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133 lines
3.5 KiB
JavaScript
133 lines
3.5 KiB
JavaScript
/**
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* Rectangular Stimulus.
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*
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* @author Alain Pitiot
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* @version 2020.1
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* @copyright (c) 2020 Ilixa Ltd. ({@link http://ilixa.com})
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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>Rectangular visual stimulus.</p>
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*
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* @name module:visual.Rect
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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.width= 0.5] - the width of the rectangle
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* @param {number} [options.height= 0.5] - the height of the rectangle
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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 Rect extends ShapeStim
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{
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constructor({
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name,
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win,
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lineWidth = 1.5,
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lineColor = new Color('white'),
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fillColor,
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opacity = 1.0,
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width = 0.5,
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height = 0.5,
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pos = [0, 0],
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size = 1.0,
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ori = 0.0,
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units,
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contrast = 1.0,
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depth = 0,
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interpolate = true,
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autoDraw,
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autoLog
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} = {})
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{
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super({ name, win, lineWidth, lineColor, fillColor, opacity, pos, ori, size, units, contrast, depth, interpolate, autoDraw, autoLog });
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this._psychoJS.logger.debug('create a new Rect with name: ', name);
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this._addAttributes(Rect, width, height);
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this._updateVertices();
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if (this._autoLog)
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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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* Setter for the width attribute.
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*
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* @name module:visual.Rect#setWidth
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* @public
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* @param {number} width - the rectange width
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* @param {boolean} [log= false] - whether of not to log
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*/
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setWidth(width, log = false)
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{
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this._psychoJS.logger.debug('set the width of Rect: ', this.name, 'to: ', width);
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this._setAttribute('width', width, log);
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this._updateVertices();
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}
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/**
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* Setter for the height attribute.
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*
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* @name module:visual.Rect#setHeight
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* @public
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* @param {number} height - the rectange height
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* @param {boolean} [log= false] - whether of not to log
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*/
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setHeight(height, log = false)
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{
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this._psychoJS.logger.debug('set the height of Rect: ', this.name, 'to: ', height);
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this._setAttribute('height', height, log);
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this._updateVertices();
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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.Rect#_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 Rect: ', this.name);
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const halfWidth = this._width / 2.0;
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const halfHeight = this._height / 2.0;
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this.setVertices([
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[-halfWidth, -halfHeight],
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[halfWidth, -halfHeight],
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[halfWidth, halfHeight],
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[-halfWidth, halfHeight]
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]);
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}
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}
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