public MGeneralCurveFace CreateGeneralCurveFace(Mesh mesh)
{
MGeneralCurveFace face = new MGeneralCurveFace(mesh);
if (!face.IsValid())
{
return(null);
}
int i;
if ((i = AddFaceToMesh(face)) != -1)
{
return(faceList[i] as MGeneralCurveFace);
}
else
{
return(face);
}
}
private bool Equals(MGeneralCurveFace obj)
{
return(mesh.Equals(obj.mesh));
}
public bool ExportObject(string filename)
{
StringBuilder sb = new StringBuilder();
List<MPoint> pointList = mesh.pointList;
List<MEdge> edgeList = mesh.edgeList;
List<MFace> faceList = mesh.faceList;
foreach(MPoint point in pointList)
{
sb.Append(string.Format("p {0} {1} {2}\n", point.position.x, point.position.y, point.position.z));
}
foreach(MEdge edge in edgeList)
{
switch (edge.edgeType)
{
case MEdge.MEdgeType.LINEAR:
int start = pointList.IndexOf(((MLinearEdge)edge).start);
int end = pointList.IndexOf(((MLinearEdge)edge).end);
sb.Append(string.Format("le {0} {1}\n", start, end));
break;
case MEdge.MEdgeType.CURVE:
MCurveEdge ce = edge as MCurveEdge;
int center = pointList.IndexOf(ce.center);
sb.Append(string.Format("ce {0} {1} {2} {3} {4}\n", center, ce.radius, ce.normal.x, ce.normal.y, ce.normal.z));
break;
case MEdge.MEdgeType.GENERAL:
MGeneralEdge ge = edge as MGeneralEdge;
sb.Append("ge\n");
foreach(Vector3 v in ge.points)
{
sb.Append(string.Format("v {0} {1} {2}\n", v.x, v.y, v.z));
}
break;
}
}
foreach(MFace face in faceList)
{
switch (face.faceType)
{
case MFace.MFaceType.POLYGON:
sb.Append("polyf\n");
foreach(MLinearEdge edge in ((MPolygonFace)face).edgeList)
{
int index = edgeList.IndexOf(edge);
sb.Append(string.Format("e {0}\n", index));
}
break;
case MFace.MFaceType.CIRCLE:
MCircleFace circf = face as MCircleFace;
int circle = edgeList.IndexOf(circf.circle);
sb.Append(string.Format("circf {0}\n", circle));
break;
case MFace.MFaceType.CONE:
MConeFace conf = face as MConeFace;
int top = pointList.IndexOf(conf.top);
int bottom = edgeList.IndexOf(conf.bottom);
sb.Append(string.Format("conf {0} {1}\n", top, bottom));
break;
case MFace.MFaceType.CYLINDER:
MCylinderFace cylindf = face as MCylinderFace;
top = edgeList.IndexOf(cylindf.top);
bottom = edgeList.IndexOf(cylindf.bottom);
sb.Append(string.Format("cylf {0} {1}\n", top, bottom));
break;
case MFace.MFaceType.SPHERE:
MSphereFace sf = face as MSphereFace;
int center = pointList.IndexOf(sf.center);
sb.Append(string.Format("sf {0} {1}\n", center, sf.radius));
break;
case MFace.MFaceType.GENERAL_FLAT:
MGeneralFlatFace gff = face as MGeneralFlatFace;
sb.Append("gff\n");
foreach (Vector3 v in gff.points)
{
sb.Append(string.Format("v {0} {1} {2}\n", v.x, v.y, v.z));
}
break;
case MFace.MFaceType.GENERAL_CURVE:
MGeneralCurveFace gcf = face as MGeneralCurveFace;
sb.Append("gcf\n");
foreach(Vector3 v in gcf.mesh.vertices)
{
sb.Append(string.Format("v {0} {1} {2}\n", v.x, v.y, v.z));
}
int count = gcf.mesh.triangles.Length / 3;
for(int i = 0; i < count; i++)
{
sb.Append(string.Format("f {0} {1} {2}\n", gcf.mesh.triangles[3 * i], gcf.mesh.triangles[3 * i + 1], gcf.mesh.triangles[3 * i + 2]));
}
break;
}
}
if (!Directory.Exists(MDefinitions.SAVE_PATH))
{
Directory.CreateDirectory(MDefinitions.SAVE_PATH);
}
using (StreamWriter sw = new StreamWriter(MDefinitions.SAVE_PATH+"/" + filename))
{
sw.Write(sb.ToString());
sw.Flush();
sw.Close();
}
return true;
}
