mirror of
https://github.com/psychopy/psychojs.git
synced 2025-05-10 10:40:54 +00:00
291 lines
9.7 KiB
HTML
291 lines
9.7 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<title>JSDoc: Source: visual/BaseShapeStim.js</title>
|
|
|
|
<script src="scripts/prettify/prettify.js"> </script>
|
|
<script src="scripts/prettify/lang-css.js"> </script>
|
|
<!--[if lt IE 9]>
|
|
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
|
|
<![endif]-->
|
|
<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
|
|
<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
|
|
</head>
|
|
|
|
<body>
|
|
|
|
<div id="main">
|
|
|
|
<h1 class="page-title">Source: visual/BaseShapeStim.js</h1>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<section>
|
|
<article>
|
|
<pre class="prettyprint source linenums"><code>/** @module visual */
|
|
/**
|
|
* Basic Shape Stimulus.
|
|
*
|
|
* @author Alain Pitiot
|
|
* @version 3.0.0b11
|
|
* @copyright (c) 2018 Ilixa Ltd. ({@link http://ilixa.com})
|
|
* @license Distributed under the terms of the MIT License
|
|
*/
|
|
|
|
|
|
import { BaseVisualStim } from './BaseVisualStim';
|
|
import { Color } from '../util/Color';
|
|
import { ColorMixin } from '../util/ColorMixin';
|
|
import * as util from '../util/Util';
|
|
|
|
|
|
/**
|
|
* <p>This class provides the basic functionalities of shape stimuli.</p>
|
|
*
|
|
* @class
|
|
* @extends BaseVisualStim
|
|
* @mixes ColorMixin
|
|
* @param {Object} options
|
|
* @param {String} options.name - the name used when logging messages from this stimulus
|
|
* @param {Window} options.win - the associated Window
|
|
* @param {number} options.lineWidth - the line width
|
|
* @param {Color} [options.lineColor= Color('white')] the line color
|
|
* @param {Color} options.fillColor - the fill color
|
|
* @param {number} [options.opacity= 1.0] - the opacity
|
|
* @param {Array.<Array.<number>>} [options.vertices= [[-0.5, 0], [0, 0.5], [0.5, 0]]] - the shape vertices
|
|
* @param {boolean} [options.closeShape= true] - whether or not the shape is closed
|
|
* @param {Array.<number>} [options.pos= [0, 0]] - the position of the center of the shape
|
|
* @param {number} [options.size= 1.0] - the size
|
|
* @param {number} [options.ori= 0.0] - the orientation (in degrees)
|
|
* @param {string} options.units - the units of the stimulus vertices, size and position
|
|
* @param {number} [options.contrast= 1.0] - the contrast
|
|
* @param {number} [options.depth= 0] - the depth
|
|
* @param {boolean} [options.interpolate= true] - whether or not the shape is interpolated
|
|
* @param {boolean} [options.autoDraw= false] - whether or not the stimulus should be automatically drawn on every frame flip
|
|
* @param {boolean} [options.autoLog= false] - whether or not to log
|
|
*/
|
|
export class BaseShapeStim extends util.mix(BaseVisualStim).with(ColorMixin)
|
|
{
|
|
/**
|
|
* @constructor
|
|
* @public
|
|
*/
|
|
constructor({
|
|
name,
|
|
win,
|
|
lineWidth = 1.5,
|
|
lineColor = new Color('white'),
|
|
fillColor,
|
|
opacity = 1.0,
|
|
vertices = [[-0.5, 0], [0, 0.5], [0.5, 0]],
|
|
closeShape = true,
|
|
pos = [0, 0],
|
|
size = 1.0,
|
|
ori = 0.0,
|
|
units,
|
|
contrast = 1.0,
|
|
depth = 0,
|
|
interpolate = true,
|
|
autoDraw,
|
|
autoLog
|
|
} = {}) {
|
|
super({ name, win, units, ori, opacity, pos, size, autoDraw, autoLog });
|
|
|
|
// the PIXI polygon corresponding to the vertices, in pixel units:
|
|
this._pixiPolygon_px = undefined;
|
|
|
|
this._addAttributes(BaseShapeStim, lineWidth, lineColor, fillColor, vertices, closeShape, contrast, depth, interpolate);
|
|
|
|
/*if (autoLog)
|
|
logging.exp("Created %s = %s" % (self.name, str(self)));*/
|
|
}
|
|
|
|
|
|
/**
|
|
* Setter for the line width attribute.
|
|
*
|
|
* @public
|
|
* @param {number} lineWidth - the line width
|
|
* @param {boolean} [log= false] - whether of not to log
|
|
*/
|
|
setLineWidth(lineWidth, log = false) {
|
|
this._setAttribute('lineWidth', lineWidth, log);
|
|
|
|
this._needUpdate = true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Setter for the line color attribute.
|
|
*
|
|
* @public
|
|
* @param {Color} lineColor - the line color
|
|
* @param {boolean} [log= false] - whether of not to log
|
|
*/
|
|
setLineColor(lineColor, log = false) {
|
|
this._setAttribute('lineColor', lineColor, log);
|
|
|
|
this._needUpdate = true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Setter for the fill color attribute.
|
|
*
|
|
* @public
|
|
* @param {Color} fillColor - the fill color
|
|
* @param {boolean} [log= false] - whether of not to log
|
|
*/
|
|
setFillColor(fillColor, log = false) {
|
|
this._setAttribute('fillColor', fillColor, log);
|
|
|
|
this._needUpdate = true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Setter for the vertices attribute.
|
|
*
|
|
* @public
|
|
* @param {Array.<Array.<number>>} vertices - the vertices
|
|
* @param {boolean} [log= false] - whether of not to log
|
|
*/
|
|
setVertices(vertices, log = false) {
|
|
this._psychoJS.logger.debug('set the vertices of BaseShapeStim:', this.name);
|
|
|
|
this._setAttribute('vertices', vertices, log);
|
|
/*this._setAttribute({
|
|
name: 'vertices',
|
|
value: vertices,
|
|
assert: v => (v != null) && (typeof v !== 'undefined') && Array.isArray(v) )
|
|
log);
|
|
*/
|
|
|
|
this._needVertexUpdate = true;
|
|
this._needUpdate = true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Determine whether this stimulus contains the given object.
|
|
*
|
|
* @public
|
|
* @param {Object} object - the object
|
|
* @param {string} units - the units
|
|
* @return {boolean} whether or not the stimulus contains the object
|
|
*/
|
|
contains(object, units) {
|
|
this._psychoJS.logger.debug('test whether BaseShameStim:', this.name, 'contains object: ', ('name' in object) ? object.name : object);
|
|
|
|
// get position of object:
|
|
const objectPos_px = util.getPositionFromObject(object, units);
|
|
if (typeof objectPos_px === 'undefined')
|
|
throw { origin : 'BaseShapeStim.contains', context : 'when determining whether BaseShameStim: ' + this._name + ' contains object: ' + util.toString(object), error : 'unable to determine the position of the object' };
|
|
|
|
// test for inclusion
|
|
// note: the vertices are centered around (0, 0) so we need to add to them the stimulus' position
|
|
const pos_px = util.to_px(this.pos, this.units, this.win);
|
|
const polygon_px = this._vertices_px.map(v => [v[0] + pos_px[0], v[1] + pos_px[1]]);
|
|
|
|
return util.IsPointInsidePolygon(objectPos_px, polygon_px);
|
|
}
|
|
|
|
|
|
/**
|
|
* Update the stimulus, if necessary.
|
|
*
|
|
* @private
|
|
*/
|
|
_updateIfNeeded() {
|
|
if (!this._needUpdate)
|
|
return;
|
|
this._needUpdate = false;
|
|
|
|
this._getPolygon(/*true*/); // this also updates _vertices_px
|
|
|
|
this._pixi = undefined;
|
|
|
|
// no polygon to draw: return immediately
|
|
if (typeof this._pixiPolygon_px === 'undefined')
|
|
return;
|
|
|
|
// prepare the polygon in the given color and opacity:
|
|
this._pixi = new PIXI.Graphics();
|
|
this._pixi.lineStyle(this._lineWidth, this._lineColor.int, this._opacity, 0.5);
|
|
if (typeof this._fillColor !== 'undefined')
|
|
this._pixi.beginFill(this._fillColor.int, this._opacity);
|
|
this._pixi.drawPolygon(this._pixiPolygon_px);
|
|
if (typeof this._fillColor !== 'undefined')
|
|
this._pixi.endFill();
|
|
|
|
// set polygon position and rotation:
|
|
this._pixi.position = util.to_pixiPoint(this.pos, this.units, this.win);
|
|
this._pixi.rotation = this.ori * Math.PI / 180.0;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the PIXI polygon (in pixel units) corresponding to the vertices.
|
|
*
|
|
* @private
|
|
* @return {Object} the PIXI polygon corresponding to this stimulus vertices.
|
|
*/
|
|
_getPolygon(/*force = false*/) {
|
|
if (!this._needVertexUpdate)
|
|
return;
|
|
this._needVertexUpdate = false;
|
|
|
|
//if (!force && typeof this._pixiPolygon_px !== 'undefined')
|
|
// return this._pixiPolygon_px;
|
|
|
|
// make sure the vertices in pixel units are available, and flatten the array of arrays:
|
|
this._getVertices_px(/*force*/);
|
|
let coords_px = [];
|
|
for (const vertex_px of this._vertices_px)
|
|
coords_px.push.apply(coords_px, vertex_px);
|
|
|
|
// close the polygon if need be:
|
|
if (coords_px.length >= 6 && this._closeShape) {
|
|
// note: we first check whether the vertices already define a closed polygon:
|
|
const n = coords_px.length;
|
|
if (coords_px[0] != coords_px[n - 2] || coords_px[1] != coords_px[n - 1]) {
|
|
coords_px.push(coords_px[0]);
|
|
coords_px.push(coords_px[1]);
|
|
}
|
|
}
|
|
|
|
// create the PIXI polygon:
|
|
this._pixiPolygon_px = new PIXI.Polygon(coords_px);
|
|
return this._pixiPolygon_px;
|
|
}
|
|
|
|
|
|
}
|
|
</code></pre>
|
|
</article>
|
|
</section>
|
|
|
|
|
|
|
|
|
|
</div>
|
|
|
|
<nav>
|
|
<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-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.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-visual.BaseShapeStim.html">BaseShapeStim</a></li><li><a href="module-visual.BaseVisualStim.html">BaseVisualStim</a></li><li><a href="module-visual.ImageStim.html">ImageStim</a></li><li><a href="module-visual.Rect.html">Rect</a></li><li><a href="module-visual.TextStim.html">TextStim</a></li></ul><h3>Mixins</h3><ul><li><a href="module-core.WindowMixin.html">WindowMixin</a></li></ul><h3>Interfaces</h3><ul><li><a href="module-sound.SoundPlayer.html">SoundPlayer</a></li></ul>
|
|
</nav>
|
|
|
|
<br class="clear">
|
|
|
|
<footer>
|
|
Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 20:31:50 GMT+0100 (CET)
|
|
</footer>
|
|
|
|
<script> prettyPrint(); </script>
|
|
<script src="scripts/linenumber.js"> </script>
|
|
</body>
|
|
</html>
|