Unity 3D work

well, i am using Unity 3D for the two games i’m currently working on (‘flip that mind‘ and ‘nano messiah’) and have found myself creating various solutions for the games’ requirements, thought i’d put them up for the rest of the world to benefit from 🙂

Camera collision system

made in unity 3.2, this prefab sets up a system with an orbit camera, where the camera moves close to the player if obstructed by any objects in it’s view. it’s not perfect, but is generally quite smooth 🙂 go world,benefit!

http://www.megaupload.com/?d=JGHF3SIF

how to use:-

1) download this prefab from the megaupload link up there

2) open unity, go to the assets section, right click and say ‘import package’. import the downloaded package.

3) you’ll see the prefab called ‘FTM_camera_system’

4) drag this into your project(delete/deactivate your existing camera)

5) select the ‘FTM_camera_system’ prefab, one of it’s children is ‘maincamera’, and the other is ‘maincamguide’

6) select ‘maincamera’, look at the inspector, you’ll see that in the script, the ‘target’ field says ‘none (transform)’

7) find your character controller (if you’re using the lerpz turorial, that would be lerpz) and drag it into this empty slot

this should work let me know if you have any problems…

Tip: to avoid the camera acting unintentionally with glass, thin bars etc, you can ask the ray shooting from the script ‘FTM_CameraCube’ (attached to ‘colchecker’, son of ‘maincamguide’) to ignore the layers these things are on, figure it out!!

i intend to build these options into version 2, but it really isn’t that hard, you’ll learn something young padawans.

EDIT: added extensive ‘how to use’ section

Unity script that allows multiple tags

note: for any object to enjoy the benefit of ‘multiple tags’, you should give it one tag first, call it ‘MultiTag’ if you please.

the script:-

var Tags : String[];

function Tag (TagX : String)

{

for(var i=0;i<Tags.Length;i++)

{

var TempBool : boolean = (TagX ==Tags[i]);

if(TempBool)

{

return true;

}

}

return false;

}

Notes:-

that’s it, store this text in a file called TagScript.js, now attach TagScript.js to any object you want to assign multiple tags to

 

 

 

 

 

 

 

 

 

and then just set the size, and type in your tags 🙂 i think if i dive into a little more of unity ‘editor’ scripting i might be able to add the tags as a drop down list, lets see, this is it for now 🙂

oh yes last thing, why i asked you to give the object the tag ‘MultiTag’ is because this script is to be used thus-

usual ‘if’ statement to check for tags :-

if(object.tag == “Tag”)

{

//do something….

}

with this script, you have to use:-

if(object.tag ==”MultiTag”)

{

if(object.transform.GetComponent(TagScript).Tag(“Tag”))

{

//do something….

}

}

if you try to run this code on things that don’t have the tag ‘MultiTag’ it’ll keep giving you those ghastly ‘Nullreferenceexception’ errors that come when an attempt is being to access something that isn’t there.

GetComponent only works if the thing you’ve typed in the bracket (in this case, my script ‘TagScript’) actually is attached to the object. so to avoid those errors, only attach ‘tagScript’ to an object you’ve already tagged as ‘MultiTag’ and have attached ‘TagScript’ to…

also it doesn’t have to be ‘transform.GetComponent’, it works also with the object’s ‘gameObject’ and ‘rigidbody’ components, just read up on how GetComponent works, it’s very useful….