/// <summary>
/// Creates a Polygon in the shape of a rectangle.
/// </summary>
/// <param name="width">The width of the rectangle.</param>
/// <param name="height">The height of the rectangle.</param>
/// <returns>A rectangle shaped Polygon.</returns>
public static Polygon CreateRectangle(float width, float height) {
var poly = new Polygon();
poly.Add(0, 0);
poly.Add(width, 0);
poly.Add(width, height);
poly.Add(0, height);
return poly;
}
/// <summary>
/// Creates a Polygon in the shape of a circle.
/// </summary>
/// <param name="radius">The radius of the circle.</param>
/// <param name="steps">How many steps to use to create the circle (higher is rounder.)</param>
/// <returns>A circle shaped Polygon.</returns>
public static Polygon CreateCircle(float radius, int steps = 32) {
var poly = new Polygon();
(steps).Times((i) => {
var angle = 360f / steps * i;
poly.Add(Util.PolarX(angle, radius) + radius, Util.PolarY(angle, radius) + radius);
});
return poly;
}