About getProjectedPoint(object, point) i did saw it has also getUnProjectedPoint(object, point) but there's no real tutorial on the forum (if you can call it that) that shows how to use the first

I did this http://wiki.maratis3d.org/index.php?tit … ng_GUIDemo but it's C++ not Lua. It uses that function.
BTW the function itself it's very simple, you have a point in your scene, let's say where your game character is, let's say it's P(50,50,0). You do

MVector3 position = camera->getProjectedPoint(MVector3(50,50,0));

and what you get is the screen 2D coordinates stored in the variable "position". Z is of course not counted.
As simple as that.
If then you want to display something (a text for example) at such position, it's a bit trickier since Maratis don't have a 2D GUI "engine" yet, but you can use my tutorial linked above to see how to do it with the current version.

About getProjectedPoint(object, point) i did saw it has also getUnProjectedPoint(object, point) but there's no real tutorial on the forum (if you can call it that) that shows how to use the first, and when i used the later i just couldn't make it work well, rayhit function was what i tried next and it worked right away, has i said i'm not a real coder, for the most part i need to see already made code to be able to implement my ideas, i just lack for the time being a "coder brain" where i see my ideas on my head already "code" formated, ,  i'm more of a artist.  Even the idea that made it possible for me to make the "mouse over" code was a Anael thread showing another user how to use the rayhit funtion with screenshots.

But day after day i'm starting to "get it".

Again i will read more about the classes then, good night.

Hello guys i was able to fake a mouse over script here, i change the cursor image by a hand image when i mouse over a object, i use the rayhit function to detect the object and i just activate or deactivate a fake cursor (a plane with a image with emission on and a follow plus lookAt behavior, that is right in front of the camera) when the ray detects the object i want the cursor changes, works fantastically.

But now i have a question, from my inexperienced point of view, every time i want to make a object "mouse over" enabled, i need to make individual functions to all new objects (with repeated code), imo if true this would be unmanageable with so many different interactive objects on a scene, (and the script would be very confusing and big), but if i add a way to Tag a object then this would not be a major problem, does it?  Because i think only one function would work for all objects with different names but tagged for example "interactive".

for example a getTag() function would be nice but has it doesn't exist, at least i don't see it anywhere, what can you guys suggest that i do? Do i really need to make a bunch of functions for every object on my level that i want interactive or there's a more easy way?

What you really want is a CLASS. This is part of the reason I made my post on how to make classes in lua. Anael also responded with a link to the wiki.

Also, have you seen the:

getProjectedPoint(object, point)

function?

I think that has something to do with the mouse also.

On Classes:

Classes are just what they sound like. An apple belongs to the class of FRUIT, and so does an orange. A man belongs to the class of HUMANS, and so does a woman.

Fruit also have various properties, like TASTE and COLOR and TYPE. These would be variables in the class. And humans have various properties also, like a NAME and an AGE and a RACE. Humans also have ABILITIES. Humans can WALK, and TALK, and JUMP, etc. These would be functions in the class (Also called METHODS).

So if I were to create a new variable named manzana, and I made it part of the fruit class, I could just give it properties and abilities without having to type out the function over and over for a new fruit.

When you make variables that have these abilities and properties they are called OBJECTS.

Example:

--We make joe a person
joe = newPerson()

--now we can do stuff with joe
joe:Walk()
joe:Speak()
joe:Dance()

print (joe.name)
print (joe.age)
print (joe.height)

--create another person
sara= newPerson()
sara:Speak()
sara:Dance()
sara:Walk()

print (sara.height)
print (sara.age)
print (sara.name)

And we could keep doing this over and over and over.

But now i have a question, from my inexperienced point of view, every time i want to make a object "mouse over" enabled, i need to make individual functions to all new objects (with repeated code), imo if true this would be unmanageable with so many different interactive objects on a scene, (and the script would be very confusing and big), but if i add a way to Tag a object then this would not be a major problem, does it?  Because i think only one function would work for all objects with different names but tagged for example "interactive".

for example a getTag() function would be nice but has it doesn't exist, at least i don't see it anywhere, what can you guys suggest that i do? Do i really need to make a bunch of functions for every object on my level that i want interactive or there's a more easy way?