private void AddPolygon(bool sky, KmlLineList geo, float lineWidth, Color polyColor, Color lineColor, bool extrude, bool fill, Dates date)
{
//todo can we save this work for later?
List <Vector3d> vertexList = new List <Vector3d>();
List <Vector3d> vertexListGround = new List <Vector3d>();
//todo list
// We need to Wrap Around for complete polygone
// we aldo need to do intereor
//todo space? using RA/DEC
for (int i = 0; i < (geo.PointList.Count); i++)
{
vertexList.Add(Coordinates.GeoTo3dDoubleRad(geo.PointList[i].Lat, geo.PointList[i].Lng, 1 + (geo.PointList[i].Alt / meanRadius)));
vertexListGround.Add(Coordinates.GeoTo3dDoubleRad(geo.PointList[i].Lat, geo.PointList[i].Lng, 1));
}
for (int i = 0; i < (geo.PointList.Count - 1); i++)
{
if (sky)
{
//tdo reenable this
//this.lineList2d.AddLine
// (Coordinates.RADecTo3d(-(180.0 - geo.PointList[i].Lng) / 15 + 12, geo.PointList[i].Lat, 1), Coordinates.RADecTo3d(-(180.0 - geo.PointList[i + 1].Lng) / 15 + 12, geo.PointList[i + 1].Lat, 1), lineColor, date);
}
else
{
if (extrude)
{
this.triangleList.AddQuad(vertexList[i], vertexList[i + 1], vertexListGround[i], vertexListGround[i + 1], polyColor, date);
}
if (lineWidth > 0)
{
if (extrude)
{
this.lineList.AddLine(vertexList[i], vertexList[i + 1], lineColor, date);
}
else
{
this.lineList2d.AddLine(vertexList[i], vertexList[i + 1], lineColor, date);
}
if (extrude)
{
this.lineList.AddLine(vertexListGround[i], vertexListGround[i + 1], lineColor, date);
this.lineList.AddLine(vertexList[i], vertexListGround[i], lineColor, date);
this.lineList.AddLine(vertexList[i + 1], vertexListGround[i + 1], lineColor, date);
}
}
}
}
if (fill)
{
List <int> indexes = Tessellator.TesselateSimplePoly(vertexList);
for (int i = 0; i < indexes.Count; i += 3)
{
this.triangleList.AddTriangle(vertexList[indexes[i]], vertexList[indexes[i + 1]], vertexList[indexes[i + 2]], polyColor, date);
}
}
}
private void ParsePolygon(string parens, string mods, Color lineColor, Color polyColor, double alt, Dates date)
{
if (!parens.StartsWith("(") && parens.EndsWith(")"))
{
return;
}
// string the top level of parens
parens = parens.Substring(1, parens.Length - 2);
List <string> shapes = UiTools.SplitString(parens, ",");
foreach (string shape in shapes)
{
KmlLineList lineList = new KmlLineList();
lineList.Astronomical = astronomical;
lineList.MeanRadius = meanRadius;
lineList.ParseWkt(shape, mods, alt, date);
if (alt == 0)
{
AddPolygonFlat(false, lineList, 1, polyColor, lineColor, true, true, date);
}
else
{
AddPolygon(false, lineList, 1, polyColor, lineColor, true, true, date);
}
}
}
private void ParseLineString(string parens, string mods, Color lineColor, double alt, bool single, Dates date)
{
if (!parens.StartsWith("(") && parens.EndsWith(")"))
{
return;
}
if (!single)
{
// string the top level of parens
parens = parens.Substring(1, parens.Length - 2);
}
List <string> shapes = UiTools.SplitString(parens, ",");
foreach (string shape in shapes)
{
KmlLineList lineList = new KmlLineList();
lineList.Astronomical = astronomical;
lineList.MeanRadius = meanRadius;
lineList.ParseWkt(shape, mods, alt, date);
AddPolygon(false, lineList, 1, Colors.White, lineColor, false, false, date);
}
}
private void AddPolygonFlat(bool sky, KmlLineList geo, float lineWidth, Color polyColor, Color lineColor, bool extrude, bool fill, Dates date)
{
//todo can we save this work for later?
List <Vector3d> vertexList = new List <Vector3d>();
for (int i = 0; i < (geo.PointList.Count); i++)
{
vertexList.Add(Coordinates.GeoTo3dDoubleRad(geo.PointList[i].Lat, geo.PointList[i].Lng, 1 + (geo.PointList[i].Alt / meanRadius)));
}
for (int i = 0; i < (geo.PointList.Count - 1); i++)
{
if (sky)
{
//this.lineList2d.AddLine
// (Coordinates.RADecTo3d(-(180.0 - geo.PointList[i].Lng) / 15 + 12, geo.PointList[i].Lat, 1), Coordinates.RADecTo3d(-(180.0 - geo.PointList[i + 1].Lng) / 15 + 12, geo.PointList[i + 1].Lat, 1), lineColor, date);
}
else
{
if (lineWidth > 0)
{
this.lineList2d.AddLine(vertexList[i], vertexList[i + 1], lineColor, date);
}
}
}
if (fill)
{
List <int> indexes = Tessellator.TesselateSimplePoly(vertexList);
for (int i = 0; i < indexes.Count; i += 3)
{
this.triangleList2d.AddSubdividedTriangles(vertexList[indexes[i]], vertexList[indexes[i + 1]], vertexList[indexes[i + 2]], polyColor, date, 2);
}
}
}