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Merge pull request #47 from ccrma/dev
WebChucK v1.2.9
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| import Chuck from "./Chuck"; | ||
| /** | ||
| * Introducing Accel (accelerometer, on mobile) support for WebChucK. Accel wraps | ||
| * JavaScript DeviceMotionEvent listeners easing access to mobile device accelerometers | ||
| * in WebChucK code. | ||
| * | ||
| * To get started with Accel: | ||
| * @example | ||
| * ```ts | ||
| * import { Chuck, Accel } from "webchuck"; | ||
| * | ||
| * const theChuck = await Chuck.init([]); | ||
| * const accel = await Accel.init(theChuck); // Initialize Accel | ||
| * ``` | ||
| */ | ||
| export default class Accel { | ||
| private theChuck; | ||
| private _accelActive; | ||
| private boundHandleMotion; | ||
| /** @internal */ | ||
| constructor(theChuck: Chuck); | ||
| /** | ||
| * Initialize Accel functionality in your WebChucK instance. | ||
| * This adds a `Accel` and `AccelMsg` class to the ChucK Virtual Machine (VM). | ||
| * Accelerometer event (DeviceMotionEvent) listeners are added if `enableAccel` is true (default). | ||
| * @example | ||
| * ```ts | ||
| * theChuck = await Chuck.init([]); | ||
| * accel = await Accel.init(theChuck); // Initialize Accel | ||
| */ | ||
| static init(theChuck: Chuck, enableAccel?: boolean): Promise<Accel>; | ||
| /** | ||
| * @internal | ||
| * Check if accel is active | ||
| */ | ||
| accelActive(): Promise<void>; | ||
| /** | ||
| * Enable Javascript event (DeviceMotionEvent) listeners for Accel | ||
| * @example | ||
| * ```ts | ||
| * // If accel is not yet enabled | ||
| * accel.enableAccel(); | ||
| * ``` | ||
| */ | ||
| enableAccel(): void; | ||
| /** | ||
| * Disable Javascript event (DeviceMotionEvent) listeners for Accel | ||
| * @example | ||
| * ```ts | ||
| * // If accel is enabled | ||
| * accel.disableAccel(); | ||
| * ``` | ||
| */ | ||
| disableAccel(): void; | ||
| /** @internal */ | ||
| private handleMotion; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| import { Accel_ck, AccelMsg_ck } from "./accelCk"; | ||
| /** | ||
| * Introducing Accel (accelerometer, on mobile) support for WebChucK. Accel wraps | ||
| * JavaScript DeviceMotionEvent listeners easing access to mobile device accelerometers | ||
| * in WebChucK code. | ||
| * | ||
| * To get started with Accel: | ||
| * @example | ||
| * ```ts | ||
| * import { Chuck, Accel } from "webchuck"; | ||
| * | ||
| * const theChuck = await Chuck.init([]); | ||
| * const accel = await Accel.init(theChuck); // Initialize Accel | ||
| * ``` | ||
| */ | ||
| export default class Accel { | ||
| /** @internal */ | ||
| constructor(theChuck) { | ||
| this._accelActive = false; | ||
| // Initialize members | ||
| this.theChuck = theChuck; | ||
| this.boundHandleMotion = this.handleMotion.bind(this); | ||
| } | ||
| /** | ||
| * Initialize Accel functionality in your WebChucK instance. | ||
| * This adds a `Accel` and `AccelMsg` class to the ChucK Virtual Machine (VM). | ||
| * Accelerometer event (DeviceMotionEvent) listeners are added if `enableAccel` is true (default). | ||
| * @example | ||
| * ```ts | ||
| * theChuck = await Chuck.init([]); | ||
| * accel = await Accel.init(theChuck); // Initialize Accel | ||
| */ | ||
| static async init(theChuck, enableAccel = true) { | ||
| const accel = new Accel(theChuck); | ||
| // Add Accel and AccelMsg classes to ChucK VM | ||
| await accel.theChuck.runCode(AccelMsg_ck); | ||
| await accel.theChuck.runCode(Accel_ck); | ||
| // Enable mouse and keyboard | ||
| /* | ||
| if (enableAccel) { | ||
| // If iOS, request permission | ||
| if (typeof (DeviceOrientationEvent as any).requestPermission === 'function') { | ||
| const permission = await (DeviceOrientationEvent as any).requestPermission(); | ||
| if (permission === 'granted') { | ||
| accel.enableAccel(); | ||
| } else { | ||
| console.log("Accelscope permission denied."); | ||
| } | ||
| } else { | ||
| // just try to enable | ||
| accel.enableAccel(); | ||
| } | ||
| } | ||
| */ | ||
| accel.enableAccel(); | ||
| return accel; | ||
| } | ||
| /** | ||
| * @internal | ||
| * Check if accel is active | ||
| */ | ||
| async accelActive() { | ||
| const x = await this.theChuck.getInt("_accelActive"); | ||
| this._accelActive = x == 1; | ||
| } | ||
| /** | ||
| * Enable Javascript event (DeviceMotionEvent) listeners for Accel | ||
| * @example | ||
| * ```ts | ||
| * // If accel is not yet enabled | ||
| * accel.enableAccel(); | ||
| * ``` | ||
| */ | ||
| enableAccel() { | ||
| // consider using "deviceorientationabsolute" | ||
| // https://developer.mozilla.org/en-US/docs/Web/API/Window/deviceorientationabsolute_event | ||
| window.addEventListener("devicemotion", this.boundHandleMotion); | ||
| } | ||
| /** | ||
| * Disable Javascript event (DeviceMotionEvent) listeners for Accel | ||
| * @example | ||
| * ```ts | ||
| * // If accel is enabled | ||
| * accel.disableAccel(); | ||
| * ``` | ||
| */ | ||
| disableAccel() { | ||
| window.removeEventListener("devicemotion", this.boundHandleMotion); | ||
| } | ||
| //----------------------------------------- | ||
| // JAVASCRIPT HID EVENT HANDLERS | ||
| //----------------------------------------- | ||
| /** @internal */ | ||
| handleMotion(event) { | ||
| this.accelActive(); | ||
| if (this._accelActive) { | ||
| if (event.acceleration != null) { | ||
| this.theChuck.setFloat("_accelX", event.acceleration.x ? event.acceleration.x : 0.0); | ||
| this.theChuck.setFloat("_accelY", event.acceleration.y ? event.acceleration.y : 0.0); | ||
| this.theChuck.setFloat("_accelZ", event.acceleration.z ? event.acceleration.z : 0.0); | ||
| this.theChuck.broadcastEvent("_accelReading"); | ||
| } | ||
| } | ||
| } | ||
| } |
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