PlayerToPoint

[GriLLeX]

Hi, I need the function PlayerToPoint to compare the position of the player from the one indicated by me.

I converted the code from Sa-Mp at MTA but 'not to be in command I used said that the position I have chosen, but it is not true .. You place the code:

function PlayerToPoint(radi, source, X, Y, Z)
 
local oldposx, oldposy, oldposz = getElementPosition(source);
outputDebugString("Ext X: "..tostring(X).." Y: "..tostring(Y).." Z: "..tostring(Z).." RADIUS: "..tostring(radi).."");
outputDebugString("Player X: "..tostring(oldposx).." Y: "..tostring(oldposy).." Z: "..tostring(oldposz).."");
	local tempposx = oldposx - X;
local tempposy = oldposy - Y;
local tempposz = oldposz - Z;
 
if (((tempposx < radi) and (tempposx > -radi)) and ((tempposy < radi) and (tempposy > -radi)) and ((tempposz < radi) and (tempposz > -radi))) then 
	return 1; 
else 
	return 0; 
end
end

What's wrong?

[karlis]

duno wuts wrong, but use

[ lua][ /lua]

and return true/false, not 0/1, as it will help in some explists

edit: i think you can use it:

function playerToPoint(radius,player,x,y,z)
  px,py,pz=getElementPosition(player)
return getDistanceBetweenPoints3D(x,y,z,px,py,pz)<radius
end

[GriLLeX]

I apologize for the syntax of the code, however I tried the code but go anyway.

He says he is not the point ...

[Gamesnert]

Slight improvement to karlis' function:

function playerToPoint(radius,player,x,y,z)
local px,py,pz=getElementPosition(player)
return getDistanceBetweenPoints3D(x,y,z,px,py,pz) <= radius
end

Made px,py and pz local, and the distance can now also equal the maximum radius.

Anyway, could you give us some more info then? Like where the player's at, where the target point's at, what the radius is, perhaps some other info you can miss?

[GriLLeX]

I have used this command to implement the function:

function testpoint(source, commandName)
if(playerToPoint(1.0, source, 1612.9732666016,1831.8659667969,10.720313072205)) then
outputChatBox("Sei nel posto giusto");
else
outputChatBox("Non sei nel posto giusto");
end
 
end
 
addCommandHandler("testpoint",testpoint);

[karlis]

thanks gamesnert.

heres few notes:

1) it is recommended to use player as first argument, it will improve compability then.

2)this detects is player in sphere of given radius, not in cube

3)if you want events when you enter the point use colshapes better

[GriLLeX]

Then, I'll explain: I need a function that checks whether the player is in a certain position if that position sends a message that is in place, otherwise sends the opposite.

What should I use?

[karlis]

use

function playerToPoint(radius,player,x,y,z)
local px,py,pz=getElementPosition(player)
return getDistanceBetweenPoints3D(x,y,z,px,py,pz) <= radius
end

, but read the notes i posted before

might you did not understand, but x <=y returns true if y is not smaller then x, false othervise. so

return x<= y

will return given case.

same applys in that function

this is long version witch does same(dont use it, just an example for you to understand):

function playerToPoint(radius,player,x,y,z)
local playerx,playery,playerz = getElementPosition(player)
local distance = getDistanceBetweenPoints3D(x,y,z,playerx,playery,playerz)
if distance <= radius then
return true
else
return false
end
end