private void MakeEdgeIndicesData()
{
//todo work out edge vertices
uint westCount = (uint)_GridSize;
uint southCount = (uint)_GridSize;
uint eastCount = (uint)_GridSize;
uint northCount = (uint)_GridSize;
MeshEdgeIndices16 = new EdgeIndices16()
{
westVertexCount = westCount,
westIndices = new ushort[westCount],
eastVertexCount = eastCount,
eastIndices = new ushort[eastCount],
northVertexCount = northCount,
northIndices = new ushort[northCount],
southVertexCount = southCount,
southIndices = new ushort[southCount]
};
ushort y = 0;
for (uint i = 0; i < MeshEdgeIndices16.westVertexCount; i++)
{
MeshEdgeIndices16.westIndices[i] = y;
y = (ushort)(y + _GridSize);
}
for (uint i = 0; i < MeshEdgeIndices16.southVertexCount; i++)
{
MeshEdgeIndices16.southIndices[i] = (ushort)i;
}
y = 0;
for (uint i = 0; i < MeshEdgeIndices16.eastVertexCount; i++)
{
MeshEdgeIndices16.eastIndices[i] = (ushort)(y + _GridSize - 1);
y = (ushort)(y + _GridSize);
}
y = (ushort)((_GridSize - 1) * (_GridSize - 1) + _GridSize - 1);
// y = (ushort) (Math.Pow((_GridSize - 1), 2) + _GridSize - 1);
for (uint i = 0; i < MeshEdgeIndices16.northVertexCount; i++)
{
MeshEdgeIndices16.northIndices[i] = (ushort)(y + i);
}
}
private void MakeEdgeIndicesData()
{
EdgeIndices16 = new EdgeIndices16()
{
westVertexCount = 2,
westIndices = new ushort[2],
eastVertexCount = 2,
eastIndices = new ushort[2],
northVertexCount = 2,
northIndices = new ushort[2],
southVertexCount = 2,
southIndices = new ushort[2]
};
/*
* westVertexCount = reader.ReadUInt32();
* westIndices = new ushort[westVertexCount];
*
* for (int i = 0; i < westVertexCount; i++)
* westIndices[i] = reader.ReadUInt16();
*
* southVertexCount = reader.ReadUInt32();
* southIndices = new ushort[southVertexCount];
*
* for (int i = 0; i < southVertexCount; i++)
* southIndices[i] = reader.ReadUInt16();
*
* eastVertexCount = reader.ReadUInt32();
* eastIndices = new ushort[eastVertexCount];
*
* for (int i = 0; i < eastVertexCount; i++)
* eastIndices[i] = reader.ReadUInt16();
*
* northVertexCount = reader.ReadUInt32();
* northIndices = new ushort[northVertexCount];
*
* for (int i = 0; i < northVertexCount; i++)
* northIndices[i] = reader.ReadUInt16();
*
*/
// vertexs touching edge
EdgeIndices16.westIndices[0] = 0;
IndexData16.indices[1] = 1;
EdgeIndices16.southIndices[0] = 0;
IndexData16.indices[1] = 2;
EdgeIndices16.eastIndices[0] = 2;
IndexData16.indices[1] = 3;
EdgeIndices16.northIndices[0] = 1;
IndexData16.indices[1] = 3;
/*
* // now decode deltas and place true value back into array
* ushort _u = 0;
* ushort _v = 0;
* ushort _height = 0;
*
* for (int i = 0; i < vertexCount; i++)
* {
* _u += (ushort) ZigZag.Decode(u[i]);
* _v += (ushort) ZigZag.Decode(v[i]);
* _height += (ushort) ZigZag.Decode(height[i]);
*
* u[i] = _u;
* v[i] = _v;
* height[i] = _height;
* }
*
*/
// Now encode data in CPP
/*
* // # Write mesh vertices (X Y Z components of each vertex):
* int vertexCount = mMesh.vertices.size();
* ostream.write(&vertexCount, sizeof(int));
*
* for (int c = 0; c < 3; c++) {
* double origin = bounds.min[c];
* double factor = 0;
* if (bounds.max[c] > bounds.min[c]) factor = SHORT_MAX / (bounds.max[c] - bounds.min[c]);
*
* // Move the initial value
* int u0 = quantizeIndices(origin, factor, mMesh.vertices[0][c]), u1, ud;
* uint16_t sval = zigZagEncode(u0);
* ostream.write(&sval, sizeof(uint16_t));
*
* for (size_t i = 1, icount = mMesh.vertices.size(); i < icount; i++) {
* u1 = quantizeIndices(origin, factor, mMesh.vertices[i][c]);
* ud = u1 - u0;
* sval = zigZagEncode(ud);
* ostream.write(&sval, sizeof(uint16_t));
* u0 = u1;
* }
* }
*/
}
