Logic Blog - updated 2011/02/06

[Sehven•]

....a little simple jumping vehicle...

That's a good point. I don't think it would've occurred to me to do it your way: I probably would've used a separate mover during jumps and just given it 50% of the strength of the other one. Your solution is more elegant and has further reaching implications. It's the kind of extra polish that will separate the really good vehicles from all the other crap out there.

Don't get me wrong, even without examples, I found it all interesting, and I was able to follow most of it, but like Aya said, I was starting to wonder why I'd care about a sine wave. I used to work in communications, so I know how useful sine waves can be in the real world, but I can't think of anything that could be achieved with one in lbp. Still, it's a decent example because it's something anybody with any kind of electrical or engineering background can relate to.

[Fishrock123]

Don't get me wrong, even without examples, I found it all interesting, and I was able to follow most of it, but like Aya said, I was starting to wonder why I'd care about a sine wave. I used to work in communications, so I know how useful sine waves can be in the real world, but I can't think of anything that could be achieved with one in lbp. Still, it's a decent example because it's something anybody with any kind of electrical or engineering background can relate to.

Hmmmm.... Maybe something akin to Johnee's dragonfly's "hover jitter"?

[X-FROGBOY-X]

Shameless bump, I managed to power through this first instalment of Logic Blog 2, and what a beastie it is - huge wall of text awaits those brave enough here.

It's over 4000 words longs, so Id advise you to take it in stages, section 2 can be skipped initially (though it's probably well worth reading at some point), and realistically each of the sections is a logical stopping point if you need a break. It probably needs an extra proof read, but I don't feel like doing it right now, so I apologise for errors.

As ever, comments, feedback and questions in the thread or in the blog, please

Thanks! I'll read it right away! BTW, rtm just double-posted? oh mai lawd!

[Fishrock123]

Guys, is there any way to make a intersect function? (intersect of two value ranges of course).

Or.. Should I just wait until I get the tools?

[rtm223]

Intersect of two value ranges? I'm not entirely sure what you mean? What would be the inputs to such a system and what output would you expect?

[Fishrock123]

Intersect of two value ranges? I'm not entirely sure what you mean? What would be the inputs to such a system and what output would you expect?

This.

Just the intersection range between two different ranges of values. (4 inputs, the min and max of the first range, and second. | 2 outputs, the min and max of the intersection of the values.)

[Aya042]

4 inputs, the min and max of the first range, and second. | 2 outputs, the min and max of the intersection of the values.

If you don't need to handle negative values, then it's pretty simple. The intersection would be from the maximum of the two 'min' values, to the minimum of the two 'max' values, so feed both 'min' values into an OR gate, and both 'max' values into an AND gate. You'll might have to deal with the case where the resulting 'min' is higher than the resulting 'max', which indicates there's no intersection range.

If you do need negative values, then it's a little trickier, as the gates compare magnitude, not value. What exactly do you need this for?

[Fishrock123]

If you don't need to handle negative values, then it's pretty simple. The intersection would be from the maximum of the two 'min' values, to the minimum of the two 'max' values, so feed both 'min' values into an OR gate, and both 'max' values into an AND gate. You'll might have to deal with the case where the resulting 'min' is higher than the resulting 'max', which indicates there's no intersection range.

If you do need negative values, then it's a little trickier, as the gates compare magnitude, not value. What exactly do you need this for?

Partially wondering, and possibly something "HitPoints" wise. And, no, positive values will be just fine. If you have negative HP, your dead, I think...

[rtm223]

An alternative could be to test for being in either range and then ANDing the result... Probably far less efficient though and I don't think there are any benefits.


New blog out, though it's not an interesting one, merely a precursor to the next proper one which will be out once formatting and pictures are completed:

Analogue Logic - Notation

[GruntosUK]

Yeah, whatever was said in this thread I agree with and completely understand, 100%.

[rtm223]

It possibly doesn't help being as drunk as I know you are right now Grant

[rtm223]

the next proper one which will be out once formatting and pictures are completed:

bam

and filler here... shhhhh it's not spam if the moderators do it....

[Super_Dork_42]

I like the date you chose for the update. 10/10/2010 or 10-10-10 a.k.a. 101010 = 42 in binary.

[rtm223]

In fairness, I chose to publish on the day it was finished. All else is coincidence

[rtm223]

http://www.lbpcentral.com/forums/ent...-3-DAC-amp-ADC

Probably the most painful logic blog to produce ever. I have no idea why, because it's al pretty simple this time around. Also, it's just ADC and DAC, covered in great detail, so you may well know the vast majority of the base concepts.

Once again, not fully proof read - point out my errors to me please