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So you want to build an ARKit app - AppDevCon
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Namrata Bandekar
March 15, 2019
1
1.8k
So you want to build an ARKit app - AppDevCon
Namrata Bandekar
March 15, 2019
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Transcript
SO YOU WANT TO BUILD AN ARKIT APP NAMRATA BANDEKAR
ARKIT BY TUTORIALS
PORTAL ARSKETCH
AUGMENTED REALITY EXPERIENCE ▸ Detect and understand environment geometry ▸
Render virtual 3D content ▸ User guidance
ARKIT ▸ Tracking ▸ Scene Understanding ▸ Light Estimation
TRACKING ▸ World Tracking ▸ Visual Inertial Odometry CORE MOTION
AVFOUNDATION
ARKIT ▸ Tracking ▸ Scene Understanding ▸ Light Estimation
SCENE UNDERSTANDING ▸ Plane detection ▸ Hit testing
ARKIT ▸ Tracking ▸ Scene Understanding ▸ Light Estimation
LIGHT ESTIMATION ▸ Estimate scene lighting information ▸ Render graphics
that looks more realistic Video by Mark Dawson on Youtube
ARKIT ▸ Tracking ▸ Scene Understanding ▸ Light Estimation
SCENEKIT ▸ Rendering Engine ▸ 3D Content ▸ Provides basic
AR view
GETTING STARTED ▸ Device Compatibility ▸ A9 processor or later
▸ iOS 11 and up ▸ Handle unsupported devices and iOS versions AR Optional AR Required
GETTING STARTED ▸ Device permissions
GETTING STARTED ▸ Privacy and data handling
ARKIT BASICS ▸ AR session configuration ▸ AR session management
▸ Session error handling
ARKIT BASICS ▸ AR session configuration ▸ AR session management
▸ Session error handling
AR CONFIGURATION
ARKIT BASICS ▸ AR session configuration ▸ AR session management
▸ Session error handling
ARKIT BASICS ▸ AR session configuration ▸ AR session management
▸ Session error handling
RUN OPTIONS
AR SESSION MANAGEMENT
ARKIT BASICS ▸ AR session configuration ▸ AR session management
▸ Session error handling
ARKIT BASICS ▸ AR session configuration ▸ AR session management
▸ Session error handling
SESSION ERROR HANDLING
ARKIT BASICS ▸ AR session configuration ▸ AR session management
▸ Session error handling
SCENEKIT FOR AR ▸ Provides ARSCNView ▸ Owns AR session
object
SCENEKIT FOR AR ▸ Hit testing functionality
SCENEKIT FOR AR ⚠ Private Queue
BEST PRACTICES AND TIPS
USER GUIDANCE ▸ Guide the user ▸ Show feature points
▸ Display detected plane IKEA Place Portal
TRACKING ▸ ARWorldTrackingConfiguration ▸ ARAnchors fix position in real world
⚓ ▸ Don’t use feature points to place content ▸ ARAnchors adjust for drift
TRACKING QUALITY ▸ Ambient light ▸ Static environments ▸ Surface
texture ▸ Sensor data quality
TRACKING QUALITY
TRACKING FEEDBACK
CAPTURING THE ARWORLDMAP ▸ Dense feature points ▸ Multiple points
of view ▸ No motion - static environment ▸ Use WorldMappingStatus ▸ Don’t display UI until ready
MAPPING QUALITY
TESTING IN THE REAL WORLD ▸ Low lighting ▸ Smooth
surfaces ▸ Moving device fast while mapping ▸ Motion in environment
PERFORMANCE CONSIDERATIONS ▸ Initialization takes some time ▸ Battery drain
▸ Limit the number of anchors ⚓ ▸ Delegate callbacks on background threads ▸ Mapping from a distance doesn’t work ▸ Occlusion - no depth sensing
THANK YOU! @NAMRATACODES