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Seting the inital state of a variable (Fuse)
Hello,
Its not the first time I come across this problem. But I usually find workarounds. Here it goes :
I’m creating a “fuse” variable with 2 states which switch randomly.
Basicly in state 0 a light’s intensity is a fixed value and in state 1 the intensity is controlled by a noise value.
BUT, I can’t find a way to set the initial state of the fuse. I tried this :
if (time == 0) fuse = 0…….
But that doesn’t seem to work.
Is there a way to set a variable only at run time of the script ?
Thank you very much
Jess -
4 Replies
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It’s not clear what you’re trying to do, exactly, but it looks like you want set a variable at the first frame and have that value persist. Expessions can’t pass information from one frame to the next, so whatever you do at time = 0 is lost at the next frame. As you mention, there are usually ways around this, depending on what you’re trying to do.
Dan
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Ok I’ll try and explain my problem again.
I’m using a 3D light and I want it to randomly blink (like a broken neon).
So I need the light to have 2 states :
– Normal state, the light stays on
– Blink state, the light blinks randomlyIn the code provided the “fuse” variable sets the state of the light. But I just can’t find a way to create the variable at code runtime.
Any clue ?
if (time == 0) {
fuse = 0;
}level = 270;
amp = 100;
if (random() > 0.9 && fuse ==0) {
fuse = 1;
}if (random() > 0.5 && fuse ==1) {
fuse = 0;
}if (fuse == 1) {
noise(time*10) * amp + level-amp;
} else {
level;
} -
I think the path you’re on here will lead to nothing but frustration. See if this helps:
https://www.motionscript.com/expressions-lab-ae65/swinging-light.html
Dan
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Thank you very much Dan. It looks like a nice solution.
Too bad I didn’t just check your site before I posted.
By the way, its nice of you to share all this valuable information.
Have a nice day !
Jess
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