Rapid Cross-Platform AR Development with React Native

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PID PID RA PID RA PID Cross Platform Cross Platform ATIVE ATIVE REACT NATIVE REACT NATIVE WITH WITH WITH WITH Alex Hinson n @amhinson

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PID PID RA PID RA PID Cross Platform Cross Platform ATIVE ATIVE REACT NATIVE REACT NATIVE WITH WITH WITH WITH Alex Hinson n @amhinson

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Y WHY How What

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What is AR ?

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creates a virtual environment that is closed off to the real world places virtual objects in the real world

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Why AR Right Now ?

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expensive / inaccessible quality hardware cutting edge gaming

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ARKit & ARCore Pokemon GO, Instagram, Snapchat

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How Does AR Work ?

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Tracking dering Rendering

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3d rendering lighting & shadows physics animations Rendering

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built by Apple not cross platform SceneKit

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built for games cross platform not JS or React based Unity / Unreal

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cross platform JS/React based

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What is Viro ?

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ARKit & ARCore Cardboard, Daydream, & Gear VR

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Why would you use Viro ?

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ar Familiar l Powerful Accessible

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How does viro work ?

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high performance native 3D rendering engine custom React Native components

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Viro Viro d Testbed App App

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warning: lots of code ahead Examples

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// …

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onInitialized = (state) => { if (state === ViroConstants.TRACKING_NORMAL) { this.setState({ tracking: true }); } };

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{this.state.tracking && ( )}

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{this.state.tracking && ( )}

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SHapes

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ViroMaterials.createMaterials({ white: { lightingModel: 'Blinn', diffuseColor: 'rgb(231,231,231)' } });

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// ...

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// ... ViroMaterials.createMaterials({ moon: { shininess: 2.0, lightingModel: 'Blinn', diffuseTexture: require('./res/moon.jpg') } });

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this.setState({ x: position[0], y: position[1], z: position[2] }) } position={[this.state.x, this.state.y, this.state.z]} materials={['moon']} />

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ViroAnimations.registerAnimations({ spin: { properties: { rotateY: '+=45' }, duration: 2000 } });

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this.setState({ x: position[0], y: position[1], z: position[2] }) } position={[this.state.x, this.state.y, this.state.z]} materials={['moon']} animation={{ name: 'spin', run: true, loop: true }} />

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Custom 3d Obj ects

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final ARScene scene = new ARScene(); scene.setListener(new ARScene.Listener() { public void onAnchorFound(ARAnchor anchor, ARNode arNode) { // Make sure anchor is a plane if (anchor.getType() == ARAnchor.Typea.PLANE) { ARPlaneAnchor planeAnchor = (ARPlaneAnchor) anchor; // Ensure this is a horizontal plane of the right size if (planeAnchor.getAlignment() == ARPlaneAnchor.Alignment.HORIZONTAL && planeAnchor.getWidth() > 1.0 && planeAnchor.getHeight() > 1.0) { Object3D dinosaur = new Object3D(); dinosaur.loadModel("file://android-asset/dinosaur.fbx", Object3D.Type.FBS); arNode.addChildNode(dinosaur); } } } });

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// ... Viro3DObject

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this.setState({ runAnimation: true }) } animation={{ name: 'move', run: this.state.runAnimation, loop: true }} />

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ViroAnimations.registerAnimat ions({ move: { properties: { positionZ: '+=0.2' }, duration: 1000 } });

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Portals

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Image Recognition

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this.setState({ runAnimation: true }) } > // ... Objects to render when target is found

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ViroARTrackingTargets.createTargets({ airshipLogo: { source: require('./res/logo.png'), orientation: 'Up', physicalWidth: 0.03 } });

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ViroAnimations.registerAnimations({ slideUp: { properties: { positionZ: 0, opacity: 1.0 }, easing: 'Bounce', duration: 700 }, rotate: { properties: { rotateZ: '+=45' }, duration: 200 } });

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this.setState({ runAnimation: true })}> // … ViroARTrackingTargets.createTargets({ airshipLogo: { source: require('./res/mark_with_bg.png'), orientation: 'Up', physicalWidth: 0.03 } }); ViroAnimations.registerAnimations({ slideUp: { properties: { positionZ: 0, opacity: 1.0 }, easing: 'Bounce', duration: 700 }, rotate: { properties: { rotateZ: ‘+=45' }, duration: 200 } });

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Object Recognition

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// ... Something to render // ... ViroARTrackingTargets.createTargets({ tvRemote: { source: require('./res/tvRemote.arobject'), type: 'Object' }, dvdRemote: { source: require('./res/dvdRemote.arobject'), type: 'Object' } });

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const TARGETS = [ { displayText: 'TV', targetName: 'tvRemote' }, { displayText: 'DVD', targetName: 'dvdRemote' } ]; // ... {TARGETS.map(target => ( ))}

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Viro & react NAtive

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Score: {this.state.score} Restart

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state = { dollarBills: [] }; // ... // Inside setInternal this.setState(({ dollarBills }) => ({ dollarBills: [ ...dollarBills, { position: this.randomXYZNumber(-2, 2), rotation: this.randomXYZNumber(-45, 45) } ] }));

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dollarBills.map((item, index) => ( this.onDollarSelected(index)} height={0.2} length={0.01} width={0.6} materials={['billFace']} /> ))