public Point3D AnimateStar(double sx,double sy,double sz, double rx, double ry,
double rz,double elevation,double azimuth)
{
Point3D result = new Point3D(0, 0, 0);
Point3[] pts = new Point3[1];
pts[0] = new Point3(sx, sy, sz, 1);
Matrix3 r3 = Matrix3.Rotate3Z(rz);
pts[0].Transform(r3);
Matrix3 r1 = Matrix3.Rotate3X(rx);
pts[0].Transform(r1);
Matrix3 r2 = Matrix3.Rotate3Y(ry);
pts[0].Transform(r2);
Matrix3 m = Matrix3.AzimuthElevation(elevation, azimuth, 0);
pts[0].Transform(m);
result = new Point3D(pts[0].X, pts[0].Y, pts[0].Z);
return result;
}
public Point DrawStar(double sx,double sy,double sz)
{
Point result=new Point(0,0);
Point3[] pts = new Point3 [1];
pts[0]= new Point3(sx,sy,sz,1);
Matrix3 m = Matrix3.AzimuthElevation(0,30,0);
pts[0].Transform(m);
result = Point2D(new Point(pts[0].X, pts[0].Y));
return result;
}
public Point DrawPoint(Point3 convertPoint)
{
var result = new Point();
return result;
}
public Point3 Spherical(double r, double theta, double phi)
{
var pt = new Point3();
var snt = Math.Sin(theta*Math.PI/180);
var cnt = Math.Cos(theta*Math.PI/180);
var snp = Math.Sin(phi*Math.PI/180);
var cnp = Math.Cos(phi*Math.PI/180);
pt.X = r*snt*cnp;
pt.Y = r*cnt;
pt.Z = -r*snt*cnp;
pt.W = 1;
return pt;
}
public Point3 Cylindrical(double r, double theta, double y)
{
var pt = new Point3();
var sn = Math.Sin(theta*Math.PI/180);
var cn = Math.Cos(theta*Math.PI/180);
pt.X = r*cn;
pt.Y = y;
pt.Z = -r*sn;
pt.W = 1;
return pt;
}
public Point3[] CubePoints()
{
double a = 200;
Point3[] pts = new Point3[8];
pts[0] = new Point3(0, 0, 0, 0);
pts[1] = new Point3(a, 0, 0, 0);
pts[2] = new Point3(a, a, 0, 0);
pts[3] = new Point3(0, a, 0, 0);
pts[4] = new Point3(0, 0, a, 1);
pts[5] = new Point3(a, 0, a, 1);
pts[6] = new Point3(a, a, a, 1);
pts[7] = new Point3(0, a, a, 1);
return pts;
}