Creates an equation-driven 2D explicit or parametric curve or a 3D parametric curve.
2D explicit curve:
A parabola y = x^2
CreateEquationSpline2("", "x^2", "", "-5", "5", False, 0, 0, 0, True, True)
2D parametric curve:
A spiral x = t*sin(t); y = t*cos(t)
CreateEquationSpline2("t*sin(t)", "t*cos(t)", "", "0", "4*pi", False, 0, 0, 0, True, True)
3D parametric curve:
A helix x = sin(t); y = cos(t); z = t/5
CreateEquationSpline2("sin(t), "cos(t)", "t/5", "0", "30", False, 0, 0, 0, True, True)