Method Render

implot3d_items.cpp:434–453

    void Init(ImDrawList3D& draw_list_3d) const { GetLineRenderProps(draw_list_3d, HalfWeight, UV0, UV1); }

    IMPLOT3D_INLINE bool Render(ImDrawList3D& draw_list_3d, const ImPlot3DBox& cull_box, int prim) const {
        ImPlot3DPoint P2_plot = Getter(prim + 1);

        // Clip the line segment to the culling box using Liang-Barsky algorithm
        ImPlot3DPoint P1_clipped, P2_clipped;
        bool visible = cull_box.ClipLineSegment(P1_plot, P2_plot, P1_clipped, P2_clipped);

        if (visible) {
            // Convert clipped points to pixel coordinates
            ImVec2 P1_screen = PlotToPixels(P1_clipped);
            ImVec2 P2_screen = PlotToPixels(P2_clipped);
            // Render the line segment
            PrimLine(draw_list_3d, P1_screen, P2_screen, HalfWeight, ColGetter(prim), UV0, UV1, GetPointDepth((P1_plot + P2_plot) * 0.5));
        }

        // Update for next segment
        P1_plot = P2_plot;

        return visible;
    }

    const _Getter& Getter;
    const _GetterColor ColGetter;