Using a video as the background for your chart

I’m learning how to make charts and was wondering how do you use a video for a background..

You’ll need to work with the BGCHANGES section of your .sm file so you can swap the background from your static background for the file to the video you want for the background once the file starts.

BGCHANGES has a fixed format to follow that uses a series of arguments separated by = signs. They’re detailed here:

A summary is that you need to state the time at which you want to switch to your video background, the file name of your video, the update/playback rate of your video, followed by some effect parameters for how you want the video played.

If you want some examples to follow, several files in Otaku’s Dream 9th/10th Anime Mix switch to video backgrounds, and you can look at their .sm files in any text editor to see the setup.

Zeta also created a tool to assist with adding BGCHANGES, if you want it:

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Thank you!