/// <summary>
/// Sets the data for the current vertex using the provided <see cref="AttributeAccessor"/>
/// </summary>
/// <param name="accessor">Accessor to the vertex data</param>
/// <param name="ptrRef">Pointer to the source data</param>
public void SetAttribute(AttributeAccessor accessor, IntPtr ptrRef)
{
Utilities.CopyMemory(vertexBuffer + accessor.Offset, ptrRef, accessor.Size);
}
/// <summary>
/// Transforms attribute data using already written data from another attribute
/// </summary>
/// <typeparam name="T">Type data</typeparam>
/// <param name="accessorTo">Vertex attribute accessor to the destination attribute</param>
/// <param name="accessorFrom">Vertex attribute accessor to the source attribute</param>
/// <param name="transformMethod">Transform method for the type data</param>
public void TransformAttributePerParticle <T>(AttributeAccessor accessorFrom, AttributeAccessor accessorTo, TransformAttributeDelegate <T> transformMethod) where T : struct
{
for (var i = 0; i < verticesPerParticle; i++)
{
var temp = Utilities.Read <T>(vertexBuffer + accessorFrom.Offset + i * VertexDeclaration.VertexStride);
transformMethod(ref temp);
Utilities.Write(vertexBuffer + accessorTo.Offset + i * VertexDeclaration.VertexStride, ref temp);
}
}
public void TransformAttributePerParticle <T, U>(AttributeAccessor accessorFrom, AttributeAccessor accessorTo, IAttributeTransformer <T, U> transformMethod, ref U transformer)
where T : struct
where U : struct
{
for (var i = 0; i < vertexBuilder.VerticesPerParticle; i++)
{
var temp = Utilities.Read <T>(VertexBuffer + accessorFrom.Offset + i * VertexStride);
transformMethod.Transform(ref temp, ref transformer);
Utilities.Write(VertexBuffer + accessorTo.Offset + i * VertexStride, ref temp);
}
}
