public VertexPositionNormal(IVertexGeometry src)
{
Guard.NotNull(src, nameof(src));
this.Position = src.GetPosition();
src.TryGetNormal(out this.Normal);
}
public static string _GetDebuggerDisplay(IVertexGeometry geo)
{
var txt = $"𝐏:{geo.GetPosition()}";
if (geo.TryGetNormal(out Vector3 n))
{
txt += $" 𝚴:{n}";
}
if (geo.TryGetTangent(out Vector4 t))
{
txt += $" 𝚻:{t}";
}
return(txt);
}
public static TvP ConvertToGeometry <TvP>(this IVertexGeometry src)
where TvP : struct, IVertexGeometry
{
if (src.GetType() == typeof(TvP))
{
return((TvP)src);
}
var dst = default(TvP);
dst.SetPosition(src.GetPosition());
if (src.TryGetNormal(out Vector3 nrm))
{
dst.SetNormal(nrm);
}
if (src.TryGetTangent(out Vector4 tgt))
{
dst.SetTangent(tgt);
}
return(dst);
}
IVertexGeometry IVertexGeometry.ToDisplaceMorph(IVertexGeometry baseValue)
{
var bv = (VertexPosition)baseValue;
return(new VertexPosition(this.Position - bv.Position));
}
IVertexGeometry IVertexGeometry.ToAbsoluteMorph(IVertexGeometry baseValue)
{
var bv = (VertexPosition)baseValue;
return(new VertexPosition(this.Position + bv.Position));
}
public VertexPosition(IVertexGeometry src)
{
Guard.NotNull(src, nameof(src));
this.Position = src.GetPosition();
}
IVertexGeometry IVertexGeometry.ToDisplaceMorph(IVertexGeometry baseValue)
{
throw new NotSupportedException();
}
IVertexGeometry IVertexGeometry.ToAbsoluteMorph(IVertexGeometry baseValue)
{
throw new NotSupportedException();
}
public VertexGeometryDelta Subtract(IVertexGeometry baseValue)
{
return(new VertexGeometryDelta((VertexPosition)baseValue, this));
}