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Proximity Prompt - Roblox GUI Tutorial #12 — Transcript

by BrawlDev · 3,910 words · 521 segments · language en · Watch on YouTube

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0:00okay Newbert I I know you're mad at me
0:02right now but I did not steal the last
0:05cookie from the cookie jar last night
0:07okay you have to believe me on this bro
0:09wait what are you
0:12saying yeah okay so we're coming to a
0:14general consensus why don't I just Open
0:16this gate so that you can come out and
0:17then we can shake hands like adults how
0:19does that sound does that sound fair to
0:23you okay so I'm about to open the door
0:26so I'm going to open the jail cell uh
0:28I'm just going to be doing this and then
0:30once you come out let's just be civil
0:31about this okay so I'm just going to
0:33open the door uh just like so and
0:37oh oh Newbert Newbert Newbert
0:41Newbert once you're fixated on something
0:43you just can't back out of it can't you
0:46oh my goodness today's video is going to
0:48be about proximity prompts which are
0:50basically these interactive popups that
0:52you see inside of the game that you've
0:54probably seen in many other Roblox games
0:56in the past where you press a certain
0:58key or a certain button to interact with
1:01whatever it is we're trying to interact
1:02with in the game and you can also call
1:04this uh the Press e to interact
1:06functionality that Roblox has provided
1:08to us in which I'm going to be teaching
1:10you how to implement inside of this
1:11video so with that being said let's now
1:14go ahead and go straight into
1:15implementing now that we understand it
1:17let's Implement proximity prompts inside
1:19of Roblox studio so there's a couple of
1:21things we need to know about proximity
1:23prompts before we're able to like see
1:25them inside of our game uh but the first
1:27thing we're going to do is insert a part
1:30so that we can attach our proximity
1:31prompt to that part because we can't
1:34just have a proximity prompt on its own
1:36it needs to be attached to a part or I
1:38believe most 3D objects that are
1:40contained within the game but we're just
1:41going to be inserting a part so I'm
1:43going to go to model and I'm going to
1:44click on part now with this part I'm
1:46just going to scale this up just like so
1:49and what I'm also going to do is rename
1:51this part to proximity part just like
1:55this and then I'm going to hit the plus
1:56sign next to the proximity part and I'm
1:58going to insert a proximity prompt which
2:01should look like this so now that we
2:04have our proximity prompt there's a few
2:05properties that we need to understand
2:07here when we're looking at this
2:09proximity prompt once we interact with
2:11it now if I were to just go into the
2:13game and hit test then we're able to
2:15walk up to the part and we can see our
2:17basic proximity prompts over here so by
2:20default it uses the E key and there is
2:23no object text but there is an action
2:25text that says interact here so if I
2:27press e then it does interact with it
2:29but it doesn't do anything right now we
2:30need to add functionality to it but
2:32before we do that I'm going to hit stop
2:34and I'm going to show you uh some things
2:36we can do to change this proximity
2:38prompt so the first thing to consider is
2:40two things first is the keyboard key
2:42code and then the second one is the
2:44GamePad key code so uh if you're playing
2:46on PC then we need to consider the
2:48keyboard key code that uh you should
2:50press in order to activate this
2:53proximity prompt which by default it's e
2:55so if we select this then we can select
2:57uh a bunch of different keys that we can
2:59use rather than e but just by default
3:01we're going to set it to e and then the
3:03second thing is the gam pad key code so
3:05if you're playing on Xbox or PS4 then
3:08this is what is going to be replaced for
3:10the GamePad key code instead next thing
3:12is the object text and the action text
3:15both of these are two different things
3:16and I'm going to help you understand the
3:18difference between these two so object
3:20text is basically the part or object
3:22that the proximity prompt is currently
3:24in that we're trying to interact with so
3:27you can think of object text as what is
3:30it that we're interacting with and then
3:32we have action text here which is
3:33basically the action that we're going to
3:35be taking with this object that we're
3:37looking at right here which is this
3:38proximity prompt so it can either be
3:41like what action are we going to take or
3:43it could also just be what do you want
3:44the player to do once you activate this
3:47part so for the object text what I'm
3:49going to do is just call this proximity
3:52part and then for the action text we
3:54could just say click just like this just
3:56to make it something different and then
3:57if we go to test and then hit play then
3:59what we should see is if we walk up to
4:02it then it's going to first say the
4:04object text which is going to be the
4:06proximity part and then what's in white
4:09this is going to be the action text
4:11right here and then on the left side
4:13it's going to show our key that we have
4:15to press in order to interact with it
4:16which is e so now we've customized our
4:19proximity prompt just a little bit but
4:20if we try to interact with it it's still
4:22not going to work because this is
4:24something we need to script ourselves so
4:26that is basically some key aspects to
4:29proximity pars that I wanted to show you
4:31so what I'm going to do is I'm going to
4:32go to our proximity part I'm going to
4:34click on the plus sign and I'm going to
4:35insert a script so within the script
4:38what I'm going to do is first locate our
4:39proximity prompt by saying local
4:42proximity prompt equals script. parent.
4:46proximity prompt just like this and
4:48there's two events for proximity prompts
4:50that we can use the first one is going
4:52to be called proximity
4:55prompt. triggered uh colon connect
4:59function open close parenthesis enter
5:01now what this uh event does is it
5:04basically activates when we interact
5:07with the proximity prompt by pressing e
5:09so there's one argument that gets ped
5:12here which is the player who triggers
5:14this proximity prompt so I'm just going
5:16to pass this in as a player and what we
5:18can do just for a simple example is
5:20print the player's name just like so
5:23whenever we interact with the proximity
5:24prompt so if we go into the game and hit
5:25play and we walk up to the proximity
5:27prompt and press e on it then what
5:29should see in the output is the name of
5:31the player who interacted with it which
5:33in this case is me braw battle now
5:36there's something else we can do with
5:37this proximity prompt and that is adding
5:39a hold duration to it uh so that we
5:42don't just press the key and then it'll
5:44automatically trigger so that's with the
5:46use of hold duration down here which is
5:49in seconds so if I put this for let's
5:51say 2 seconds then it's going to add a
5:54hold duration before it actually
5:56triggers the proximity prompt so now if
5:58we go into the game and try this out for
6:00ourselves so we can't press it anymore
6:03but instead we have to hold it for 2
6:05seconds before it triggers it once down
6:08here by printing out braw battle so that
6:10is a little something I wanted to add
6:12there just for more functionality
6:13another thing we can do is add a hold
6:16down functionality to this proximity
6:18prompt if that makes sense like you
6:19basically hold down the proximity prompt
6:22and then after a certain period of time
6:23when you let go then it's basically
6:25going to stop executing the proximity
6:26prompt and we're going to be doing this
6:28by using another event called triggered
6:32ended so if I drop two lines down here
6:33and say proximity
6:36prompt. triggered ended just like this
6:39colon connect function open close
6:41parenthesis and we're going to pass in
6:43the player once again and then we're
6:44going to hit enter so uh what we can do
6:46is just say player has let go of the
6:50proximity prompt just like this and if
6:53we go inside of the game and then hit
6:55play then what we should see happening
6:58is if we activate this proximity prompt
7:01by holding e for two seconds then it's
7:02going to print out my name I still have
7:04the E key uh held down on the keyboard
7:06but once I let go then it's going to say
7:08player has let go of the proximity
7:10prompt and now we're able to um use this
7:12proximity prompt again so that is
7:14basically how we hold down quote unquote
7:17a proximity prompt and you might find
7:19this to be useful if you ever wanted to
7:21try and do this inside of your own game
7:23if you're wondering if we can do this
7:24local sided yes we can and it's pretty
7:26easy actually so what we're going to do
7:28is we're going to go to our script and
7:29we're just going to quickly disable this
7:31I'm going to go to uh starter player and
7:34I'm going to insert a local script
7:35inside of starter player scripts just
7:37like this it doesn't have to
7:38specifically be here but just as as an
7:40example this is where I'm going to put
7:41the local script and the first thing I'm
7:43going to do is locate the proximity
7:45parts so I'm going to say local
7:48proximity part equals game. workpace
7:51colon wait for child proximity part and
7:54then I'm going to locate the proximity
7:56prompt by saying local proximity prompt
8:00equals proximity part colon wait for
8:02child proximity prompt just like that
8:04and then I'm going to say proximity
8:06prompt dot triggered colon connect
8:09function open close parenthesis and then
8:11we're going to pass in the player
8:12although you could also just refer to
8:14the local player since this is a local
8:17script now but we're just going to pass
8:18in the player argument here just like so
8:21and just as a little example what we're
8:22going to do is I'm going to add a remote
8:24event inside of replicated storage send
8:27this over to the server so that the
8:28player who triggered this proximity
8:31prompt will get their health be reduced
8:32by 10 just to like show you a practical
8:34example so what I'm going to do is hit
8:36the plus sign I'm going to insert a
8:38remote event just like this and I'm
8:40going to say take damage just like that
8:43and I'm going to locate this inside of
8:45replicated storage so I'm going to say
8:47local uh take damage equals game.
8:51replicated storage colon wait for child
8:53take damage just like this and then I'm
8:55going to say take damage fire server
8:57just like that and now I'm going to
8:59insert insert a script inside of the
9:01server script service I'm going to go
9:02back to the local script and just copy
9:04our take damage reference and paste it
9:06in here and then I'm going to say take
9:08damage. ons server vent connect function
9:12open close parenthesis player just like
9:14this and then I'm going to basically
9:16just say player.
9:19character. humanoid do Health minus
9:23equals 10 just like this just as a very
9:25simple example basically what this is
9:27going to do is every time we activate
9:29the proximity prompt on the local side
9:32then it's basically going to get rid of
9:3410 HP from our character every single
9:37time we interact with it so what I'm
9:39going to do is I'm actually going to get
9:40rid of the whole duration so I'm going
9:42to make this zero and I'm going to go
9:44and hit play so once we interact with
9:46this proximity pumpt by hitting it once
9:49and if I go to the client or sorry the
9:51server then it's going to say that my
9:54character's Health was reduced by 10 so
9:57if I press it twice and I go to to the
9:59server then it's going to keep reducing
10:01it by 10 every single time so I'm just
10:03going to like spam this and then as you
10:05can see I'm like basically almost dead
10:06just by doing this and if I keep going
10:08then I'm basically dead so that's like a
10:10little functionality for local sided
10:12scripting for proximity prompts if you
10:14ever found this to be useful not just
10:16for this health system but for like
10:18basically anything you could also do
10:20this in the server side as well so don't
10:21feel like it's restricted to just local
10:24side or server side it just depends on
10:25your preference but there are some
10:27instances where it will be useful to do
10:28it on the client side okay so I've seen
10:30this problem happen a lot with proximity
10:32prompts where it just doesn't show up
10:34when you try interacting with it within
10:36the game and one of the most famous
10:38examples is if we let's say had a part
10:41that was too wide like this and we had
10:45the proximity prompts that was still
10:46contained within this part so if I were
10:49to go into the game and hit play and we
10:50walk up to and try to interact with it
10:52then it's not going to show up because
10:54it's located in the center of the part
10:56that we're trying to interact with
10:58rather than being anywhere inside of
11:01this part right here and so this is a
11:02common problem that people have when it
11:04comes to using proximity prompts in
11:06their game they're actually is a
11:07solution to this by being able to select
11:10which area of a part that you can have
11:13this proximity prompt in for more
11:15accurate interaction with the part that
11:17you're trying to interact with and that
11:19is with the use of attachments which I
11:21actually haven't talked about on my
11:22channel yet but I'm going to be showing
11:24you the basics of it in this video so
11:26that you can use it for your proximity
11:27prompts so I'm just going to hit stop
11:29right here an attachment is just simply
11:31a point that is contained within a part
11:35so here's what an attachment looks like
11:37if we were to go to the proximity prompt
11:38and we hit the plus sign and we inserted
11:41a attachment it's going to look like
11:42this so once we insert this attachment
11:45and select it then we can see this
11:47little Green Dot right here with two
11:49axes going on the X Direction and One
11:51going on the y direction now this is
11:54basically where we're going to put our
11:56proximity prompt so that we can have a
11:57more accurate location
11:59for where we want the player to interact
12:01with this proximity prompt so what I'm
12:02going to do is I'm going to go to home
12:04and I'm going to select the move tool
12:06and then I'm going to move the
12:08attachment this way so that we can have
12:11it over here and let's say this was a
12:13door then I would probably have it
12:14somewhere that's over uh let's say here
12:18this is basically where we're going to
12:19have our proximity prompt so now what
12:21I'm going to do is I'm going to take our
12:23proximity prompt in the Explorer and I'm
12:24going to drag it inside of the
12:26attachment just like this and what I'm
12:28now going to do is reenable our script
12:31here that's inside the proximity prompt
12:33and I'm going to relocate our proximity
12:36prompt so it's going to be script.
12:38parent.
12:39attachment just like this and then it's
12:42going to be the proximity prompt just
12:44like so so now if we go uh hit test and
12:47hit play then what we should see inside
12:49of the part that the proximity prompt is
12:51now over here because it is contained in
12:54the attachment where we specified in
12:56this part so this is very useful if you
12:58want to specify a specific location of
13:01where you want to use this proximity
13:03prompt rather than just have it be in
13:05the center of the part that it's
13:06attached to by default so if we now
13:09interact with this then it's going to
13:10print out my name at the bottom when I
13:12let go of e then it's going to say
13:13player has let go of the proximity
13:15prompt and that is basically how we use
13:17attachments to solve this problem that a
13:19lot of developers do face with proximity
13:21prompts so Roblox has another property
13:23for us to use with proximity prompts and
13:26that is called exclusivity which
13:28basically tells tells us like how many
13:31proximity prompts do we want to show on
13:33screen if we're close by to them or if
13:35we want to just show one proximity
13:37prompts one at a time just so that we
13:39don't have a bunch of proximity prompts
13:41shown at the same time within the same
13:43distance that's what exclusivity does
13:45for us and I'm going to show you the
13:46difference between all three settings
13:48here which the first one by default is
13:50called one per button but just to make
13:52things simple I'm actually going to take
13:54the attachment and what I'm going to do
13:56is I'm going to duplicate it and then
13:58move it this way like this and I'm also
14:00going to duplicate it one more time and
14:02then move it upward just like this so
14:03now we have three attachments with three
14:06proximity prompts in them so I'm just
14:08going to select all of them and I'm
14:10going to click on the drop down I'm
14:11going to first show you always show
14:14which I think is the most
14:15self-explanatory one so if we hit play
14:17then what we should see is basically all
14:20of the proximity prompts showing at the
14:23exact same time as long as I'm within
14:25the range for this proximity prompt
14:27which we can specify with the max
14:30activation distance which is 10 studs so
14:32all of them show at the exact same time
14:35but there's a way we can change the
14:36exclusivity of these proximity prompts
14:38so if we hit stop then I'm going to show
14:40you the other ones so the next one is
14:43called one globally which basically only
14:46shows one proximity prompt at a time if
14:48we were to go inside of here then it's
14:50basically only going to show one
14:52proximity prompt and it's not going to
14:53show all three of them at the same time
14:55so that's what one globally means but
14:57now the last one this one's going to be
14:59a little tricky this one is called one
15:01per button which basically means that
15:04it's going to exclusively show a
15:07proximity prompt if two proximity
15:09prompts or more have the same exact key
15:12that's contained within it so what I'm
15:14talking about is for all of these all of
15:17them use the E key to activate it but if
15:20I had this third attachment let's say
15:23this one right here if we change the
15:24keyboard key code to something different
15:27like let's say r
15:29and if we now go into the game and hit
15:31play then what we should see is
15:33basically a proximity prompt here that
15:35says we can press e but also it shows
15:38the r key that we can press as well but
15:40it's not showing both of the E proximity
15:43prompts because we said it to be one per
15:45button I hope like this has made sense
15:47to you where it's like if we have one
15:49per button then it's only going to show
15:50proximity prompts of having one
15:52proximity prompt per button one of them
15:55being R and one of them being e but if
15:57this was let's say one GL globally then
15:59it doesn't matter what key it is because
16:01it's still going to show one proximity
16:03prompt no matter what so that's
16:05basically how exclusivity works and I
16:07hope that you found this part to be
16:08useful so for this last part of the
16:10video I want to quickly address the
16:11difference between a proximity prompt
16:13and a click detector now a click
16:16detector is basically roblox's old way
16:18of being able to interact with objects
16:21inside of the game so if I were to show
16:24you what this looks like let's insert a
16:26click detector inside of the proximity
16:28prompt and let's hit play so if I were
16:31to hit play then what we should see is
16:33this icon change inside of our Mouse
16:36where it shows that we are able to click
16:38on this part now this is the only
16:40functionality that this click detector
16:42does it allows us to click this object
16:45that's contained within the game and
16:46that's basically all this does so it's
16:48pretty simple and it's pretty primitive
16:50compared to what we have now with
16:52proximity prompts so you can use click
16:54detectors in your game if you want but
16:56proximity prompts kind of supersede the
16:59functionality of Click detectors and you
17:00don't need click detectors anymore but
17:02there can be some use cases of when you
17:04would decide to use click detectors over
17:06proximity prompts so that is kind of a
17:09little explanation that I can give with
17:11click detectors now if you want to make
17:12this click detector functional I can
17:14quickly add a script and I'm going to uh
17:17say script. parent and there's only one
17:20event that's useful which is mouse click
17:23colon connect function open close
17:26parenthesis and then we pass in the
17:28player clicked on it just like we did
17:30with proximity prompts and then we can
17:31print out player clicked on the part and
17:34then if we were to go into the game and
17:36hit play then what we should see is if
17:38we click on the part then it's going to
17:40say player clicked on the part and that
17:41is pretty self-explanatory one last
17:43thing is the max activation distance
17:45kind of like proximity prompts where
17:46it's like how far away does it take for
17:48us to actually click on this part or
17:50interact with it and things like that
17:52and so that is basically the difference
17:54between proximity prompts and click
17:55detectors and it's kind of a matter of
17:57preference of which one you decide to to
17:58use for your Roblox game so that is
18:01basically going to be it for this
18:02episode and I hope you enjoyed this
18:03tutorial on proximity prompts so if you
18:06want to learn more about interacting
18:07with parts in the game using guis then I
18:10encourage you to watch my billboard GUI
18:13tutorial that I will have for you right
18:14here on screen but with that being said
18:16that's basically going to be it for this
18:17episode I hope you enjoyed it and I will
18:19see you in the next one take care

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