C++ Question DelThruster

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marcogavazzeni

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Hi guys,
I have created this code for my vessel engine:

Code: 
[FONT=Courier New][SIZE=2][COLOR=#008000][FONT=Courier New][SIZE=2][COLOR=#008000]
[SIZE=2][FONT=Courier New][COLOR=#008000]// main thrusters[/COLOR][/FONT][/SIZE]
[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2]th_main[0] = CreateThruster (_V(0.0,-0.0,-2.91), _V(0,0,1), MAX_MAIN_THRUST, ph_main, ISP);[/SIZE][/FONT]
[SIZE=2][FONT=Courier New]th_main[1] = CreateThruster (_V(-0.0,-0.0,-2.91), _V(0,0,1), MAX_JET_THRUST, ph_jet, ISP);[/FONT][/SIZE]
 
[SIZE=2][FONT=Courier New]CreateThrusterGroup (th_main, 2, THGROUP_MAIN);[/FONT][/SIZE]
 
[SIZE=2][FONT=Courier New]AddExhaust (th_main[0], 3, 0.3, _V(0.0,-0.257,-3.91), _V(0,0,-1),tex_main);[/FONT][/SIZE]
[SIZE=2][FONT=Courier New]AddExhaust (th_main[1], 3, 0.3, _V(-0.0,-0.557,-3.91), _V(0,0,-1),tex_jet);[/FONT][/SIZE]
 
[SIZE=2][FONT=Courier New][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff]void[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2][COLOR=#000000] ShuttlePB::clbkPostStep ([/COLOR][/SIZE][/FONT][/SIZE][/FONT][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff]double[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2][COLOR=#000000] simt, [/COLOR][/SIZE][/FONT][/SIZE][/FONT][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff]double[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2][COLOR=#000000] simdt, [/COLOR][/SIZE][/FONT][/SIZE][/FONT][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff]double[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2][COLOR=#000000] mjd)[/COLOR][/SIZE][/FONT]
[SIZE=2][FONT=Courier New]{[/FONT][/SIZE]
[/SIZE][/FONT][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff]if[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2][COLOR=#000000] (cover_proc >=0.01)[/COLOR][/SIZE][/FONT]
 
[SIZE=2][FONT=Courier New]{ [/FONT][/SIZE]
[SIZE=2][FONT=Courier New]SetThrusterMax0 (th_main[0],0 );[/FONT][/SIZE]
[SIZE=2][FONT=Courier New]SetThrusterMax0 (th_main[1] ,23045);[/FONT][/SIZE]
[/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2]}[/SIZE][/FONT]
[/SIZE][/FONT][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff]if[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2][COLOR=#000000] (cover_proc <=0.01)[/COLOR][/SIZE][/FONT]
[SIZE=2][FONT=Courier New]{ [/FONT][/SIZE]
[SIZE=2][FONT=Courier New]SetThrusterMax0 (th_main[1] ,0);[/FONT][/SIZE]
[SIZE=2][FONT=Courier New]SetThrusterMax0 (th_main[0] ,14700);[/FONT][/SIZE]
[/SIZE][/FONT][FONT=Courier New][SIZE=2]
 
[SIZE=2][FONT=Courier New]}[/FONT][/SIZE]
[/SIZE][/FONT]
[/FONT][/SIZE][/SIZE][/FONT]

The problem is that the flames continue to see, how do I remove the texture when I selected only one mode?
Code: 
[COLOR=#000][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff]void[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2] ShuttlePB::clbkPostStep ([/SIZE][/FONT][/SIZE][/FONT][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff]double[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2] simt, [/SIZE][/FONT][/SIZE][/FONT][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff]double[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2] simdt, [/SIZE][/FONT][/SIZE][/FONT][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff]double[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2] mjd)[/SIZE][/FONT]
[SIZE=2][FONT=Courier New]{[/FONT][/SIZE]
[/SIZE][/FONT][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff]if[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2] (cover_proc >=0.01)[/SIZE][/FONT]
 
[SIZE=2][FONT=Courier New]{ [/FONT][/SIZE]
[SIZE=2][FONT=Courier New]SetThrusterMax0 (th_main[0],0 );[/FONT][/SIZE]
[SIZE=2][FONT=Courier New]SetThrusterMax0 (th_main[1] ,23045);[/FONT][/SIZE]
[/SIZE][/FONT][FONT=Courier New][SIZE=2][COLOR=#008000][FONT=Courier New][SIZE=2][COLOR=#008000][FONT=Courier New][SIZE=2][COLOR=#008000]// DelExhaust (th_main[0]) ;[/COLOR][/SIZE][/FONT]
[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2]}[/SIZE][/FONT]
[/SIZE][/FONT][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff][FONT=Courier New][SIZE=2][COLOR=#0000ff]if[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2][FONT=Courier New][SIZE=2] (cover_proc <=0.01)[/SIZE][/FONT]
[SIZE=2][FONT=Courier New]{ [/FONT][/SIZE]
[SIZE=2][FONT=Courier New]SetThrusterMax0 (th_main[1] ,0);[/FONT][/SIZE]
[SIZE=2][FONT=Courier New]SetThrusterMax0 (th_main[0] ,14700);[/FONT][/SIZE]
[/SIZE][/FONT][FONT=Courier New][SIZE=2][COLOR=#008000][FONT=Courier New][SIZE=2][COLOR=#008000][FONT=Courier New][SIZE=2][COLOR=#008000]// DelExhaust (th_main[1]) ;[/COLOR][/SIZE][/FONT]
[/COLOR][/SIZE][/FONT][/COLOR][/SIZE][/FONT][FONT=Courier New][SIZE=2]
 
[SIZE=2][FONT=Courier New]}[/FONT][/SIZE]
[/SIZE][/FONT][/COLOR]
This mode cause CTD :facepalm:
 
Xyon

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I can only see half of it. Take the black colours out, and then I might be able to assist you.
 
Thorton

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What exactly do you want to do?
If you want just switch to another engine construction should be:
Code: 
if (cover_proc >=0.01)
{ 
SetThrusterLevel  ( th_main[0],    0.0);
SetThrusterLevel  ( th_main[1],    1.0);
}
if (cover_proc <=0.01)
{ 
SetThrusterLevel  ( th_main[1],    0.0);
SetThrusterLevel  ( th_main[0],    1.0);

}

However it is not good idea to put this code in PostStep, it's better to allow animation function trigger this selection.
Also it looks like you do not understand what is actually SetThrusterMax0 () do.
 
Last edited:
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marcogavazzeni

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Xyon said:
I can only see half of it. Take the black colours out, and then I might be able to assist you.
Click to expand...

you see?
Code: 
if (cover_proc >=0.01)
 
[COLOR=black]{ [/COLOR]
[COLOR=black]SetThrusterMax0 (th_main[0],0 ); [/COLOR]
[COLOR=black]SetThrusterMax0 (th_main[1] ,23045);[/COLOR]
[COLOR=black]}[/COLOR]
[COLOR=black]if (cover_proc <=0.01)[/COLOR]
[COLOR=black]{  [/COLOR]
[COLOR=black]SetThrusterMax0 (th_main[1] ,0);[/COLOR]
[COLOR=black]SetThrusterMax0 (th_main[0] ,14700);[/COLOR]
[COLOR=black]}[/COLOR]



In this mode does not work
Thorton said:
What exactly do you want to do?
If you want just switch to another engine construction should be:
Code: 
if (cover_proc >=0.01)
{ 
SetThrusterLevel  ( th_main[0],    0.0);
SetThrusterLevel  ( th_main[1],    1.0);
}
if (cover_proc <=0.01)
{ 
SetThrusterLevel  ( th_main[1],    0.0);
SetThrusterLevel  ( th_main[0],    1.0);
 
}
Click to expand...


I changed this....
Code: 
// animate cover jet engine
 if (cover_status >= DOOR_CLOSING) {
  double da = simdt * COVER_OPERATING_SPEED;
 if (cover_status == DOOR_CLOSING) {
 if (cover_proc > 0.0)
    cover_proc = max (0.0, cover_proc-da);
 
   else {
    cover_status = DOOR_CLOSED;
    SetThrusterMax0 (th_main[1],0 ); 
    SetThrusterMax0 (th_main[0] ,14700);
   }
  } else { // 
   if (cover_proc < 1.0)
    cover_proc = min (1.0, cover_proc+da);
   else {
    cover_status = DOOR_OPEN;
    SetThrusterMax0 (th_main[0] ,0);
    SetThrusterMax0 (th_main[1] ,24000);
  }
  }
  SetAnimation (anim_cover, cover_proc);
  }
But the problem remains,the rendering of flames engine.

I want this:

SetThrusterMax0 (th_main[1],0 ); Flames engine OFF
SetThrusterMax0 (th_main[0] ,14700);Flames engine ON

SetThrusterMax0 (th_main[0] ,0); Flames engine OFF
SetThrusterMax0 (th_main[1] ,24000); Flames engine ON

How can i do?
 
Izack

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You can turn off the WYSIWYG editor (this button:
switchmode.gif
) and remove all the colour tags. It helps to do that if you're using another application to compose your posts. :tiphat:
 
tblaxland

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marcogavazzeni said:
I changed this....
Click to expand...
See what Thornton said. SetThrusterMax0 sets the maximum available thrust, it does not set the current trust from the engine. Unless you are varying the maximum thrust available from the engines (you don't seem to be), you should not need to call this function since you just need to set the thrust correctly when you define the thruster initially. Use SetThrusterLevel to turn the thrusters on and off instead. The exhaust flames will disappear by themselves when you set the thrust level to zero.
 
computerex

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OK, to me it seems that you are trying to shut off one thruster while some gate is closed, and you are opening it back up once it is open. Keep in mind, that your SetThrusterMax function will be executed multiple times because it is called every timestep. You don't want that. Have some bool in your class, and use that as a flag.
 
Last edited:
M

marcogavazzeni

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Izack said:
You can turn off the WYSIWYG editor (this button:
switchmode.gif
) and remove all the colour tags. It helps to do that if you're using another application to compose your posts. :tiphat:
Click to expand...
How strange...I use the white backround :shrug:
If I write in red is ok?:cool:

tblaxland said:
See what Thornton said. SetThrusterMax0 sets the maximum available thrust, it does not set the current trust from the engine. Unless you are varying the maximum thrust available from the engines (you don't seem to be), you should not need to call this function since you just need to set the thrust correctly when you define the thruster initially. Use SetThrusterLevel to turn the thrusters on and off instead. The exhaust flames will disappear by themselves when you set the thrust level to zero.
Click to expand...
I already tried this option(SetThrusterLevel),but it produces problem with the adjustment of engine power,if I press Ctrl and + does not work,only work by pressing + and go quicly to full power

Xyon said:

Nope.

Here's why:

That's essentially BBcode linguini, there.
Click to expand...

Sorry :beathead:

computerex said:
OK, to me it seems that you are trying to shut off one thruster while some gate is closed, and you are opening it back up once it is open. Keep in mind, that your SetThrusterMax function will be executed multiple times because it is called every timestep. You don't want that. Have some bool in your class, and use that as a flag.
Click to expand...
My ship has two engines,one engine work in the atmosphere,and one engine work in space.

Using the switch in the VC can be defined as an engine to use,always adjusting the power by pressing CTRL and + for both engines.

The problem is that the rendering of flame engine is not running,no disappears.

I tried using this feature :
bool DelThruster (THRUSTER_HANDLE &th) const;
But i'm not able to produces result :sos:

Sorry for my bad english :cool:
 
M

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The max. thrust rating of a thruster (SetThrusterMax0) is not involved in calculating the visibility of the exhaust texture. Only the current thrust level is considered for this. It is assumed that the vessel code defined the exhaust geometry appropriately for the thruster during initialisation.

What you can try instead is disconnecting the thruster from its fuel tank, using SetThrusterResource with a NULL propellant handle. You should however not do this in clbkPostStep, but only at the point where you actually disable the thruster.
 
orb

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marcogavazzeni said:
How strange...I use the white backround :shrug:
If I write in red is ok?:cool:
Click to expand...
Not really OK for all posts you'll write, but I'll tell you how to remove formatting from text in WYSIWYG editor.

Here's for example your red text as seen in WYSIWYG editor for me:


First, place the text cursor somewhere in the text, and then press CTRL+A. This will select all the text in the post:


Next, press the button that is highlighted at the top-left side of the editor on below image:


This is the result of the above operation, and you can submit / save your post, this time without color:
 

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M

marcogavazzeni

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martins said:
The max. thrust rating of a thruster (SetThrusterMax0) is not involved in calculating the visibility of the exhaust texture. Only the current thrust level is considered for this. It is assumed that the vessel code defined the exhaust geometry appropriately for the thruster during initialisation.

What you can try instead is disconnecting the thruster from its fuel tank, using SetThrusterResource with a NULL propellant handle. You should however not do this in clbkPostStep, but only at the point where you actually disable the thruster.
Click to expand...

I created another group, THG_USER and everything works well.
I tried to use SetThrusterResource, but I take issue with the power setting.

Thank you all for your help :cheers:
 
Last edited by a moderator:
Xyon

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orb said:
Not really OK for all posts you'll write, but I'll tell you how to remove formatting from text in WYSIWYG editor.
Click to expand...

I've edited three or four of marcogavazzeni's posts attempting to remove the inserted [color=#000] tags. That button does not work to remove them.
 
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