public void AddMesh(Mesh mesh, Vector3 translation, Vector3 scale)
{
var vertexTransform = new Vector3Transformation(_ => (_ * scale) + translation);
var normalTransform = new Vector3Transformation(_ => (scale * _).Normalized);
AddMesh(mesh, vertexTransform, normalTransform);
}
public void AddMesh(Mesh mesh, Matrix matrix)
{
var vertexTransform = new Vector3Transformation(_ => Vector3.Transform(_, matrix));
var normalTransform = new Vector3Transformation(_ => Vector3.NormalTransform(_, matrix));
AddMesh(mesh, vertexTransform, normalTransform);
}
public void AddMesh(Mesh mesh, Vector3Transformation vertexTransform, Vector3Transformation normalTransform)
{
if (mesh == null)
{
throw new ArgumentNullException();
}
if (mesh.Indices != null)
{
var newIndices = mesh.Indices
.Select(_ => _ + (UInt32)_vertices.Count)
.ToArray();
_indices.AddRange(newIndices);
}
var vertices = mesh.Vertices
.Select(_ => vertexTransform(_));
_vertices.AddRange(vertices);
if (mesh.Normals != null)
{
if (normalTransform == null)
{
throw new ArgumentNullException("normalTransform");
}
var normals = mesh.Normals
.Select(_ => normalTransform(_));
_normals.AddRange(normals);
}
if (mesh.Colors != null)
{
_colors.AddRange(mesh.Colors);
}
}
public void AddMesh(Mesh mesh, Vector3 translation)
{
var transform = new Vector3Transformation(_ => _ + translation);
AddMesh(mesh, transform, _identityTransformation);
}
public void AddMesh(Mesh mesh, Quaternion rotation)
{
var transform = new Vector3Transformation(_ => Vector3.Transform(_, rotation));
AddMesh(mesh, transform, transform);
}