How do you make a bot stop moving?

[Testlund]

I couldn't find any explanation on the wiki how to stop a bot once it has started moving, to prevent it from keep moving forever.

[Moonfisher]

I don't think I understand the question... you mean like .fixpos or fluid resistance ?

[Numsgil]

You can check against *.velup, etc. and feed the negative of that value in to .up, etc.

See Sysvar list if you haven't yet.  There's good references there for different sysvars you can use.

[Testlund]

I've been looking through the sysvar lists and bot tutorials the whole evening. I understand what they mean but not how they are supposed to be combined. I tried this, but it has no effect on stopping the bot:

cond
*.shflav -1 =
start
25 .up store
stop
cond
*.myup 25 =
start
-25 .up store
stop
cond
*.shflav -6 =
start
25 .dn store
stop
cond
*.mydn 25 =
start
-25 .dn store
stop

[Moonfisher]

mydn is not you movement speed, it's the amount of .dn commands in the dna...
.veldn is your speed... and if you set .up to -25 you'll be moving backwards...

[Panda]

do you want it to start moving again afterwards or just stop altogether

[Testlund]

I just want it to move away a bit whenever it gets shot.

[Panda]

Whenever you want it to stop, try

Code: [Select]

  *.velup - .up store
  *.veldx - .dx store

[Testlund]

I'm trying all sorts of combinations but nothing works. Sorry, but I don't see any logic at all in bot programming. Maybe you can tell me how I put it together?  

[Peter]

I think this works

//resetter put this before the other gene!
cond
*.fixed 0 !=
start
0 .fixpos store
stop


cond
(when bot should stop)
start
.fixpos inc
stop

[Peter]

cond
*.velup 0 !=
*.veldn 0 !=
start
  *.velup - .up store
  *.veldx - .dx store
stop

I think this is the most simple solution.

[Testlund]

No, it doesn't work.

[Panda]

Is the aim of the bot to move away from a bot that is shooting it...
if so then you could

Code: [Select]

cond
  *.shflav -1 =
  *.shflav -6 = or
start
  *.refvelup 30 add .up store
  *.refveldx 30 add .dx store
stop

cond
  *.shflav 0 =
start
  *.velup - .up store
  *.veldx - .dx store
stop
Im hoping that'll work.

[Peter]

I tested the genes, and they work. Both they have a short impulse speed for one cycle then stop.

Could you post the bot you're working on.
If your problem is slight random movement every cycle, brownion movement is causing that. You could deactivate that in the physics tab.

Also if your goal is just to stop the bot moving the next cycle you can use toggle zero momentum with the (advanced)physics options.


Gene testing code.

Code: [Select]

cond
*.velup 0 !=
*.veldn 0 !=
start
*.velup - .up store
*.veldx - .dx store
stop

cond
  *.robage 10 =
start
*.maxvel .up store
stop
and

Code: [Select]

cond
*.fixed 0 !=
start
0 .fixpos store
stop


cond
*.velup 0 !=
*.veldn 0 !=
start
.fixpos inc
stop

cond
  *.robage 10 =
start
*.maxvel .up store
stop

[Panda]

I have ammended the code

Code: [Select]

cond
  *.shflav -1 =
  *.shflav -6 = or
start
  *.maxvel .up store
  *.maxvel .dx store
stop

cond
  *.shflav 0 =
start
  *.velup - .up store
  *.veldx - .dx store
stop