Do you want to make something like that?
Audio Analyzer plugin for UE4 [Ring Visualizer] - YouTube](Audio Analyzer plugin for UE4 [Ring Visualizer] - YouTube)
Some maths for that visualizer
To calculate the position of the cube you need to apply the cos/sen of the angle of the cube inside the circle. For example if we want 8 bands:
The first one will be in the 0 degrees position, the second in 45*, the third one in 90… Now with that angle use the cos to get the X position of the transform and the sin to take the Y position.
AngleOffset = 360/NumBands
RingSize = 1000
Foreach loop CubeId 0 -> Numbands CubeAngle = AngleOffset * CubeId
CubePosX = Cosd(CubeAngle) * RingSize
CubePosY = Sind(CubeAngle) * RingSize
Set Cube Transform
[INDENT=2]Location (CubePosX, CubePosY, 0)[/INDENT]
[INDENT=2]Rotator (0, 0, CubeAngle)[/INDENT]
[INDENT=2]Scale (1,1,1)[/INDENT]
The full project of this and other visualizers can be found in the patreon page.