Method DrawConnection

Source/Editor/Surface/Elements/OutputBox.cs:51–82

Draws the connection between two boxes. The Visject surface style. The start location. The end location. The connection color. The connection thickness.

(SurfaceStyle style, ref Float2 start, ref Float2 end, ref Color color, float thickness = DefaultConnectionThickness)

        /// <param name="color">The connection color.</param>
        /// <param name="thickness">The connection thickness.</param>
        public static void DrawConnection(SurfaceStyle style, ref Float2 start, ref Float2 end, ref Color color, float thickness = DefaultConnectionThickness)
        {
            if (style.DrawConnection != null)
            {
                style.DrawConnection(start, end, color, thickness);
                return;
            }

            float connectionOffset = Mathf.Max(0f, DefaultConnectionOffset * (1 - Editor.Instance.Options.Options.Interface.ConnectionCurvature));
            Float2 offsetStart = new Float2(start.X + connectionOffset, start.Y);
            Float2 offsetEnd = new Float2(end.X - connectionOffset, end.Y);

            // Calculate control points
            CalculateBezierControlPoints(offsetStart, offsetEnd, out var control1, out var control2);

            // Draw offset lines only if necessary
            if (connectionOffset >= float.Epsilon)
            {
                Render2D.DrawLine(start, offsetStart, color, thickness);
                Render2D.DrawLine(offsetEnd, end, color, thickness);
            }

            // Draw line
            Render2D.DrawBezier(offsetStart, control1, control2, offsetEnd, color, thickness);

            /*
            // Debug drawing control points
            var bSize = new Float2(4, 4);
            Render2D.FillRectangle(new Rectangle(control1 - bSize * 0.5f, bSize), Color.Blue);
            Render2D.FillRectangle(new Rectangle(control2 - bSize * 0.5f, bSize), Color.Gold);
            */
        }

        private static void CalculateBezierControlPoints(Float2 start, Float2 end, out Float2 control1, out Float2 control2)
        {