// lattice point == узел решетки
public static DataSource CreateSpiral(double width = 1, double height = 1, double depth = 2, int latticeCountX = 100, int latticeCountY = 100, int latticeCountZ = 200)
{
FuncDataSource3D <Vector3D> dataSource = new FuncDataSource3D <Vector3D>(latticeCountX, latticeCountY, latticeCountZ,
(i, j, k) =>
{
var xyAngle = 2 * Math.PI * j / latticeCountY;
if (xyAngle < 0)
{
xyAngle += 2 * Math.PI;
}
else if (xyAngle > 2 * Math.PI)
{
xyAngle -= 2 * Math.PI;
}
Debug.WriteLine(xyAngle);
Point3D result = new Point3D(
width / 2.0 / latticeCountX * i * Math.Cos(xyAngle),
height / 2.0 / latticeCountX * i * Math.Sin(xyAngle),
depth / latticeCountZ * (k + xyAngle / (2 * Math.PI)));
return(result);
},
(i, j, k) =>
{
//double x = i - latticeX / 2.0;
//double y = j - latticeY / 2.0;
//var xyAngle = Math.Atan2(y, x);
var xyAngle = 2 * Math.PI * j / latticeCountY;
var vector = new Vector3D(
width / 2.0 / latticeCountX * i * Math.Cos(xyAngle),
width / 2.0 / latticeCountY * i * Math.Sin(xyAngle),
0);
var perpendicular = Vector3D.CrossProduct(vector, new Vector3D(0, 0, depth / latticeCountZ / 2.0));
perpendicular.Z = 0.1;
perpendicular.Normalize();
perpendicular *= 0.1;
return(perpendicular);
});
return(dataSource);
}
// lattice point == узел решетки
public static DataSource CreateSpiral(double width = 1, double height = 1, double depth = 2, int latticeCountX = 100, int latticeCountY = 100, int latticeCountZ = 200)
{
FuncDataSource3D<Vector3D> dataSource = new FuncDataSource3D<Vector3D>(latticeCountX, latticeCountY, latticeCountZ,
(i, j, k) =>
{
var xyAngle = 2 * Math.PI * j / (double)(latticeCountY);
if (xyAngle < 0)
xyAngle += 2 * Math.PI;
else if (xyAngle > 2 * Math.PI)
xyAngle -= 2 * Math.PI;
Debug.WriteLine(xyAngle);
Point3D result = new Point3D(
width / 2.0 / latticeCountX * i * Math.Cos(xyAngle),
height / 2.0 / latticeCountX * i * Math.Sin(xyAngle),
depth / latticeCountZ * (k + xyAngle / (2 * Math.PI)));
return result;
},
(i, j, k) =>
{
//double x = i - latticeX / 2.0;
//double y = j - latticeY / 2.0;
//var xyAngle = Math.Atan2(y, x);
var xyAngle = 2 * Math.PI * j / (double)(latticeCountY);
var vector = new Vector3D(
width / 2.0 / latticeCountX * i * Math.Cos(xyAngle),
width / 2.0 / latticeCountY * i * Math.Sin(xyAngle),
0);
var perpendicular = Vector3D.CrossProduct(vector, new Vector3D(0, 0, depth / latticeCountZ / 2.0));
perpendicular.Z = 0.1;
perpendicular.Normalize();
perpendicular *= 0.1;
return perpendicular;
});
return dataSource;
}
