Function setInteractionX

src/core/createRenderCoordinator.ts:4986–5002

(x, source)

  const getInteractionX: RenderCoordinator['getInteractionX'] = () => interactionX;

  const setInteractionX: RenderCoordinator['setInteractionX'] = (x, source) => {
    assertNotDisposed();
    const normalized = x !== null && Number.isFinite(x) ? x : null;

    // External interaction should not depend on y, so we treat it as “sync” mode.
    pointerState = { ...pointerState, source: normalized === null ? 'mouse' : 'sync' };

    setInteractionXInternal(normalized, source);

    if (normalized === null && pointerState.hasPointer === false) {
      crosshairRenderer.setVisible(false);
      highlightRenderer.setVisible(false);
      hideTooltipInternal();
      emitCrosshairCallback(null);
    }
    requestRender();
  };

  const onInteractionXChange: RenderCoordinator['onInteractionXChange'] = (callback) => {
    assertNotDisposed();