a less than 100 lines standalone script that makes it easy to draw bar charts inside unity's OnGUI
https://github.com/bitcake/bitstrap/blob/master/Assets/Runtime/Util/GUILayoutChart.cs
a less than 100 lines standalone script that makes it easy to draw bar charts inside unity's OnGUI
https://github.com/bitcake/bitstrap/blob/master/Assets/Runtime/Util/GUILayoutChart.cs