public static Drawing3d CreateDrawing(float duration = -1, Material material = null)
{
GameObject newDrawingObj = new GameObject("Drawing");
Drawing3d newDrawing = newDrawingObj.AddComponent <Drawing3d>();
newDrawing.Init(instance, material != null ? material : instance.UnlitVertexColorMaterial, duration);
instance.m_Drawings.Add(newDrawing);
return(newDrawing);
}
