geometry on.</param>
/// <param name="primitiveType">The type of primitive used to draw the geometry.</param>
/// <param name="vertices">The vertices of the geometry.</param>
public Geometry(GraphicsDevice device, PrimitiveType primitiveType, IVertices vertices)
{
XiHelper.ArgumentNullCheck(device, vertices);
this.device = device;
this.primitiveType = primitiveType;
vertexSize = vertices.VertexSize;
vertexCount = vertices.Length;
vertexBuffer = new VertexBuffer(device, vertices.Length * vertices.VertexSize, BufferUsage.None);
vertices.SetDataOfVertexBuffer(vertexBuffer);
primitiveCount = primitiveType.GetPrimitiveCount(vertices.Length);
vertexDeclaration = new ManagedVertexDeclaration(device, vertices.VertexElements);
}
/// <summary>
/// Create a Geometry object.
/// </summary>
/// <param name="device">The graphics device that the geometry will be created on.</param>
/// <param name="vertexElements">The vertex elements that define the vertices that make up the geometry.</param>
/// <param name="primitiveType">The type of primitive used to draw the geometry.</param>
/// <param name="vertexBuffer">The vertex buffer that holds the geometry's vertices.</param>
/// <param name="vertexSize">The size of each vertex in bytes.</param>
/// <param name="vertexCount">The number of vertices in the vertex buffer.</param>
/// <param name="indexBuffer">The index buffer that holds the geomety's indices.</param>
/// <param name="indexCount">The number of indices in the index buffer.</param>
public Geometry(
GraphicsDevice device,
VertexElement[] vertexElements,
PrimitiveType primitiveType,
VertexBuffer vertexBuffer,
int vertexSize,
int vertexCount,
IndexBuffer indexBuffer,
int indexCount)
: this(device, vertexElements, primitiveType, vertexBuffer, vertexSize, vertexCount)
{
XiHelper.ArgumentNullCheck(device, vertexElements, vertexBuffer, indexBuffer);
this.indexBuffer = indexBuffer;
this.indexCount = indexCount;
primitiveCount = primitiveType.GetPrimitiveCount(indexCount);
}
/// <summary>
/// Create a Geometry object.
/// </summary>
/// <param name="device">The graphics device that the geometry will be created on.</param>
/// <param name="vertexElements">The vertex elements that define the vertices that make up the geometry.</param>
/// <param name="primitiveType">The type of primitive used to draw the geometry.</param>
/// <param name="vertexBuffer">The vertex buffer that holds the geometry's vertices.</param>
/// <param name="vertexSize">The size of each vertex in bytes.</param>
/// <param name="vertexCount">The number of vertices in the vertex buffer.</param>
public Geometry(
GraphicsDevice device,
VertexElement[] vertexElements,
PrimitiveType primitiveType,
VertexBuffer vertexBuffer,
int vertexSize,
int vertexCount)
{
XiHelper.ArgumentNullCheck(device, vertexElements, vertexBuffer);
this.device = device;
this.vertexBuffer = vertexBuffer;
this.vertexSize = vertexSize;
this.vertexCount = vertexCount;
this.primitiveType = primitiveType;
primitiveCount = primitiveType.GetPrimitiveCount(vertexCount);
vertexDeclaration = new ManagedVertexDeclaration(device, vertexElements);
}
/// <summary>
/// Create a Geometry object.
/// </summary>
/// <param name="device">The graphics device to create the geometry on.</param>
/// <param name="primitiveType">The type of primitive used to draw the geometry.</param>
/// <param name="vertices">The vertices of the geometry.</param>
/// <param name="indices">The indices of the geometry.</param>
public Geometry(GraphicsDevice device, PrimitiveType primitiveType, IVertices vertices, int[] indices)
: this(device, primitiveType, vertices)
{
XiHelper.ArgumentNullCheck(device, vertices, indices);
indexCount = indices.Length;
indexBuffer = new IndexBuffer(device, typeof(int), indices.Length, BufferUsage.None);
indexBuffer.SetData<int>(indices);
primitiveCount = primitiveType.GetPrimitiveCount(indices.Length);
}