/// <summary>
/// Draws a filled polygon.
/// </summary>
/// <param name="primitives"></param>
/// <param name="color"></param>
/// <param name="polygon"></param>
public static void FillPolygon(this IPrimitiveRenderer primitives, Effect effect, Color color, Polygon polygon)
{
if (polygon.IsConvex)
{
primitives.FillPolygon(effect, color, polygon.Points);
}
else
{
foreach (var convexPoly in polygon.ConvexDecomposition)
{
primitives.FillPolygon(effect, color, convexPoly.Points);
}
}
}
/// <summary>
/// Draws a filled circle.
/// </summary>
/// <param name="primitives"></param>
/// <param name="color"></param>
/// <param name="center"></param>
/// <param name="radius"></param>
public static void FillCircle(this IPrimitiveRenderer primitives, Effect effect, Color color, Vector2 center, double radius)
{
primitives.FillPolygon(effect, color, new EllipseBuilder().BuildCircle(center, radius).ToArray());
}
/// <summary>
/// Draws a filled ellipse.
/// </summary>
/// <param name="primitives"></param>
/// <param name="color"></param>
/// <param name="center"></param>
/// <param name="majorAxisRadius"></param>
/// <param name="minorAxisRadius"></param>
/// <param name="rotationAngle"></param>
public static void FillEllipse(this IPrimitiveRenderer primitives, Effect effect, Color color, Vector2 center,
double majorAxisRadius, double minorAxisRadius, double rotationAngle)
{
primitives.FillPolygon(effect, color, new EllipseBuilder().BuildEllipse(center, majorAxisRadius, minorAxisRadius, rotationAngle).ToArray());
}
/// <summary>
/// Draws a filled ellipse, inscribed inside a rectangle.
/// </summary>
/// <param name="primitives"></param>
/// <param name="color"></param>
/// <param name="boundingRect"></param>
public static void FillEllipse(this IPrimitiveRenderer primitives, Effect effect, Color color, RectangleF boundingRect)
{
primitives.FillPolygon(effect, color, new EllipseBuilder().BuildEllipse(boundingRect).ToArray());
}
/// <summary>
/// Draws a filled rectangle.
/// </summary>
/// <param name="primitives"></param>
/// <param name="color"></param>
/// <param name="rect"></param>
public static void FillRect(this IPrimitiveRenderer primitives, Effect effect, Color color, RectangleF rect)
{
primitives.FillPolygon(effect, color, new QuadrilateralBuilder().BuildRectangle(rect));
}
