lume
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JavaScript
var __esDecorate = (this && this.__esDecorate) || function (ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {
function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; }
var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value";
var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null;
var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});
var _, done = false;
for (var i = decorators.length - 1; i >= 0; i--) {
var context = {};
for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p];
for (var p in contextIn.access) context.access[p] = contextIn.access[p];
context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); };
var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);
if (kind === "accessor") {
if (result === void 0) continue;
if (result === null || typeof result !== "object") throw new TypeError("Object expected");
if (_ = accept(result.get)) descriptor.get = _;
if (_ = accept(result.set)) descriptor.set = _;
if (_ = accept(result.init)) initializers.unshift(_);
}
else if (_ = accept(result)) {
if (kind === "field") initializers.unshift(_);
else descriptor[key] = _;
}
}
if (target) Object.defineProperty(target, contextIn.name, descriptor);
done = true;
};
var __runInitializers = (this && this.__runInitializers) || function (thisArg, initializers, value) {
var useValue = arguments.length > 2;
for (var i = 0; i < initializers.length; i++) {
value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);
}
return useValue ? value : void 0;
};
import { signal } from 'classy-solid';
import 'element-behaviors';
import { stringAttribute } from '@lume/element';
import { behavior } from '../../Behavior.js';
import { receiver } from '../../PropReceiver.js';
import { PLYLoader } from 'three/examples/jsm/loaders/PLYLoader.js';
import { BufferGeometry } from 'three/src/core/BufferGeometry.js';
import { Events } from '../../../core/Events.js';
import { GeometryBehavior } from './GeometryBehavior.js';
import { onCleanup } from 'solid-js';
/**
* @class PlyGeometryBehavior -
*
* Behavior: `ply-geometry`
*
* This is useful for rendering a set of points from a `.ply` file.
*
* Given a `src` attribute that points to a `.ply` file, the behavior will load
* a set of points from the file to use as geometry.
*
* It can be useful to use this behavior on a
* [`<lume-points>`](../../../meshes/Points) element, which has a
* [`points-material`](../materials/PointsMaterialBehavior) behavior for
* configuring how points are rendered.
*
* @extends GeometryBehavior
*/
let PlyGeometryBehavior = (() => {
let _classDecorators = [behavior];
let _classDescriptor;
let _classExtraInitializers = [];
let _classThis;
let _classSuper = GeometryBehavior;
let _src_decorators;
let _src_initializers = [];
let _src_extraInitializers = [];
let _model_decorators;
let _model_initializers = [];
let _model_extraInitializers = [];
var PlyGeometryBehavior = class extends _classSuper {
static { _classThis = this; }
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
_src_decorators = [stringAttribute, receiver];
_model_decorators = [signal];
__esDecorate(null, null, _src_decorators, { kind: "field", name: "src", static: false, private: false, access: { has: obj => "src" in obj, get: obj => obj.src, set: (obj, value) => { obj.src = value; } }, metadata: _metadata }, _src_initializers, _src_extraInitializers);
__esDecorate(null, null, _model_decorators, { kind: "field", name: "model", static: false, private: false, access: { has: obj => "model" in obj, get: obj => obj.model, set: (obj, value) => { obj.model = value; } }, metadata: _metadata }, _model_initializers, _model_extraInitializers);
__esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
PlyGeometryBehavior = _classThis = _classDescriptor.value;
if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
__runInitializers(_classThis, _classExtraInitializers);
}
/**
* @property {string} src
*
* `string` `attribute`
*
* Default: `''`
*
* Path to a `.ply` file to load points from.
*/
src = __runInitializers(this, _src_initializers, '');
loader = (__runInitializers(this, _src_extraInitializers), new PLYLoader());
model = __runInitializers(this, _model_initializers, null);
_createComponent() {
// An empty geometry to start with. It will be replaced once the PLY file is loaded.
if (!this.model)
return new BufferGeometry();
return this.model;
}
// This is incremented any time we need to cancel a pending load() (f.e. on
// src change, or on disconnect), so that the loader will ignore the
// result when a version change has happened.
#version = (__runInitializers(this, _model_extraInitializers), 0);
connectedCallback() {
super.connectedCallback();
this.createEffect(() => {
this.src;
this.#loadModel();
onCleanup(() => {
this.model?.dispose();
// Note that dispose is already called in the super.resetMeshComponent process.
this.model = null;
// Increment this in case the loader is still loading, so it will ignore the result.
this.#version++;
});
});
}
#loadModel() {
const { src } = this;
const version = this.#version;
if (!src)
return;
// In the following fbxLoader.load() callbacks, if #version doesn't
// match, it means this.src or this.dracoDecoder changed while
// a previous model was loading, in which case we ignore that
// result and wait for the next model to load.
this.loader.load(src, model => version === this.#version && this.#setModel(model), progress => version === this.#version && this.element.emit(Events.PROGRESS, progress), error => version === this.#version && this.#onError(error));
}
#onError(error) {
const message = `Failed to load ${this.element.tagName.toLowerCase()} with src "${this.src}". See the following error.`;
console.warn(message);
const err = error instanceof ErrorEvent && error.error ? error.error : error;
console.error(err);
this.element.emit(Events.MODEL_ERROR, err);
}
#setModel(model) {
model.computeVertexNormals();
this.model = model; // triggers the resetMeshComponent effect
this.element.emit(Events.MODEL_LOAD, { format: 'ply', model });
}
};
return PlyGeometryBehavior = _classThis;
})();
export { PlyGeometryBehavior };
if (globalThis.window?.document && !elementBehaviors.has('ply-geometry'))
elementBehaviors.define('ply-geometry', PlyGeometryBehavior);
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