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197 lines
7.1 KiB
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<title>JSDoc: Source: visual/Polygon.js</title>
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<h1 class="page-title">Source: visual/Polygon.js</h1>
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<section>
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<article>
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<pre class="prettyprint source linenums"><code>/**
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* Polygonal Stimulus.
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*
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* @author Alain Pitiot
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* @version 2021.1.0
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* @copyright (c) 2017-2020 Ilixa Ltd. (http://ilixa.com) (c) 2020 Open Science Tools Ltd. (https://opensciencetools.org)
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* @license Distributed under the terms of the MIT License
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*/
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import {ShapeStim} from './ShapeStim';
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import {Color} from '../util/Color';
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/**
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* <p>Polygonal visual stimulus.</p>
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*
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* @name module:visual.Polygon
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* @class
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* @extends ShapeStim
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* @param {Object} options
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* @param {String} options.name - the name used when logging messages from this stimulus
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* @param {Window} options.win - the associated Window
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* @param {number} [options.lineWidth= 1.5] - the line width
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* @param {Color} [options.lineColor= Color('white')] the line color
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* @param {Color} options.fillColor - the fill color
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* @param {number} [options.opacity= 1.0] - the opacity
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* @param {number} [options.edges= 3] - the number of edges of the polygon
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* @param {number} [options.radius= 0.5] - the radius of the polygon
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* @param {Array.<number>} [options.pos= [0, 0]] - the position
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* @param {number} [options.size= 1.0] - the size
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* @param {number} [options.ori= 0.0] - the orientation (in degrees)
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* @param {string} options.units - the units of the stimulus vertices, size and position
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* @param {number} [options.contrast= 1.0] - the contrast
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* @param {number} [options.depth= 0] - the depth
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* @param {boolean} [options.interpolate= true] - whether or not the shape is interpolated
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* @param {boolean} [options.autoDraw= false] - whether or not the stimulus should be automatically drawn on every frame flip
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* @param {boolean} [options.autoLog= false] - whether or not to log
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*/
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export class Polygon extends ShapeStim
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{
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constructor({name, win, lineWidth, lineColor, fillColor, opacity, edges, radius, pos, size, ori, units, contrast, depth, interpolate, autoDraw, autoLog} = {})
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{
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super({
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name,
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win,
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lineWidth,
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lineColor,
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fillColor,
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opacity,
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pos,
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ori,
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size,
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units,
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contrast,
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depth,
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interpolate,
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autoDraw,
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autoLog
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});
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this._psychoJS.logger.debug('create a new Polygon with name: ', name);
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this._addAttribute(
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'edges',
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edges,
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3
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);
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this._addAttribute(
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'radius',
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radius,
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0.5
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);
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this._updateVertices();
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if (this._autoLog)
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{
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this._psychoJS.experimentLogger.exp(`Created ${this.name} = ${this.toString()}`);
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}
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}
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/**
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* Setter for the radius attribute.
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*
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* @name module:visual.Polygon#setRadius
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* @public
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* @param {number} radius - the polygon radius
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* @param {boolean} [log= false] - whether of not to log
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*/
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setRadius(radius, log = false)
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{
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const hasChanged = this._setAttribute('radius', radius, log);
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if (hasChanged)
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{
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this._updateVertices();
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}
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}
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/**
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* Setter for the edges attribute.
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*
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* @name module:visual.Polygon#setEdges
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* @public
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* @param {number} edges - the number of edges
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* @param {boolean} [log= false] - whether of not to log
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*/
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setEdges(edges, log = false)
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{
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const hasChanged = this._setAttribute('edges', Math.round(edges), log);
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if (hasChanged)
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{
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this._updateVertices();
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}
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}
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/**
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* Update the vertices.
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*
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* @name module:visual.Polygon#_updateVertices
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* @private
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*/
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_updateVertices()
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{
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this._psychoJS.logger.debug('update the vertices of Polygon: ', this.name);
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const angle = 2.0 * Math.PI / this._edges;
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const vertices = [];
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for (let v = 0; v < this._edges; ++v)
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{
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vertices.push([Math.sin(v * angle) * this._radius, Math.cos(v * angle) * this._radius]);
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}
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this.setVertices(vertices);
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}
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}
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</code></pre>
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</article>
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</section>
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<h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-core.html">core</a></li><li><a href="module-data.html">data</a></li><li><a href="module-sound.html">sound</a></li><li><a href="module-util.html">util</a></li><li><a href="module-visual.html">visual</a></li></ul><h3>Classes</h3><ul><li><a href="module-core.BuilderKeyResponse.html">BuilderKeyResponse</a></li><li><a href="module-core.EventManager.html">EventManager</a></li><li><a href="module-core.GUI.html">GUI</a></li><li><a href="module-core.Keyboard.html">Keyboard</a></li><li><a href="module-core.KeyPress.html">KeyPress</a></li><li><a href="module-core.Logger.html">Logger</a></li><li><a href="module-core.MinimalStim.html">MinimalStim</a></li><li><a href="module-core.Mouse.html">Mouse</a></li><li><a href="module-core.PsychoJS.html">PsychoJS</a></li><li><a href="module-core.ServerManager.html">ServerManager</a></li><li><a href="module-core.Window.html">Window</a></li><li><a href="module-data.ExperimentHandler.html">ExperimentHandler</a></li><li><a href="module-data.TrialHandler.html">TrialHandler</a></li><li><a href="module-sound.Sound.html">Sound</a></li><li><a href="module-sound.TonePlayer.html">TonePlayer</a></li><li><a href="module-sound.TrackPlayer.html">TrackPlayer</a></li><li><a href="module-util.Clock.html">Clock</a></li><li><a href="module-util.Color.html">Color</a></li><li><a href="module-util.CountdownTimer.html">CountdownTimer</a></li><li><a href="module-util.EventEmitter.html">EventEmitter</a></li><li><a href="module-util.MixinBuilder.html">MixinBuilder</a></li><li><a href="module-util.MonotonicClock.html">MonotonicClock</a></li><li><a href="module-util.PsychObject.html">PsychObject</a></li><li><a href="module-util.Scheduler.html">Scheduler</a></li><li><a href="module-visual.Form.html">Form</a></li><li><a href="module-visual.ImageStim.html">ImageStim</a></li><li><a href="module-visual.MovieStim.html">MovieStim</a></li><li><a href="module-visual.Polygon.html">Polygon</a></li><li><a href="module-visual.Rect.html">Rect</a></li><li><a href="module-visual.ShapeStim.html">ShapeStim</a></li><li><a href="module-visual.Slider.html">Slider</a></li><li><a href="module-visual.TextBox.html">TextBox</a></li><li><a href="module-visual.TextStim.html">TextStim</a></li><li><a href="module-visual.VisualStim.html">VisualStim</a></li><li><a href="TextInput.html">TextInput</a></li></ul><h3>Interfaces</h3><ul><li><a href="module-sound.SoundPlayer.html">SoundPlayer</a></li></ul><h3>Mixins</h3><ul><li><a href="module-core.WindowMixin.html">WindowMixin</a></li><li><a href="module-util.ColorMixin.html">ColorMixin</a></li></ul>
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