public static List <VertexArray> FunctionPresenter(Func <float, float> function, FloatRect borders, float x_step, Color cl, float line_width, LineStyle style)
{
bool[] lines = Lines[(int)style];
List <Vector2f> vertexList = new List <Vector2f>( );
//VertexArray result = new VertexArray(PrimitiveType.Lines);
float start = borders.Left;
float end = borders.Left + borders.Width;
float up = borders.Top;
float down = borders.Top + borders.Height;
float y_prev = 0; // undefined
float x_prev = 0; // undefined
for (float x = start; x <= end; x += x_step)
{
try {
float y = function(x);
//result.Append(new Vertex(new Vector2f(x_prev, y_prev), cl));
//result.Append(new Vertex(new Vector2f(x, y), cl));
if (y < down && y > up)
{
vertexList.Add(new Vector2f(x, y));
}
x_prev = x;
y_prev = y;
} catch {
}
}
//return result;
return(SimpleUtils.GenerateLineWithThickness(vertexList, cl, line_width, lines));
}
public void Draw(SpriteBatch surface)
{
new CircleShape(Size, this.Transform).Draw(surface);
if (Orbit == null)
{
Orbit = SimpleUtils.GenerateRingTexture((UInt32)Math.Round(Radius), 0f);
}
surface.Draw(Orbit, Parent.Transform.Position - _orbitSize);
}
public override void Draw(SpriteBatch surface, Transform transform)
{
SimpleUtils.Draw(surface, Texture, new Transform(transform.Position, transform.Scale * 2f * Radius / BASE_RADIUS, transform.Rotation, transform.Color));
}