#1
How to make any signal negative.
Archive: 16 posts
A very simple one this, thought I would put it here on the off chance someone didn't know already, To make any signal negative, simply plug the signal into the negative port of a Combiner and leave the other port empty. Any signal that comes out of that Combiner will be negative. | 2011-02-15 23:59:00 Author: merkaba48 ![]() Posts: 79 |
A very simple one this, thought I would put it here on the off chance someone didn't know already, To make any signal negative, simply plug the signal into the negative port of a Combiner and leave the other port empty. Any signal that comes out of that Combiner will be negative. Umm what exactly are you talking about here? Nothing about this sounds like LittleBigPlanet on PSP so maybe you're lost? Welcome anyways ![]() | 2011-02-16 00:10:00 Author: WoodburyRaider ![]() Posts: 1651 |
Oh, acorns. Wrong forum! Okay here's a PSP one: You can destroy all of an emitted object by triggering a brain inside it. They don't need to be connected. This is different to the PS3 version which will only destroy objects attached to the brain - on the PSP, it will destroy ALL the components that are part of the collected object. This was used in the Turbo pack level4 to destroy the pencils with the tank (you can tell beause you you get points for destroying them!) | 2011-02-16 15:40:00 Author: merkaba48 ![]() Posts: 79 |
Moved to LBP2 tutorials. ![]() | 2011-02-16 17:00:00 Author: Morgana25 ![]() Posts: 5983 |
What would one use a negative output for exactly? | 2011-02-16 18:46:00 Author: Krondelo ![]() Posts: 136 |
Or you can simply attatch a NOT gate to it. ![]() | 2011-02-16 19:08:00 Author: Silverleon ![]() Posts: 6707 |
Or you can simply attatch a NOT gate to it. ![]() That just makes the signal a no, not negative. ![]() There's a lot of times when a negative signal is handy. You can use it in conjunction with sequencers and timers in health bar applications... don't ask me how, I've just seen it done and it blows my mind. | 2011-02-16 19:13:00 Author: Morgana25 ![]() Posts: 5983 |
Not to mention NOT gate is only good to make signal always positive since it return inverted absolute value | 2011-02-16 19:58:00 Author: Shadowriver ![]() Posts: 3991 |
if we think of signals in terms of output from 0 to 1, a NOT gate simply does the calculation of 1-signal and returns the absolute value (on digital signals this basically flips between 1and 0). It doesn't invert the sign. I thought the same thing at first. Even though it will not invert a digital signal to its opposite, as I learned from rtm's logic blog, using the NOT gate on an analog signal makes adding two values quite easy. Negative signals are useful for things like subtracting one from a counter, or making a timer count backwards, or controlling the direction of a mover/bolt/rotator. | 2011-02-16 20:20:00 Author: tdarb ![]() Posts: 689 |
Not to mention NOT gate is only good to make signal always positive since it return inverted absolute value Two NOT gates, not one(100-(100-x)). Putting a signal to direction combiner's positive input is better(requires 2 times less components ![]() | 2011-02-16 21:13:00 Author: darkphoenix ![]() Posts: 97 |
Two NOT gates, not one(100-(100-x)). Putting a signal to direction combiner's positive input is better(requires 2 times less components ![]() You can set "Invert output" to off on NOT gates. I haven't tested but I suspect it will still do the absolute value, and with "2 times less" inputs. | 2011-02-16 21:27:00 Author: Tygers ![]() Posts: 114 |
If you set "invert output" to no, NOT gate will act like a circuit node-it won't affect signal(and it saves the sign). Tested | 2011-02-16 21:39:00 Author: darkphoenix ![]() Posts: 97 |
Good to know | 2011-02-16 22:23:00 Author: Tygers ![]() Posts: 114 |
Two NOT gates, not one(100-(100-x)). Putting a signal to direction combiner's positive input is better(requires 2 times less components ![]() wouldn't the two NOT gates in that equation just return your original signal? | 2011-02-16 22:24:00 Author: tdarb ![]() Posts: 689 |
wouldn't the two NOT gates in that equation just return your original signal? The correct equation for a NOT gate is 100 - |x|, and (100 - |(100 - |x|)) is the same as |x|, which you can, as noted, get easier from a signal combiner. | 2011-02-16 22:31:00 Author: Tygers ![]() Posts: 114 |
Two NOT gates, not one(100-(100-x)). Putting a signal to direction combiner's positive input is better(requires 2 times less components ![]() I know ![]() | 2011-02-16 23:14:00 Author: Shadowriver ![]() Posts: 3991 |
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