void InitMultiPartBorderVBOIfNeed()
{
if (_vbo_smoothBorder != null)
{
return;
}
//
_vbo_smoothBorder = new VertexBufferObject();
List <SmoothBorderSet> borderSets = this.smoothBorders;
int j = borderSets.Count;
PartRange[] partRanges = new PartRange[j];
int currentFirstComponentStartAt = 0;
List <float> expandedBorderCoords = new List <float>();
for (int i = 0; i < j; ++i)
{
SmoothBorderSet borderSet = borderSets[i];
//create part range
partRanges[i] = new PartRange(currentFirstComponentStartAt, 0, borderSet.vertexStripCount);
expandedBorderCoords.AddRange(borderSet.smoothBorderArr);
currentFirstComponentStartAt += borderSet.smoothBorderArr.Length;
}
_borderPartRanges = partRanges;
_vbo_smoothBorder.CreateBuffers(expandedBorderCoords.ToArray(), null, partRanges);
}
void InitMultiPartVBOIfNeed()
{
if (_vbo != null)
{
return;
}
//
_vbo = new VertexBufferObject();
_vbo.CreateBuffers(_allCoords.ToArray(), _allArrayIndexList.ToArray(), _partIndexList.ToArray());
}
/// <summary>
/// vertex buffer of the solid area part
/// </summary>
public VertexBufferObject GetAreaTessAsVBO(TessTool tess)
{
if (_vboArea == null)
{
//tess
indexListArray = tess.TessAsTriIndexArray(coordXYs, null,
out tessXYCoords2, out this._tessAreaVertexCount);
_vboArea = new VertexBufferObject();
_vboArea.CreateBuffers(tessXYCoords2, indexListArray, null);
}
return(_vboArea);
}
public void BuildBuffer(bool clearInputXYs = true)
{
if (_vbo != null)
{
//must clear this first
throw new System.Exception();
}
//----------------
_vbo = new VertexBufferObject();
_vbo.CreateBuffers(_mergedInputXYs.ToArray(), null);
if (clearInputXYs)
{
_mergedInputXYs.Clear();
_mergedInputXYs = null;
}
//clear _mergedInputXYs
}
