void SetupBrushUI()
{
m_AnnotationPointer = ObjectUtils.CreateGameObjectWithComponent <AnnotationPointer>(rayOrigin, false);
m_OriginalAnnotationPointerLocalScale = m_AnnotationPointer.transform.localScale;
var brushSize = m_Preferences.brushSize;
m_AnnotationPointer.Resize(brushSize);
var brushSizeUi = this.InstantiateUI(m_BrushSizePrefab, rayOrigin: rayOrigin);
m_BrushSizeUI = brushSizeUi.GetComponent <BrushSizeUI>();
var transform = brushSizeUi.transform;
var scale = transform.localScale;
transform.SetParent(alternateMenuOrigin, false);
transform.localPosition = Vector3.zero;
transform.localRotation = Quaternion.Euler(-90, 0, 0);
transform.localScale = scale;
m_BrushSizeUI.onValueChanged = value =>
{
var sliderValue = Mathf.Lerp(MinBrushSize, MaxBrushSize, value);
m_Preferences.brushSize = sliderValue;
m_AnnotationPointer.Resize(sliderValue);
};
m_BrushSizeChanged = m_BrushSizeUI.ChangeSliderValue;
}