ArCore Basics and Tools

## ARCore - Basics and Tools

In this talk, we will learn how to build an application with the ARCore Android SDK. We'll start with a quick look at physically based rendering, and how to find or create these 3D models.

Then we'll learn the basics of adding virtual objects and interfaces to our environment, using the Sceneform library.

Transcript

1. ArCore Basics and Tools
6. Photo source info here
7. Photo source info here
10. Activity ArPopUpShopActivity activity_main.xml ArFragment
11. class ArPopUpShopActivity :_AppCompatActivity()_{ override fun onCreate(savedInstanceState: Bundle?)_{ super.onCreate(savedInstanceState) //_If device is not supported, early return. if (!checkIsSupportedDeviceOrFinish()) return }a }b Activity ArPopUpShopActivity activity_main.xml ArFragment
12. class ArPopUpShopActivity :_AppCompatActivity()_{ override fun onCreate(savedInstanceState: Bundle?)_{ super.onCreate(savedInstanceState) //_If device is not supported, early return. if (!checkIsSupportedDeviceOrFinish()) return }a }b fun_Activity.checkIsSupportedDeviceOrFinish():_Boolean_{ val_openGlVersionString_=_activityManager .deviceConfigurationInfo .glEsVersion if_(parseDouble(openGlVersionString) < MIN_OPENGL_VERSION)_{ Timber.e("Sceneform requires OpenGL ES 3.0 later") finish() return_false }1 return_true }2 Activity ArPopUpShopActivity activity_main.xml ArFragment
13. class ArPopUpShopActivity :_AppCompatActivity()_{ override fun onCreate(savedInstanceState: Bundle?)_{ super.onCreate(savedInstanceState) //_If device is not supported, early return. if (!checkIsSupportedDeviceOrFinish()) return }a }b Activity ArPopUpShopActivity activity_main.xml ArFragment
14. class ArPopUpShopActivity :_AppCompatActivity()_{ override fun onCreate(savedInstanceState: Bundle?)_{ super.onCreate(savedInstanceState) //_If device is not supported, early return. if (!checkIsSupportedDeviceOrFinish()) return //_`FrameLayout` holding an `ArFragment` setContentView(R.layout.activity_main) }a }b Activity ArPopUpShopActivity activity_main.xml ArFragment
15. class ArPopUpShopActivity :_AppCompatActivity()_{ override fun onCreate(savedInstanceState: Bundle?)_{ super.onCreate(savedInstanceState) //_If device is not supported, early return. if (!checkIsSupportedDeviceOrFinish()) return //_`FrameLayout` holding a `ArCustomFragment` setContentView(R.layout.activity_main) }a }b <FrameLayout android:layout_width="match_parent" android:layout_height="match_parent"> <fragment android:name="com.google.ar.sceneform.ux.ArFragment" android:id="@+id/ux_fragment" android:layout_width="match_parent" android:layout_height=“match_parent"_/> </FrameLayout> Activity ArPopUpShopActivity activity_main.xml ArFragment
16. class ArPopUpShopActivity :_AppCompatActivity()_{ override fun onCreate(savedInstanceState: Bundle?)_{ super.onCreate(savedInstanceState) //_If device is not supported, early return. if (!checkIsSupportedDeviceOrFinish()) return //_`FrameLayout` holding a `ArCustomFragment` setContentView(R.layout.activity_main) }a }b Activity ArPopUpShopActivity activity_main.xml ArFragment
17. class ArPopUpShopActivity :_AppCompatActivity()_{ private lateinit var arFragment :_ArFragment override fun onCreate(savedInstanceState: Bundle?)_{ super.onCreate(savedInstanceState) //_If device is not supported, early return. if (!checkIsSupportedDeviceOrFinish()) return //_`FrameLayout` holding a `ArCustomFragment` setContentView(R.layout.activity_main) arFragment =_supportFragmentManager .findFragmentById(R.id.ux_fragment) as_ArFragment }a }b Activity ArPopUpShopActivity activity_main.xml ArFragment ArFragment
18. ArFragment
19. ArFragment ❓
20. https://github.com/google-ar/arcore-android-sdk/releases
23. arcore Plane
24. arcore Type HORIZONTAL_DOWNWARD_FACING HORIZONTAL_UPWARD_FACING VERTICAL Plane
25. arcore Plane Trackable anchors trackingState createAnchor(pose:Pose) Point AugmentedImage AugmentedFace
26. arcore Trackable anchors trackingState createAnchor(pose:Pose) Anchor cloudAnchorId pose detach() TrackingState PAUSED STOPPED TRACKING
28. # This file uses centimeters as units for non-parametric coordinates. # Blender v2.78 (sub 0) OBJ File: '' # www.blender.org mtllib andy.mtl g default v 0.036531 5.203676 -0.001768 v 0.035000 5.204560 -0.002500 v 0.033469 5.205443 -0.001768 v 0.032835 5.205810 -0.000000 v 0.033469 5.205443 0.001768 v 0.035000 5.204560 0.002500 v 0.036531 5.203676 0.001769 v 0.037165 5.203310 -0.000000 v 0.036951 5.204877 -0.001531 v 0.035625 5.205642 -0.002165 v 0.034299 5.206408 -0.001531 v 0.033750 5.206725 -0.000000 v 0.034299 5.206408 0.001531 v 0.035625 5.205642 0.002165 v 0.036951 5.204877 0.001531 v 0.037500 5.204560 -0.000000 v 0.036848 5.205993 -0.000884 v 0.036083 5.206435 -0.001250 v 0.035317 5.206877 -0.000884 v 0.035000 5.207060 -0.000000 v 0.035317 5.206877 0.000884 v 0.036083 5.206435 0.001250 v 0.036848 5.205993 0.000884 v 0.037165 5.205810 -0.000000
29. newmtl unlit_material illum 2 Kd 0.00 0.00 0.00 Ka 0.00 0.00 0.00 Tf 1.00 1.00 1.00 map_Kd andy.png Ni 1.00
31. apply plugin: 'com.google.ar.sceneform.plugin' sceneform.asset('sampledata/andy/andy.obj', 'default', 'sampledata/andy/andy.sfa', 'src/main/res/raw/andy') sceneform.asset('sampledata/andyCustomMat/andy2.gltf', 'default', 'sampledata/andyCustomMat/andy2.sfa', 'src/main/res/raw/andy2') sceneform.asset('sampledata/damagedHelmet/DamagedHelmet.gltf', 'sampledata/damagedHelmet/', 'sampledata/damagedHelmet/DamagedHelmet.sfa', 'src/main/res/raw/damaged_helmet')
32. { materials: [ { name: 'unlit_material', parameters: [ { baseColor: 'andy', }, { baseColorTint: [ 1, 1, 1, 1, ], }, { metallic: 1, }, { roughness: 1, }, { opacity: null, }, ], source: 'build/sceneform_sdk/default_materials/obj_material.sfm', }, ], model: { attributes: [ 'Position', 'TexCoord', 'Orientation', ], collision: {}, file: 'sampledata/andy/andy.obj', name: 'andy', recenter: 'root', }, samplers: [ { file: 'sampledata/andy/andy.png', name: 'andy', pipeline_name: 'andy.png', }, ], version: ‘0.54:2', } andy.sfa
33. sceneform Node Renderable ViewRenderable ModelRenderable Builder.build():Future Builder.build():Future We'll cover this in a sec.
34. private ModelRenderable andyRenderable; ModelRenderable.builder() .setSource(this, R.raw.andy) .build() .thenAccept(renderable -> andyRenderable = renderable) .exceptionally( throwable -> { Toast toast = Toast.makeText(this, “Load error.”, Toast.LENGTH_LONG); toast.setGravity(Gravity.CENTER, 0, 0); toast.show(); return null; }); // Later on… // In tap listener, quits if not loaded yet. if (andyRenderable == null) { return; } // Otherwise handle the tap event. sceneform Node Renderable ViewRenderable ModelRenderable Builder.build():Future Builder.build():Future We'll cover this in a sec.
35. private ModelRenderable andyRenderable; ModelRenderable.builder() .setSource(this, R.raw.andy) .build() .thenAccept(renderable -> andyRenderable = renderable) .exceptionally( throwable -> { Toast toast = Toast.makeText(this, “Load error.”, Toast.LENGTH_LONG); toast.setGravity(Gravity.CENTER, 0, 0); toast.show(); return null; }); // Later on… // In tap listener, quits if not loaded yet. if (andyRenderable == null) { return; } // Otherwise handle the tap event. sceneform Node Renderable ViewRenderable ModelRenderable Builder.build():Future Builder.build():Future We'll cover this in a sec.
36. /** * Small utility function to convert `Future` * instances to RxJava friendly `Single` instances. */ private fun <T> Future<T>.toSingle() = Single.fromFuture(this) .subscribeOn(Schedulers.io()) .observeOn(AndroidSchedulers.mainThread()) sceneform Node Renderable ViewRenderable ModelRenderable Builder.build():Future Builder.build():Future We'll cover this in a sec.
37. /** * Small utility function to convert `Future` * instances to RxJava friendly `Single` instances. */ private fun <T> Future<T>.toSingle() = Single.fromFuture(this) .subscribeOn(Schedulers.io()) .observeOn(AndroidSchedulers.mainThread()) /** * Utility function that returns a * Single<ModelRenderable> * * @param model Source model raw resource ID. * @return Single<ModelRenderable> */ fun Activity.singleModelRenderable(@RawRes model: Int) = ModelRenderable .builder() .setSource(this, model) .build() .toSingle() sceneform Node Renderable ViewRenderable ModelRenderable Builder.build():Future Builder.build():Future We'll cover this in a sec.
38. class ArPopUpShopActivity :_AppCompatActivity()_{ override fun onCreate(savedInstanceState: Bundle?)_{ super.onCreate(savedInstanceState) //_If device is not supported, early return. if (!checkIsSupportedDeviceOrFinish()) return //_`FrameLayout` holding a `ArCustomFragment` setContentView(R.layout.activity_main) }a }b Activity ArPopUpShopActivity activity_main.xml ArFragment
39. class ArPopUpShopActivity :_AppCompatActivity()_{ override fun onCreate(savedInstanceState: Bundle?)_{ super.onCreate(savedInstanceState) //_If device is not supported, early return. if (!checkIsSupportedDeviceOrFinish()) return //_`FrameLayout` holding a `ArCustomFragment` setContentView(R.layout.activity_main) // Load the Andy 3D model singleModelRenderable(R.raw.andy) }a }b Activity ArPopUpShopActivity activity_main.xml ArFragment
40. class ArPopUpShopActivity :_AppCompatActivity()_{ override fun onCreate(savedInstanceState: Bundle?)_{ super.onCreate(savedInstanceState) //_If device is not supported, early return. if (!checkIsSupportedDeviceOrFinish()) return //_`FrameLayout` holding a `ArCustomFragment` setContentView(R.layout.activity_main) // Load the Andy 3D model singleModelRenderable(R.raw.andy) .subscribe_{_TODO(“Init tap handler”)_} }a }b Activity ArPopUpShopActivity activity_main.xml ArFragment
41. fun initOnTapPlane(andyRenderable: ModelRenderable)_{ val tapListener =_OnTapArPlaneListener {_hitResult, plane, _ -> val anchor =_hitResult.createAnchor() val anchorNode =_AnchorNode(anchor) anchorNode.setParent(arFragment.arSceneView.scene) val andyNode =_TransformableNode(arFragment.transformationSystem) andyNode.setParent(anchorNode) andyNode.renderable =_andyRenderable andyNode.select() }a arFragment.setOnTapArPlaneListener(tapListener) }b Activity ArPopUpShopActivity activity_main.xml ArFragment
42. fun initOnTapPlane(andyRenderable: ModelRenderable)_{ val tapListener =_OnTapArPlaneListener {_hitResult, plane, _ -> val anchor =_hitResult.createAnchor() val anchorNode =_AnchorNode(anchor) anchorNode.setParent(arFragment.arSceneView.scene) val andyNode =_TransformableNode(arFragment.transformationSystem) andyNode.setParent(anchorNode) andyNode.renderable =_andyRenderable andyNode.select() }a arFragment.setOnTapArPlaneListener(tapListener) }b sceneform BaseArFragment onPeekTouch(htr,me) setOnTapArPlaneListener(l) ArFragment Activity ArPopUpShopActivity activity_main.xml ArFragment
43. sceneform BaseArFragment onPeekTouch(htr,me) setOnTapArPlaneListener(l) ArFragment fun initOnTapPlane(andyRenderable: ModelRenderable)_{ val tapListener =_OnTapArPlaneListener {_hitResult, plane, _ -> val anchor =_hitResult.createAnchor() val anchorNode =_AnchorNode(anchor) anchorNode.setParent(arFragment.arSceneView.scene) val andyNode =_TransformableNode(arFragment.transformationSystem) andyNode.setParent(anchorNode) andyNode.renderable =_andyRenderable andyNode.select() }a arFragment.setOnTapArPlaneListener(tapListener) }b Activity ArPopUpShopActivity activity_main.xml ArFragment
44. sceneform BaseArFragment onPeekTouch(htr,me) setOnTapArPlaneListener(l) ArFragment fun initOnTapPlane(andyRenderable: ModelRenderable)_{ val tapListener =_OnTapArPlaneListener {_hitResult, plane, _ -> val anchor =_hitResult.createAnchor() val anchorNode =_AnchorNode(anchor) anchorNode.setParent(arFragment.arSceneView.scene) val andyNode =_TransformableNode(arFragment.transformationSystem) andyNode.setParent(anchorNode) andyNode.renderable =_andyRenderable andyNode.select() }a arFragment.setOnTapArPlaneListener(tapListener) }b ModelRenderable Builder.build():Future Activity ArPopUpShopActivity activity_main.xml ArFragment
45. sceneform BaseArFragment onPeekTouch(htr,me) setOnTapArPlaneListener(l) ArFragment fun initOnTapPlane(andyRenderable: ModelRenderable)_{ val tapListener =_OnTapArPlaneListener {_hitResult, plane, _ -> val anchor =_hitResult.createAnchor() val anchorNode =_AnchorNode(anchor) anchorNode.setParent(arFragment.arSceneView.scene) val andyNode =_TransformableNode(arFragment.transformationSystem) andyNode.setParent(anchorNode) andyNode.renderable =_andyRenderable andyNode.select() }a arFragment.setOnTapArPlaneListener(tapListener) }b ModelRenderable Builder.build():Future Activity ArPopUpShopActivity activity_main.xml ArFragment r arcore Anchor cloudAnchorId pose detach() TrackingState PAUSED STOPPED TRACKING
46. sceneform BaseArFragment onPeekTouch(htr,me) setOnTapArPlaneListener(l) ArFragment fun initOnTapPlane(andyRenderable: ModelRenderable)_{ val tapListener =_OnTapArPlaneListener {_hitResult, plane, _ -> val anchor =_hitResult.createAnchor() val anchorNode =_AnchorNode(anchor) anchorNode.setParent(arFragment.arSceneView.scene) val andyNode =_TransformableNode(arFragment.transformationSystem) andyNode.setParent(anchorNode) andyNode.renderable =_andyRenderable andyNode.select() }a arFragment.setOnTapArPlaneListener(tapListener) }b ModelRenderable Builder.build():Future Activity ArPopUpShopActivity activity_main.xml ArFragment r arcore Anchor cloudAnchorId pose detach() TrackingState PAUSED STOPPED TRACKING AnchorNode Node
47. sceneform BaseArFragment onPeekTouch(htr,me) setOnTapArPlaneListener(l) ArFragment fun initOnTapPlane(andyRenderable: ModelRenderable)_{ val tapListener =_OnTapArPlaneListener {_hitResult, plane, _ -> val anchor =_hitResult.createAnchor() val anchorNode =_AnchorNode(anchor) anchorNode.setParent(arFragment.arSceneView.scene) val andyNode =_TransformableNode(arFragment.transformationSystem) andyNode.setParent(anchorNode) andyNode.renderable =_andyRenderable andyNode.select() }a arFragment.setOnTapArPlaneListener(tapListener) }b ModelRenderable Builder.build():Future Activity ArPopUpShopActivity activity_main.xml ArFragment r arcore Anchor cloudAnchorId pose detach() TrackingState PAUSED STOPPED TRACKING AnchorNode Node ArSceneView
48. sceneform BaseArFragment onPeekTouch(htr,me) setOnTapArPlaneListener(l) ArFragment fun initOnTapPlane(andyRenderable: ModelRenderable)_{ val tapListener =_OnTapArPlaneListener {_hitResult, plane, _ -> val anchor =_hitResult.createAnchor() val anchorNode =_AnchorNode(anchor) anchorNode.setParent(arFragment.arSceneView.scene) val andyNode =_TransformableNode(arFragment.transformationSystem) andyNode.setParent(anchorNode) andyNode.renderable =_andyRenderable andyNode.select() }a arFragment.setOnTapArPlaneListener(tapListener) }b ModelRenderable Builder.build():Future Activity ArPopUpShopActivity activity_main.xml ArFragment r arcore Anchor cloudAnchorId pose detach() TrackingState PAUSED STOPPED TRACKING AnchorNode Node ArSceneView
49. sceneform BaseArFragment onPeekTouch(htr,me) setOnTapArPlaneListener(l) ArFragment fun initOnTapPlane(andyRenderable: ModelRenderable)_{ val tapListener =_OnTapArPlaneListener {_hitResult, plane, _ -> val anchor =_hitResult.createAnchor() val anchorNode =_AnchorNode(anchor) anchorNode.setParent(arFragment.arSceneView.scene) val andyNode =_TransformableNode(arFragment.transformationSystem) andyNode.setParent(anchorNode) andyNode.renderable =_andyRenderable andyNode.select() }a arFragment.setOnTapArPlaneListener(tapListener) }b ModelRenderable Builder.build():Future Activity ArPopUpShopActivity activity_main.xml ArFragment Node ArSceneView AnchorNode TranformableNode
50. sceneform BaseArFragment onPeekTouch(htr,me) setOnTapArPlaneListener(l) ArFragment fun initOnTapPlane(andyRenderable: ModelRenderable)_{ val tapListener =_OnTapArPlaneListener {_hitResult, plane, _ -> val anchor =_hitResult.createAnchor() val anchorNode =_AnchorNode(anchor) anchorNode.setParent(arFragment.arSceneView.scene) val andyNode =_TransformableNode(arFragment.transformationSystem) andyNode.setParent(anchorNode) andyNode.renderable =_andyRenderable andyNode.select() }a arFragment.setOnTapArPlaneListener(tapListener) }b ModelRenderable Builder.build():Future Activity ArPopUpShopActivity activity_main.xml ArFragment Node ArSceneView AnchorNode TranformableNode
51. sceneform Renderable ViewRenderable ModelRenderable Builder.build():Future Builder.build():Future
52. <?xml version="1.0" encoding="utf-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/priceLabel" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@drawable/rounded_dark_grey_bg" android:gravity="center" android:orientation="vertical" android:padding="6dp" android:text="5$" android:textAlignment="center" /> sceneform Renderable ViewRenderable ModelRenderable Builder.build():Future Builder.build():Future
53. singleViewRenderable(R.layout.price_tag) .subscribe { priceTagRenderable -> priceTagRenderable .view .findViewById<TextView>(R.id.priceLabel) .text = “$price$" } sceneform Renderable ViewRenderable ModelRenderable Builder.build():Future Builder.build():Future
54. singleViewRenderable(R.layout.price_tag) .subscribe { priceTagRenderable -> priceTagRenderable .view .findViewById<TextView>(R.id.priceLabel) .text = “$price$" } sceneform Renderable ViewRenderable ModelRenderable Builder.build():Future Builder.build():Future
55. singleViewRenderable(R.layout.price_tag) .subscribe { priceTagRenderable -> priceTagRenderable .view .findViewById<TextView>(R.id.priceLabel) .text = “$price$" } sceneform Renderable ViewRenderable ModelRenderable Builder.build():Future Builder.build():Future
56. Singles.zip( singleModelRenderable(R.raw.andy), singleViewRenderable(R.layout.price_tag) ) sceneform Renderable ViewRenderable ModelRenderable Builder.build():Future Builder.build():Future
57. val anchor =_hitResult.createAnchor() val anchorNode =_AnchorNode(anchor) anchorNode.setParent(arFragment.arSceneView.scene) val andyNode =_TransformableNode(arFragment.transformationSystem) andyNode.setParent(anchorNode) andyNode.renderable =_andyRenderable val priceTagNode = Node() priceTag.isShadowCaster = false priceTag.sizer = FixedWidthViewSizer(0.1f) // 10cm max width priceTagNode.renderable = priceTag priceTagNode.localRotation = Quaternion.axisAngle(Vector3(1f, 0f, 0f), -90f) priceTagNode.localPosition = Vector3(0f, 0.02f, 0.2f) andyNode.addChild(priceTagNode)
58. val anchor =_hitResult.createAnchor() val anchorNode =_AnchorNode(anchor) anchorNode.setParent(arFragment.arSceneView.scene) val andyNode =_TransformableNode(arFragment.transformationSystem) andyNode.setParent(anchorNode) andyNode.renderable =_andyRenderable val priceTagNode = Node() priceTag.isShadowCaster = false priceTag.sizer = FixedWidthViewSizer(0.1f) // 10cm max width priceTagNode.renderable = priceTag priceTagNode.localRotation = Quaternion.axisAngle(Vector3(1f, 0f, 0f), -90f) priceTagNode.localPosition = Vector3(0f, 0.02f, 0.2f) andyNode.addChild(priceTagNode)
59. singleViewRenderable(R.layout.selected_card_view) .subscribe { selectedView -> selectedView.sizer = FixedWidthViewSizer(0.2f) selectedView.isShadowCaster = false val selectedNode = Node().apply { renderable = selectedView } view.findViewById<Button>(R.id.favoriteButton) .setOnClickListener { // Your code here... } }
62. class ArCustomFragment : ArFragment() { /** * We initialize the returned configuration here. * * Loads up augmented image DB, assigns it to session config. * * @return the configuration that will be used by ArFragment. */ override fun getSessionConfiguration(session: Session): Config { return super.getSessionConfiguration(session).also { config -> config.augmentedImageDatabase = context ?.assets ?.open("good_images.imgdb") .let { inputStream -> AugmentedImageDatabase .deserialize(session, inputStream) } } } }
63. val listener = Scene.OnUpdateListener { arSceneView.arFrame?.run { if( camera.trackingState == TrackingState.TRACKING) { val trackables = getUpdatedTrackables( AugmentedImage::class.java ) if(trackables.isNotEmpty()) { // Handler code here... } } } } arSceneView.scene.addOnUpdateListener(listener)
64. val listener = Scene.OnUpdateListener { arSceneView.arFrame?.run { if( camera.trackingState == TrackingState.TRACKING) { val trackables = getUpdatedTrackables( AugmentedImage::class.java ) if(trackables.isNotEmpty()) { // Handler code here... } } } } arSceneView.scene.addOnUpdateListener(listener)
65. // Init View Renderable viewRenderable.apply { isShadowCaster = false isShadowReceiver = false sizer = FixedWidthViewSizer(1f) } // Init an Augmented Image Anchor. augmentedImage.createAnchor(augmentedImage.centerPose) // Create AnchorNode with augmented image's anchor. val anchorNode = AnchorNode(augmentedImage.anchors.first()) // Assign Renderable to a node 40cm above and 1m behind. val storefrontNode = Node().apply { renderable = viewRenderable localPosition = Vector3(0f,0.4f,-1f) } // Assign store UX node to the anchor node. anchorNode.addChild(storefrontNode)
67. apply_plugin:_’com.google.ar.sceneform.plugin' sceneform.asset('sampledata/andy/andy.obj', 'default', 'sampledata/andy/andy.sfa', 'src/main/res/raw/andy')
68. apply_plugin:_’com.google.ar.sceneform.plugin' sceneform.asset('sampledata/andy/andy.obj', 'sampledata/andy/custom.mat', 'sampledata/andy/andy.sfa', 'src/main/res/raw/andy')
69. { materials: [ { name: 'unlit_material', parameters: [ { andyColor: [ 1, 1, 0, ], }, ], source: 'sampledata/andy02/custom.mat', }, ], model: { attributes: [ 'Position', 'TexCoord', 'Orientation', ], collision: {}, file: 'sampledata/andy02/andy.obj', name: 'andy', recenter: 'root', }, }
70. material { name: "Custom material", parameters: [ { type: "float3", name: "andyColor" } ], requires: [ "position" ], shadingModel: "lit", } fragment { void material(inout MaterialInputs material) { prepareMaterial(material); material.baseColor.rgb = materialParams.andyColor.rgb; material.metallic = 1.0; material.roughness = 0.5; } }
71. singleViewRenderable(R.layout.price_tag) .subscribe { (customAndy, priceTag) -> customAndy.getMaterial() .setFloat3("andyColor", colorFloats) }
75. Photo source info here https://github.com/kanawish/