Getpos + some distance

[1para{god-father} 105]

I am setting a marker position but i need to add some distance onto this so it will be way from the _vehicle and in a randon directon as it is a appreox location marker.

Not sure how to addthis bit on

getPos _vehicle

[CarlGustaffa 4]

//square
_marker setMarkerPos [(getPos _vehicle select 0) - 0.5 * _dist + (random _dist), (getPos _vehicle select 1) - 0.5 * _dist + (random _dist)];
//polar
_dist = random 40;
_angle = random 360;
_marker setMarkerPos [(getPos _vehicle select 0) + (_dist * cos _angle), (getPos _vehicle select 0) + (_dist * sin _angle)];

[1para{god-father} 105]

Many thanks,

But this seems to put the marker a very long way infact the other end of the map most of the time? does not matter what i set the _Dist to ?

tower.sqf

if isserver then {
// get starting spot and range
_marker = _this select 0;
_radius = _this select 1;
_pos = getmarkerpos _marker;
// Find a good spot for the spawn (open area, not in trees)
_exp = "(1 + meadow) * (1 - forest) * (1 - trees)";
_prec = 100;
_bestplace = selectBestPlaces [_pos,_radius,_exp,_prec,1];
_spot = _bestplace select 0;
_spot2 = _spot select 0;
// Create the radar tower
_name = "Land_radar_EP1" createVehicle _spot2;
// Name it randomly 
_unitname = format["radar_%1", floor(random 100)];
_name setVehicleInit format ["%1 = this; this setVehicleVarName ""%1""",_unitname];
processInitCommands;


// Create a marker at the tower.
_dist = random 5;
_angle = random 359;
_marker = createMarker[format["marker%1",_name],getPos _name ];
_marker setMarkerShape "ICON";
_marker setMarkerType "FLAG";
_marker setMarkerText " Radar Tower";
_marker setMarkerSize [.50, .50];
_marker setMarkerPos [(getPos _name select 0) - 0.5 * _dist + (random _dist), (getPos _name select 1) - 0.5 * _dist + (random _dist)];

// Create a trigger at the tower.
_trigger = createTrigger["EmptyDetector", getPos _name]; 
_trigger setTriggerArea[0,0,0,false];
_trigger setTriggerActivation["None","PRESENT",true];
_trigger setTriggerStatements[format["!alive %1",_name], "HINT 'Radar Down'", ""]; 

};

Edited July 31, 2011 by psvialli

[dmarkwick 261]

In case you are perhaps copying the above without realising how it works, I'll reformat CarlGustaffa's answer:

//square
_dist = random 40;
_marker setMarkerPos [(getPos _vehicle select 0) - 0.5 * _dist + (random _dist), (getPos _vehicle select 1) - 0.5 * _dist + (random _dist)];

OR

//polar
_dist = random 40;
_angle = random 360;
_marker setMarkerPos [(getPos _vehicle select 0) + (_dist * cos _angle), (getPos _vehicle select 0) + (_dist * sin _angle)];

[KC Grimes 79]

//polar
_dist = random 40;
_angle = random 360;
_marker setMarkerPos [(getPos _vehicle select 0) + _dist*sin(_angle), (getPos _vehicle select 0) + _dist*sin(_angle)];

Try that for circle. I think in Carl's the math was multiplying distance with angle.

[CarlGustaffa 4]

Well, my bad if I didn't get the paranthesis right. Stuff like that happens when you don't test it :p But I think Grimes is wrong on using sin for both x and y. And yeah, DMarkwick is right, I forgot to assign _dist to a value, but you don't have to do random there as well. Also you assign a value to _angle while going for the square method which doesn't use it, but I'm not sure why it would move to other side of map...

[KC Grimes 79]

Ah. You're right. The second one should be cos :D That's what I get for rushing and just c/p ing.

[Jezuro 452]

Or, for those of us who don't need to remember that stuff all the time, there is the Functions Module!

_marker setMarkerPos ([_vehicle, random 40, random 360] call BIS_fnc_relPos)

[1para{god-father} 105]

That is nice to know !

Many thanks