Vr webinar for Codemotion

Creare applicazioni VR
Giovanni Laquidara
Milano 10-11 Novembre 2017

@joaolaq
XR Engineer, Mobile developer
Giovanni Laquidara
www.laquysoft.com

@joaolaq@joaolaq
• Debut 2014
• Over 10 million shipped by Google (Q1 2017)
• Over 88 million totally
• 3DOF
• Apps in Google Play speciﬁc section
• Android and iOS!
https://vr.google.com/cardboard/

@joaolaq@joaolaq
• Debut 2016
• 250k in 2016 - 2.2 m in 2017 ( estimations )
• 3DOF + 3DOF Controller
• Compatible only with 9 Top Smartphones ( Pixel, S8, LG VR30…)
• Apps in Google Play speciﬁc section
• 1480 x 1280 per eye
https://vr.google.com/daydream/smartphonevr/

@joaolaq@joaolaq
• Debut 2015 ( each year an updated version )
• 4.51 million units in 2016, more then Oculus+PSVR+HTC Vive combined
• 3DOF + High performance sensors + 3DOF Controller
• Compatible only with Samsung Top Smartphones (S6 up to S8/Note8)
• Partnership with Oculus, dedicated App store
• 1480 x 1440 per eye
http://www.samsung.com/global/galaxy/gear-vr/

@joaolaq@joaolaq
Unity
https://unity3d.com/

@joaolaq@joaolaq
Cardboard/Daydream Native support
in
Unity (5.6+)

@joaolaq@joaolaq
Download Unity 5.6+
Suggest Brand New 2017.1.1 but beware the bugs

@joaolaq@joaolaq
Download GoogleVR
https://github.com/googlevr/gvr-unity-sdk/releases

@joaolaq@joaolaq
Import Google VR and Assets

@joaolaq@joaolaq
Open Sample Scene
• Camera
• Reticle

@joaolaq@joaolaq
Input?
• GvrEventSystem

@joaolaq@joaolaq
Let’s build and run!

@joaolaq@joaolaq
And on S8 It Crash :)
Could not recreate VR window because GfxDevice is in an invalid state (device lost)

@joaolaq@joaolaq
Solution:
Put Daydream Support before Cardboard ;)

@joaolaq@joaolaq
• DayDream! We can use the same SDK
See the controller!

@joaolaq@joaolaq
Input
• GvrControllerPointer

@joaolaq@joaolaq
void Update() {
// Example: get controller's current orientation:
Quaternion ori = GvrController.Orientation;
// If you want a vector that points in the direction of the controller
// you can just multiply this quat by Vector3.forward:
Vector3 vector = ori * Vector3.forward;
// ...or you can just change the rotation of some entity on your scene
// (e.g. the player's arm) to match the controller's orientation
playerArmObject.transform.localRotation = ori;
// Example: check if touchpad was just touched
if (GvrController.TouchDown) {
// Do something.
// TouchDown is true for 1 frame after touchpad is touched.
}
// Example: check if app button was just released.
if (GvrController.AppButtonUp) {
// Do something.
// AppButtonUp is true for 1 frame after touchpad is touched.
}
// Example: check the position of the user's finger on the touchpad
if (GvrController.IsTouching) {
Vector2 touchPos = GvrController.TouchPos;
// Do something.
}
}
GvrController API

@joaolaq@joaolaq
• Build and Run

@joaolaq@joaolaq
• DayDream Elements!

@joaolaq@joaolaq
• GearVR Native support in Unity
• https://developer.oculus.com/downloads/package/oculus-utilities-for-unity-5/

@joaolaq@joaolaq
• Oculus Framework

@joaolaq@joaolaq
• Camera = OVRCameraRig

@joaolaq@joaolaq
• Controller

@joaolaq@joaolaq
// old way
// if (Input.GetMouseButton(0)) // the finger has touched the HMD trackpad.
// {
// Vector2 touchPosition = Input.mousePosition;
// ProcessClickAtPosition(touchPosition);
// }
// new way
// The Gear VR Controller has a clickable trackpad, so we can differentiate between
// the finger simply touching the pad and actively depressing it.
// is player using a controller?
if (OVRInput.GetActiveController() == OVRInput.Controller.LTrackedRemote ||
OVRInput.GetActiveController() == OVRInput.Controller.RTrackedRemote)
{
// yes, are they touching the touchpad?
if (OVRInput.Get(OVRInput.Touch.PrimaryTouchpad))
{
// yes, let's require an actual click rather than just a touch.
if (OVRInput.Get(OVRInput.Button.PrimaryTouchpad))
{
// button is depressed, handle the touch.
Vector2 touchPosition = OVRInput.Get(OVRInput.Axis2D.PrimaryTouchpad);
ProcessControllerClickAtPosition(touchPosition);
}
}
}
else if (OVRInput.Get(OVRInput.Touch.PrimaryTouchpad)) // finger on HMD pad?
{
// not using controller, same behavior as before.
Vector2 touchPosition = OVRInput.Get(OVRInput.Axis2D.PrimaryTouchpad);
ProcessHMDClickAtPosition(touchPosition);
}

@joaolaq@joaolaq
Build and Run

@joaolaq@joaolaq
https://dashboard.oculus.com/tools/osig-generator/
Put the downloaded file in your project directory
Project/Assets/Plugins/Android/assets/

@joaolaq@joaolaq
Put the downloaded file in your project directory
Project/Assets/Plugins/Android/assets/
Enable Developer Mode
1. Go to Settings > Application Manager
2. Select Gear VR Service
3. Select Manage Storage
4. Click on VR Service Version several times until the Developer Mode toggle shows up
5. Toggle Developer Mode

@joaolaq@joaolaq
Future HMDs - Daydream

@joaolaq@joaolaq
Future HMDs - Samsung
Windows Mixed Reality

@joaolaq@joaolaq
glaquidara@laquysoft.com www.laquysoft.com
https://goo.gl/e6Dt9Z
Un Cardboard in palio :)
estratto a sorte tra i partecipati al questionario:

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Talk:
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10-11 NOVEMBRE 2017
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Vr webinar for Codemotion

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