/// <summary>
/// Initializes a new instance of the <see cref="DefaultMesh"/> class.
/// </summary>
public DefaultMesh()
{
AddAttribute(PositionName, MeshAttribute.Create <Vector3>());
Position = GetAttribute(PositionName).GetList <Vector3>();
AddAttribute(NormalName, MeshAttribute.Create <Vector3>());
Normal = GetAttribute(NormalName).GetList <Vector3>();
AddAttribute(TexCoordName, MeshAttribute.Create <Vector2>());
TexCoord = GetAttribute(TexCoordName).GetList <Vector2>();
}
/// <summary>
/// Adds the attribute.
/// </summary>
/// <param name="name">The attribute name.</param>
/// <param name="attribute"></param>
/// <returns></returns>
/// <exception cref="ArgumentException"></exception>
protected void AddAttribute(string name, MeshAttribute attribute)
{
if (Contains(name))
{
throw new ArgumentException($"Attribute '{name}' already exists");
}
if (attribute is null)
{
throw new ArgumentNullException(nameof(attribute));
}
attributes.Add(name, attribute);
}