/// <summary>
/// Copy Constructor
/// </summary>
protected Face3(Face3 other)
{
throw new NotImplementedException();
}
/// <summary>
///
/// </summary>
public void Merge(Geometry geometry, Matrix4 matrix, int materialIndexOffset)
{
if (geometry == null)
{
Trace.TraceError("THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.");
return;
}
var vertexOffset = this.Vertices.Count;
var vertices1 = this.Vertices;
var vertices2 = geometry.Vertices;
var faces1 = this.Faces;
var faces2 = geometry.Faces;
var uvs1 = this.FaceVertexUvs[0];
var uvs2 = geometry.FaceVertexUvs[0];
Matrix3 normalMatrix = null;
if (matrix != null)
{
normalMatrix = new Matrix3().GetNormalMatrix(matrix);
}
// vertices
for (var i = 0; i < vertices2.Count; i++)
{
var vertex = vertices2[i];
var vertexCopy = (Vector3)vertex.Clone();
if (matrix != null)
{
vertexCopy.ApplyMatrix4(matrix);
}
vertices1.Add(vertexCopy);
}
// faces
for (int i = 0; i < faces2.Count; i++)
{
var face = faces2[i];
var faceVertexNormals = face.VertexNormals;
var faceVertexColors = face.VertexColors;
var faceCopy = new Face3(face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset);
faceCopy.Normal.Copy(face.Normal);
if (normalMatrix != null)
{
faceCopy.Normal.ApplyMatrix3(normalMatrix).Normalize();
}
for (var j = 0; j < faceVertexNormals.Count; j++)
{
var normal = (Vector3)faceVertexNormals[j].Clone();
if (normalMatrix != null)
{
normal.ApplyMatrix3(normalMatrix).Normalize();
}
faceCopy.VertexNormals.Add(normal);
}
//faceCopy.color.Copy(face.color);
faceCopy.color = face.color;
for (var j = 0; j < faceVertexColors.Length; j++)
{
var color = faceVertexColors[j];
faceCopy.VertexColors[j] = color;
}
faceCopy.MaterialIndex = face.MaterialIndex + materialIndexOffset;
faces1.Add(faceCopy);
}
// uvs
for (int i = 0; i < uvs2.Count; i++)
{
var uv = uvs2[i]; var uvCopy = new List <Vector2>();
if (uv == null)
{
continue;
}
for (var j = 0; j < uv.Count; j++)
{
uvCopy.Add(new Vector2(uv[j].X, uv[j].Y));
}
uvs1.Add(uvCopy);
}
}
