public Form1.Vertex CalculateVertex(double x, double y)
{
Form1.Vertex resault = new Form1.Vertex();
double r = Math.Sqrt(x * x + y * y);
double z = Sinc(r);
double delta = 1e-6;
float f = (float)F(x, y, z);
double dfdx = -(F(x + delta, y, z) - f) / delta;
double dfdy = -(F(x, y + delta, z) - f) / delta;
double dfdz = 1;
double invLen = 1 / Math.Sqrt(dfdx * dfdx + dfdy * dfdy + dfdz * dfdz);
resault.x = (float)x;
resault.y = (float)y;
resault.z = (float)z;
resault.nx = (float)(dfdx * invLen);
resault.ny = (float)(dfdy * invLen);
resault.nz = (float)(dfdz * invLen);
return(resault);
}
public Form1.Vertex CalculateVertex(double x, double y)
{
Form1.Vertex resault = new Form1.Vertex();
//double r = Math.Sqrt(x * x + y * y);
double z = HyperbolPar(x,y);
double delta = 1e-6;
float f = (float)F(x, y, z);
double dfdx = -(F(x + delta, y, z) - f) / delta;
double dfdy = -(F(x, y + delta, z) - f) / delta;
double dfdz = 1;
double invLen = 1 / Math.Sqrt(dfdx * dfdx + dfdy * dfdy + dfdz * dfdz);
resault.x = (float)x;
resault.y = (float)y;
resault.z = (float)z;
resault.nx = (float)(dfdx * invLen);
resault.ny = (float)(dfdy * invLen);
resault.nz = (float)(dfdz * invLen);
return resault;
}
