This 3rd party plugin might be just what you want..

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Here's a very basic timer example.

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using the time remaining in seconds global variable to set the width of your progress bar would do the trick.

Without seeing your events and or your capx, it's hard to give specific information.

Is there any logic in which numbers you want to perform certain actions to?

Using or blocks in combination with else blocks could be an option, but if there's any logic behind the numbers, using that logic in the events might cut down the number of events immensly..

Is the "App is updating" text set to be invisible normally, so it is only set to visible when updating?

Is this the original size of the sprite?

What program did you use to make it?

Did you resize it before importing?

What program did you resize it with?

Are you using linear or point-sampling in your project?

without animation it would be

+Mouse on cursor over sprite

• sprite set opacity 100

Else - sprite set opacity to 50

if you want the opacity to slowly change:

+Mouse on cursor over sprite

• sprite set opacity sprite.opacity+1

Else

sprite compare opacity > 51

• sprite set opacity to sprite.opacity-1

I think adding a period offset of half the period would get the exact result you'd like..

I guess in the actions it would be set the cycle position of one of the bullets created to 0.5

instead of random(1,3) you could use choose(1,2,3)

random(1,3) can also produce 1.5, 1.7, 2.3, etcetera as an answer, so the chance of it being exactly 1 or 2 or 3 is pretty small..

other options would be to use round(random()), floor(random()) ceil(random() or int(random())

from the manual:

random(x)

Generate a random float from 0 to x, not including x. E.g. random(4) can generate 0, 2.5, 3.29293, but not 4. Use floor(random(4)) to generate just the whole numbers 0, 1, 2, 3.

random(a, b)

Generate a random float between a and b, including a but not including b.

So what you could do..

Draw inside the lines

This is far from perfect and pretty intensive because of the amount of sprites created, but it shows how combining blendmodes and effects can create the effect you're aiming for..

A triggered event can not be inverted.

If you could explain more clearly what you are trying to accomplish, we might be able to explain how to do that..

I guess you were trying Something like this