Lua : self.entity nil possible ?

[YouGroove]

I had some simple GetPosition inside a function called walk() called from UpdateWorld() :

 

 local positionPlayer = self.entity:GetPosition(true)
if positionPlayer.x < self.xminPos then
-- self:walkMinPos()
else
-- --self:walkMaxPos()
end

 

It didn't worked as i had nil for that code :

self.entity:GetPosition(true)

 

Is that normal ?

I put above code directly in UpdateWorld() instead of calling a function and it worked ?

Is something i do in bad way ? would not self.entity accessible from any function we create ?

[Rick]

Make sure you defined your walk function like:

 

function Script:Walk()
end

 

My guess is you defined it just like:

 

function Walk()
end

 

If you don't know why you need to do that then you don't have a fundamental idea of how Lua is working. Let me know and I can help explain.

 

I'f I'm wrong then we need to see the entire script.

[YouGroove]

If you don't know why you need to do that then you don't have a fundamental idea of how Lua is working. Let me know and I can help explain.

 

I use Lua for all ennemies, my own functions, even ennemies or player calling each other scripts, i'm not so newbbie with Lua in LE3 i guess ?

 

That's simple :

same code in UpdateWordl : ok

same code in function : error nil

 

That's not first time strange things happens with LE3.

[Rick]

Where is self.xmin defined or given a value? After seeing what you have there I now think that this function is being called before you define or give xmin a value. LE doesn't do anything strange to Lua, which is why the reason is 99.9% always your usage of it and not understanding how it works.

[YouGroove]

I just changed function name to walkToMin and calling it from updateWorld() it worked, the function is called and runned with any problem.

What to say ? strange

[Rick]

You keep not showing us the whole script so we have to guess...

 

There is no mystery to programming. The computer does what you tell it to do, but we need to see the script to tell what's up.

[YouGroove]

Perhaps something i didn't seen, but just changing the name worked ?

When i will upload the Shoothemup kit, you will be able to download it, it will have some comment for that function and we will take a look if you want