Gizmo Tool

Hey Evolved,
I noticed in your particle editor you managed to create a rather nice looking Gizmo tool - would you be willing to share how you made this? I am working on developing a level editor and would much rather us a gizmo tool than inputting the values.
Many thanks in advance!
-Tyler
I noticed in your particle editor you managed to create a rather nice looking Gizmo tool - would you be willing to share how you made this? I am working on developing a level editor and would much rather us a gizmo tool than inputting the values.

Many thanks in advance!
-Tyler