Archive: 12 posts

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I'm making a retro racing game, and using holographic material with a sequencer, the lines in the middle of the road go back in blocks, like an old 8 bit game. As the sequencer moves forward it turns different holographic strips on and off, one after the other, however at the end, when it loops back to the start, there seems to be a small flash, as if all the holographic material is off for a split second while its looping back to the start. Am i doing something wrong, or is this just an unavoidable consequence of using the sequencer, and is there any way of getting around the problem if it is? thanks

2011-03-16 16:30:00 Author: Unknown User

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I had the same issue with my basketball scoreboard in the beta. It seems to be an issue with the sequencer, an additional frame is displayed as "off." Edit: I don't think this happens when you wire a single output to the one after it, but that would speed the animation up quite a bit. If you want to try this method I'd suggest using every other input to light up the strips to eliminate the flashing effect yet still have the animation play at a reasonable speed.

2011-03-16 16:37:00 Author: Unknown User

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see, on the sequencer i just have batteries placed on after the other, and each battery is attatched to about 8 holographic strips, then the next battery is attatched to 8 strips about 2 small grid blocks lower down, and so on. Are you suggesting i don't use a sequencer at all, and use timers to keep the strips on, then move onto the next strip, i think that could be possible! Would looping work too? i can't see why it wouldn't Thanks!

2011-03-16 17:00:00 Author: Unknown User

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Try and make your batteries go past the ends of the sequencer. I know for a fact that if you place a battery at the very beginning of a sequencer, it will not be on the ZERO mark, and will be off. However, there is also latency when activating sequencers, but I don't know if it applies to a looping sequencer at the loop point. To test this, stretch a battery all the way across a sequencer set to loop, and make sure the battery is stretched off both ends. Hook the battery to a NOT gate and then to a light bulb and see if you get a flash at the loop point. If this is the case, you might have to use two sequencers one offset from the other (so it takes over at the point of the loop), or use timers.

2011-03-16 17:33:00 Author: Shanghaidilly Posts: 153

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yeah, i just attatched a battery which was covering the whole sequencer to a piece of holographic, and every time it looped back to the start, it flashed off for a split second. I'll try work something out leaving the sequencer out altogether, thats a bit of a glitch on Media Molecules part, either they didn't think it'd be a problem, or they just overlooked it having not thought to test it that thoroughly. EDIT: making the battery go off the end of the sequencer doesn't affect it. so it must be at the start, and the battery isn't able to go off the start Re-EDIT: The battery IS able to go off at the start, by half a square! and this DOES fix the problem! Thanks guys!

2011-03-16 17:45:00 Author: Unknown User

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What about adding some XOR or AND thing to it and see if that stops the flash? Perhaps a battery the size of the sequencer, set to a AND, and to every item...that may be way to annoying though.

2011-03-16 17:55:00 Author: celsus Posts: 822

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EDIT: making the battery go off the end of the sequencer doesn't affect it. so it must be at the start, and the battery isn't able to go off the start Re-EDIT: The battery IS able to go off at the start, by half a square! and this DOES fix the problem! Thanks guys! Glad to help.

2011-03-16 18:39:00 Author: Shanghaidilly Posts: 153

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Interesting. So does the battery hanging off the start have any negative effects?

2011-03-16 18:46:00 Author: celsus Posts: 822

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Interesting. So does the battery hanging off the start have any negative effects? It shouldn't. I use them all the time and rtm covered doing this in his blog.

2011-03-16 19:01:00 Author: Shanghaidilly Posts: 153

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Am i doing something wrong, or is this just an unavoidable consequence of using the sequencer, and is there any way of getting around the problem if it is? Many people have found Sequencer looping to be somewhat unreliable from a timing POV. If you're only using it for that, and If each battery should be active for the same length of time, how about creating a self-resetting Timer which feeds into a Selector's Cycle input, then use the Selector outputs to light the hologram?

2011-03-16 21:05:00 Author: Aya042 Posts: 2870

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Oops, I thought you were talking about the selector. I did use the selector for my basketball display, just created a pulsator and connect it to the cycle input. I would recommend using the selector instead and wire the first input up to the second, the second input to the third, etc. Then make a connection to your holograms every 2nd or 3rd input to create a reliable animation yet still keep it slow enough to be seen.

2011-03-17 13:03:00 Author: Unknown User

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Interesting. So does the battery hanging off the start have any negative effects? Nope, well it messed up the timing cause it obviously doesn't count the part of the battery that was off the end, that was simply fixed by lengthening the battery by half a square, so a whole square of battery was on the sequencer, which was what I wanted.

2011-03-21 09:27:00 Author: Unknown User

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