@Override
    public void drawFront(GuiGraphics graphics, Point mouse, float partialFrame) {

        List<Component> tooltip = getToolTip(mouse, isFirstHit(mouse));

        renderTooltip(graphics, mouse, tooltip);
    }
Renders a viewport within the node frame. Overrides provided to obtain the camera position fov, etc.
core/src/main/java/mrtjp/projectred/redui/ViewportRenderNode.java