public BasicSurface(SurfaceProperties properties, Vector4 translation = new Vector4())
{
_countU = properties.CountU;
_countV = properties.CountV;
_isTube = properties.IsTube;
ParameterRange = new bool[ParameterRangePrecision + 1, ParameterRangePrecision + 1];
for (int i = 0; i < ParameterRangePrecision + 1; i++)
{
for (int j = 0; j < ParameterRangePrecision + 1; j++)
{
ParameterRange[i, j] = true;
}
}
if (_countU < 1 || _countV < 1)
{
return;
}
if (!_isTube)
{
var scaleU = properties.SizeU / (_countU * 3);
var scaleV = properties.SizeV / (_countV * 3);
for (int i = 0; i < _countU * 3 + 1; i++)
{
for (int j = 0; j < _countV * 3 + 1; j++)
{
_points.Add(new DrawablePoint(i * scaleU, 0, j * scaleV));
}
}
if (_countV == 1 && _countV == 1)
{
_points[0].IsCorner = true;
_points[3].IsCorner = true;
_points[12].IsCorner = true;
_points[15].IsCorner = true;
}
}
else
{
var scaleU = properties.SizeU / (_countU * 3);
var scaleV = (float)Math.PI * 2 / (_countV * 3);
for (int i = 0; i < _countU * 3 + 1; i++)
{
for (int j = 0; j < _countV * 3; j++)
{
_points.Add(new DrawablePoint((float)Math.Cos(j * scaleV) * properties.SizeV, (float)Math.Sin(j * scaleV) * properties.SizeV, i * scaleU));
}
}
}
_points.ForEach(x => x.Point = x.Point + translation);
}
public BSplineSurface(SurfaceProperties properties)
{
_countU = properties.CountU + 3;
_countV = properties.CountV + 3;
_isTube = properties.IsTube;
if (_countU < 4 || _countV < 4)
{
MessageBox.Show("Cannot make a Bspline surface with no patch.");
return;
}
ParameterRange = new bool[ParameterRangePrecision + 1, ParameterRangePrecision + 1];
for (int i = 0; i < ParameterRangePrecision + 1; i++)
{
for (int j = 0; j < ParameterRangePrecision + 1; j++)
{
ParameterRange[i, j] = true;
}
}
if (!_isTube)
{
var scaleU = properties.SizeU / _countU;
var scaleV = properties.SizeV / _countV;
for (int i = 0; i < _countU; i++)
{
for (int j = 0; j < _countV; j++)
{
_points.Add(new DrawablePoint(i * scaleU, 0, j * scaleV));
}
}
}
else
{
var scaleU = properties.SizeU / _countU;
var scaleV = (float)Math.PI * 2 / _countV;
for (int i = 0; i < _countU; i++)
{
for (int j = 0; j < _countV; j++)
{
_points.Add(new DrawablePoint(properties.SizeV * (float)Math.Cos(j * scaleV), properties.SizeV * (float)Math.Sin(j * scaleV), i * scaleU));
}
}
}
}