timcowlishaw’s gists

timcowlishaw / ARViewController.swift

Created March 1, 2022 17:32

Cenatus PHASE blog post snippet 15

	import CoreMotion
	// [ Elided other imports ]

	class ViewController: UIViewController, ARSession { // [ Elided other protocols ]
	let hmm = CMHeadphoneMotionManager()
	var deviceTransform: simd_float4x4 = matrix_identity_float4x4;
	var headphoneTransform: simd_float4x4 = matrix_identity_float4x4;

	override func viewDidLoad() {
	hmm.startDeviceMotionUpdates(to: OperationQueue.current!, withHandler: {[weak self] motion, error in

timcowlishaw / ARViewController.swift

Created March 1, 2022 17:32

Cenatus PHASE blog post snippet 14

	func session(_ session: ARSession, didUpdate frame: ARFrame) {
	let transform = frame.camera.transform
	phaseListener.transform = transform
	}

timcowlishaw / ARViewController.swift

Created March 1, 2022 17:30

Cenatus PHASE blog post snippet 12

	let distanceModelParameters = PHASEGeometricSpreadingDistanceModelParameters()
	distanceModelParameters.fadeOutParameters =
	PHASEDistanceModelFadeOutParameters(cullDistance: cull_distance_for_this_source) // For you to specify...
	distanceModelParameters.rolloffFactor = rolloff_factor_for_this_source // ... as is this.

timcowlishaw / ARViewController.swift

Created March 1, 2022 17:29

Cenatus PHASE blog post snippet 11

	let spatialPipelineFlags : PHASESpatialPipeline.Flags = [.directPathTransmission, .lateReverb]
	let spatialPipeline = PHASESpatialPipeline(flags: spatialPipelineFlags)!
	spatialPipeline.entries[PHASESpatialCategory.lateReverb]!.sendLevel = send_level_for_this_source; // Likewise, this is for you to decide on :-)

timcowlishaw / ARViewController.swift

Last active March 1, 2022 17:44

Cenatus PHASE blog post snippet 10

	let spatialMixerDefinition = PHASESpatialMixerDefinition(spatialPipeline: spatialPipeline) //spatial Pipeline not yet defined
	spatialMixerDefinition.distanceModelParameters = distanceModelParameters // distanceModelParameters not yet defined

timcowlishaw / ARViewController.swift

Last active March 1, 2022 17:26

Cenatus PHASE blog post snippet 9

	let mesh = MDLMesh.newIcosahedron(withRadius: 2.0, inwardNormals: false, allocator: nil)

	let shape = PHASEShape(engine: phaseEngine, mesh: mesh)
	let source = PHASESource(engine: phaseEngine, shapes: [shape])
	source.transform = the_position_of_the_object_in_our_world // you'll need to provide this :-)
	try! phaseEngine.rootObject.addChild(source)

timcowlishaw / ARViewController.swift

Last active March 1, 2022 17:42

Cenatus PHASE blog post snippet 8

	let mixerParameters = PHASEMixerParameters()
	mixerParameters.addSpatialMixerParameters(
	identifier: phaseSpatialMixerDefinition.identifier, //phaseSpatialMixerDefinition not yet defined
	source: source, listener: phaseListener // source not yet defined
	)

timcowlishaw / ARViewController.swift

Created March 1, 2022 17:23

Cenatus PHASE blog post snippet 7

	let samplerNodeDefinition = PHASESamplerNodeDefinition(
	soundAssetIdentifier: "a_unique_asset_identifier",
	mixerDefinition: phaseSpatialMixerDefinition! // As yet undefined
	)

	samplerNodeDefinition.playbackMode = .looping
	samplerNodeDefinition.setCalibrationMode(
	calibrationMode: .relativeSpl, level: 12
	)
	samplerNodeDefinition.cullOption = .sleepWakeAtRealtimeOffset

timcowlishaw / ARViewController.swift

Created March 1, 2022 17:20

Cenatus PHASE blog post snippet 6

	try! phaseEngine.assetRegistry.registerSoundAsset(
	url: url, identifier: "a_unique_asset_identifier",
	assetType: .resident, channelLayout: nil,
	normalizationMode: .dynamic
	)

timcowlishaw / ARViewController.swift

Created March 1, 2022 17:18

Cenatus PHASE blog post snippet 5

	let fileName = "piano" // piano.mp3 in the app bundle root.
	let url = Bundle.main.url(forResource: fileName, withExtension: "mp3")!

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