public static void DrawEllipse(Figures.Ellipse ellipse, EllipseDrawingMethod drawingMethod = EllipseDrawingMethod.Polygon)
{
switch (drawingMethod)
{
case EllipseDrawingMethod.Triangles:
{
for (var i = 0; i < ellipse.PointsCount - 1; i++)
{
Graphics.Triangle
(
x1: ellipse.Center.X, y1: ellipse.Center.Y,
x2: ellipse.Points[i].X, y2: ellipse.Points[i].Y,
x3: ellipse.Points[i + 1].X, y3: ellipse.Points[i + 1].Y,
fillColor: ellipse.FillColor,
borderColor: FloatColor.Transparent
);
}
if (ellipse.IsCompleted)
{
Graphics.Triangle
(
x1: ellipse.Center.X, y1: ellipse.Center.Y,
x2: ellipse.Points[0].X, y2: ellipse.Points[0].Y,
x3: ellipse.Points[ellipse.PointsCount - 1].X, y3: ellipse.Points[ellipse.PointsCount - 1].Y,
fillColor: ellipse.FillColor,
borderColor: FloatColor.Transparent
);
}
break;
}
case EllipseDrawingMethod.Polygon:
{
if (ellipse.IsCompleted)
{
Graphics.Polygon(ellipse.FillColor, FloatColor.Transparent, ellipse.Points.Where((point, index) => index != ellipse.PointsCount - 1));
}
else
{
Graphics.Polygon(ellipse.FillColor, FloatColor.Transparent, ellipse.Points.Where((point, index) => index != ellipse.PointsCount).Append(ellipse.Center));
}
break;
}
}
Graphics.SetBorder(ellipse, ellipse.BorderColor);
}
public static void DrawRectangle(Figures.Rectangle rectangle)
{
if (!rectangle.FillColor.IsTransparent)
{
GL.Begin(PrimitiveType.Quads);
GL.Color4(rectangle.FillColor.R, rectangle.FillColor.G, rectangle.FillColor.B, rectangle.FillColor.A);
foreach (var point in rectangle.Points)
{
GL.Vertex2(point.X, point.Y);
}
GL.End();
}
Graphics.SetBorder(rectangle, rectangle.BorderColor);
}
public static void DrawPolygon(Figures.Polygon polygon)
{
if (!polygon.FillColor.IsTransparent)
{
GL.Begin(PrimitiveType.Polygon);
GL.Color4(polygon.FillColor.R, polygon.FillColor.G, polygon.FillColor.B, polygon.FillColor.A);
foreach (var point in polygon.Points.Reverse())
{
GL.Vertex2(point.X, point.Y);
}
GL.End();
}
Graphics.SetBorder(polygon, polygon.BorderColor);
}
public static void DrawTriangle(Figures.Triangle triangle)
{
if (!triangle.FillColor.IsTransparent)
{
GL.Begin(PrimitiveType.Triangles);
GL.Color4(triangle.FillColor.R, triangle.FillColor.G, triangle.FillColor.B, triangle.FillColor.A);
foreach (var point in triangle.Points)
{
GL.Vertex2(point.X, point.Y);
}
GL.End();
}
Graphics.SetBorder(triangle, triangle.BorderColor);
}