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Ellipse
Reading time: 1minConstructs an ellipse. The equation of an ellipse with center at point (c1,c2) with axes parallel to x- and y-axis is 
Syntax
ellipse(Real, Real, Point)
ellipse(Real, Real, Vector)
ellipse(Real, Real)
ellipse(Real, Real, Point, Vector)
ellipse(Real, Real, Point, Real)
ellipse(Real, Real, Real)
Description
Given two reals a and b and a point C, constructs an ellipse with semi-major axis a, semi-minor axis b and center C.
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Given two reals a and b and a vector v, constructs an ellipse in the direction of v, with semi-major axis a, semi-minor axis b and center the origin.
Given two reals a and b, constructs an ellipse with semi-major axis a, semi-minor axis b and center the origin.
Given two reals a and b, a point C and a vector v, constructs an ellipse in the direction of v, with semi-major axis a, semi-minor axis b and center C.
Given two reals a and b, a point C and a real ω, constructs an ellipse in the direction given by the angle ω, with semi-major axis a, semi-minor axis b and center C.
Given three reals a, b and ω, constructs an ellipse in the direction given by the angle ω, with semi-major axis a, semi-minor axis b and center the origin.
