building a strope-effect on a LED Matrix

[metalshot]

hello

i've try to programming a flash/strope-effect without having a strope. i want to use normal RGB-lightsorces.
now i'm testing with a RGB-panel. Via the RGB-Matrix i've choosen "Random Single" in the modus Additiv.

from this i've made a Sequence. so i've got a sequence with 20 Steps (one per light). as holdingtime i dit 20ms (na fading).
but now is one light always on. now i want to have a bloackout scene, which time i can chance via an input.

betrween every step i've insert a black-scene. for this scene i want to chance the holing-time, without changeing the 20ms flashingtime from the lights... but i don't get it.

at the virtuell console i've made a time-tap. this time should be my blackout time, when no light is flashing... i don't know, with settings i have to use

can someone help me?
Thanks - Flo

(pictues are in the wrong direction)

[mcallegari]

There's a "Strobe" preset for RGB Matrix. Have you tried that?

[metalshot]

thanks
yes, but this preset is very booring. All LEDs are flashing at the same time and its not more a lightning than a flashing (you know what i mean? )
the on and of time is the same.

i want every LED flashing alone, with a adjustable off-time

[markzvo]

So you want a "sparkle"???

Try "3D Starfield" or "Noise" or "Random Single" - increase the timing so it looks more strobe-like

[Franzi]

If you truly want different timing between "lights on" and "lights off", none of the above solutions give you that.
So my solution is more complicated but gives you exactly this effect: fixed "lights on" and variable "lights off" time.
Maybe there are others, better solutions but here´s mine:
Add a loopback channel and name it "trigger for the sequence in the chaser" if you like
Make your collection like before with the help of a rgb-script. You can use any pattern you like of corse.
Go to the sequence and change it to "random order".
Create a script, name it "script for trigger to advance the chaser with the sequence"
The script must set the loopback "trigger for the sequence in the chaser" to 255 and wait 1 msec (without the wait, it won´t work)
Create a chaser "chaser for the sequence". Add the sequence as a step and set the hold time to the value you would like to have the lights on,
in your case, 20msec. Change the chaser to "only run once".
Create a second chaser "chaser for the script to set the trigger" and add the "script for trigger to advance the chaser with the sequence".
This chaser should loop.
The create 2 cues and one time dial in the virtual console.
One cue must contain "chaser for the sequence" and use the "trigger for the sequence in the chaser" as an inout for "next"
The cue uses "chaser for the script to set the trigger".
Add the "chaser for the script to set the trigger" to the speed dial.
There you are.
Start the cue "chaser for the script to set the trigger" and it will do the trick.

random strobe with wait.qxw

(23.01 KiB) Downloaded 67 times

Eventualy you can get rid of the sequence and add multiple functions to a "random" chaser, depends on what´s more efficient.