Пример #1
0
        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));
        }
Пример #2
0
 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);
 }
Пример #3
0
 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));
 }