Augmented Reality

Basics of Building an Android app using AR features.

Transcript

1. Augmented Reality Pulkit Kumar @DroidPulkit Student / Researcher @ Lambton College
2. What is Augmented Reality? It adds digital elements in our world, with the help of camera of our smartphone.
3. Disclaimer This is just a fun game in no way, the author is affiliated to any political organization
4. Objective
6. Requirements • Unity3D software • Unity Account (Optional) • Vuforia Developers account • Some Assets to download
7. Unity • It is a cross platform game engine • Download it from unity.com (Personal edition) • Create a new project name : ARDemo with 3D option selected
8. Setup • Select Layout -> Default from the top right corner to get the layout as below
9. Setup - 2 • Go to File -> Build Settings • Choose Android then switch platform
10. Setup - 3 • On Left side in the Hierarchy pane, right click on Main Camera and delete it • In that pane only Right Click and choose Vuforia -> ARCamera • Again Right Click and choose Vuforia -> Image. This will add a ImageTarget
11. Setup • Go to Edit -> Project Setting -> Player • On the right in the Player Settings, select Android, other settings and change the package name to com.ardemo • Scroll down and deselect Android TV compatibility.
12. Setup • Scroll further down and select XR Settings and select Vuforia Augmented Reality.
13. Setup • On the left side, select the ARCamera and it will open stuffs in Inspector window on the right. Click Open Vuforia Configration We need to add the Vuforia Licence Key

14. Vuforia Vuforia is an augmented reality software development kit for mobile devices that enables the creation of augmented reality applications
15. Vuforia Setup • Go to https://developer.vuforia.com/ and register and click on Develop -> Licence Manager. And we will click on Get Development Key. • We will write app name as ARDemo and create a key, open the app name, and copy paste the licence key to App Licence Key in Unity
16. Vuforia • Now we want to 3D object to be displayed on a surface right? So I choose a Dollar Bill. • Download a picture of dollar bill from google and go to the Target Manager in Vuforia’s website and add a database named DollarNoteDB of TYPE : Device
17. Vuforia • Now to add the note, we click on DollarNoteDB -> Add Target -> Single Image -> and upload the jpeg image of Dollar note. Enter width as 5, and name it as “Dollar”, then we add it.
18. Vuforia • Now we need to download the Database to be used in the unity project • So we click on Target Manager again, the select the database “DollarNoteDB” and click on Download Database (All)
19. Downloading Assets Now we need to download the Donald Trump Low Poly 3D Figure. All credit goes to Denny for making this possible by developing this 3D model
 We can download the model from the link below. https://bit.ly/2S6LTs2 * Unzip the assets
20. Importing Now let’s import. In Unity Click on Assets
21. Importing • Drag and Drop DollarNoteDB.unitypackage and LowPolyTrump Folder to the Assets and click on Import • This will bring the dollar note and the 3D model of the trump to the project
22. Setup 1) Now select ARCamera and Click Open Vuforia Configuration
23. Setup In Databases unselect all databases and select dollarNoteDB and click activate along with it
24. Setup • Click Image Target • In Inspector Pane, select 
 Type : Predefined
 Database : dollarNoteDB
 Image Target : dollar • Set value of Y in position as -30
 
 This will bring a dollar note in the scene screen
25. Now we need to add trump on top of the note So, we start by going to assets folder -> LowPolyTrump -> Anims -> Trump_lp_anim_iddle Setup
26. Setup Now we will drag and drop trump idle on the top of ImageTarget
 So now the Trump Anim is the child of ImageTarget
27. Setup Now click on trump idle from the Hierarchy view 
 Change value of Y in Rotation to 180
 and Change the Scale to 0.3
28. Setup All this leads to this
29. Time to build on Android • Click File -> Build Settings • Click Add Open Scenes • Enter main and save • Select Android from Platform • Make sure Build system is gradle
30. Installing • Click Build and Run • It will ask for name to save it, enter “main” • Then we have to select the Android SDK • Make sure to connect your phone to the machine and turn on usb debugging • Build and Enjoy
31. Questions?
32. Downloads The final code for this tutorial can be found at http://bit.ly/2AaFEfK APK to download to Android Phone http://bit.ly/2Kou5pK
33. Bonus I have added a script to make trump walk around with a joystick, you can download the project from the link below http://bit.ly/2Qf0PHk
34. Credits • This presentation is possible because of this author on YouTube. • Feel free to watch his Tutorial method also http://bit.ly/2Dz3oNE