public static class Input
    {
        public static void UpdateInput(Game game)
        {
            MouseState mouseAttributes = Mouse.GetState();
            IsMouseVisible = true;
            mousePosition = new Vector2(mouseAttributes.X, mouseAttributes.Y);

            if (Keyboard.GetState().IsKeyDown(Keys.Escape)) this.Exit();

            if (mouseAttributes.MiddleButton == ButtonState.Pressed) drawShape = true;

            if (mouseAttributes.RightButton == ButtonState.Pressed)
            {
                points = new Vector2[100];
                index = -1;
                drawShape = false;
                drawCentroid = false;
                drawWarning = false;
            }

            if (mouseAttributes.LeftButton == ButtonState.Pressed && !drawShape && index < 99)
            {
                if (index == -1)
                {
                    index++;
                    points[index] = mousePosition;
                }
                else if (points[index] != mousePosition)
                {
                    index++;
                    points[index] = mousePosition;
                }
            }

        }

    }