/*! * jQuery UI Selectable 1.13.3 * https://jqueryui.com * * Copyright OpenJS Foundation and other contributors * Released under the MIT license. * https://jquery.org/license */ //>>label: Selectable //>>group: Interactions //>>description: Allows groups of elements to be selected with the mouse. //>>docs: https://api.jqueryui.com/selectable/ //>>demos: https://jqueryui.com/selectable/ //>>css.structure: ../../themes/base/selectable.css ( function( factory ) { "use strict"; if ( typeof define === "function" && define.amd ) { // AMD. Register as an anonymous module. define( [ "jquery", "./mouse", "../version", "../widget" ], factory ); } else { // Browser globals factory( jQuery ); } } )( function( $ ) { "use strict"; return $.widget( "ui.selectable", $.ui.mouse, { version: "1.13.3", options: { appendTo: "body", autoRefresh: true, distance: 0, filter: "*", tolerance: "touch", // Callbacks selected: null, selecting: null, start: null, stop: null, unselected: null, unselecting: null }, _create: function() { var that = this; this._addClass( "ui-selectable" ); this.dragged = false; // Cache selectee children based on filter this.refresh = function() { that.elementPos = $( that.element[ 0 ] ).offset(); that.selectees = $( that.options.filter, that.element[ 0 ] ); that._addClass( that.selectees, "ui-selectee" ); that.selectees.each( function() { var $this = $( this ), selecteeOffset = $this.offset(), pos = { left: selecteeOffset.left - that.elementPos.left, top: selecteeOffset.top - that.elementPos.top }; $.data( this, "selectable-item", { element: this, $element: $this, left: pos.left, top: pos.top, right: pos.left + $this.outerWidth(), bottom: pos.top + $this.outerHeight(), startselected: false, selected: $this.hasClass( "ui-selected" ), selecting: $this.hasClass( "ui-selecting" ), unselecting: $this.hasClass( "ui-unselecting" ) } ); } ); }; this.refresh(); this._mouseInit(); this.helper = $( "<div>" ); this._addClass( this.helper, "ui-selectable-helper" ); }, _destroy: function() { this.selectees.removeData( "selectable-item" ); this._mouseDestroy(); }, _mouseStart: function( event ) { var that = this, options = this.options; this.opos = [ event.pageX, event.pageY ]; this.elementPos = $( this.element[ 0 ] ).offset(); if ( this.options.disabled ) { return; } this.selectees = $( options.filter, this.element[ 0 ] ); this._trigger( "start", event ); $( options.appendTo ).append( this.helper ); // position helper (lasso) this.helper.css( { "left": event.pageX, "top": event.pageY, "width": 0, "height": 0 } ); if ( options.autoRefresh ) { this.refresh(); } this.selectees.filter( ".ui-selected" ).each( function() { var selectee = $.data( this, "selectable-item" ); selectee.startselected = true; if ( !event.metaKey && !event.ctrlKey ) { that._removeClass( selectee.$element, "ui-selected" ); selectee.selected = false; that._addClass( selectee.$element, "ui-unselecting" ); selectee.unselecting = true; // selectable UNSELECTING callback that._trigger( "unselecting", event, { unselecting: selectee.element } ); } } ); $( event.target ).parents().addBack().each( function() { var doSelect, selectee = $.data( this, "selectable-item" ); if ( selectee ) { doSelect = ( !event.metaKey && !event.ctrlKey ) || !selectee.$element.hasClass( "ui-selected" ); that._removeClass( selectee.$element, doSelect ? "ui-unselecting" : "ui-selected" ) ._addClass( selectee.$element, doSelect ? "ui-selecting" : "ui-unselecting" ); selectee.unselecting = !doSelect; selectee.selecting = doSelect; selectee.selected = doSelect; // selectable (UN)SELECTING callback if ( doSelect ) { that._trigger( "selecting", event, { selecting: selectee.element } ); } else { that._trigger( "unselecting", event, { unselecting: selectee.element } ); } return false; } } ); }, _mouseDrag: function( event ) { this.dragged = true; if ( this.options.disabled ) { return; } var tmp, that = this, options = this.options, x1 = this.opos[ 0 ], y1 = this.opos[ 1 ], x2 = event.pageX, y2 = event.pageY; if ( x1 > x2 ) { tmp = x2; x2 = x1; x1 = tmp; } if ( y1 > y2 ) { tmp = y2; y2 = y1; y1 = tmp; } this.helper.css( { left: x1, top: y1, width: x2 - x1, height: y2 - y1 } ); this.selectees.each( function() { var selectee = $.data( this, "selectable-item" ), hit = false, offset = {}; //prevent helper from being selected if appendTo: selectable if ( !selectee || selectee.element === that.element[ 0 ] ) { return; } offset.left = selectee.left + that.elementPos.left; offset.right = selectee.right + that.elementPos.left; offset.top = selectee.top + that.elementPos.top; offset.bottom = selectee.bottom + that.elementPos.top; if ( options.tolerance === "touch" ) { hit = ( !( offset.left > x2 || offset.right < x1 || offset.top > y2 || offset.bottom < y1 ) ); } else if ( options.tolerance === "fit" ) { hit = ( offset.left > x1 && offset.right < x2 && offset.top > y1 && offset.bottom < y2 ); } if ( hit ) { // SELECT if ( selectee.selected ) { that._removeClass( selectee.$element, "ui-selected" ); selectee.selected = false; } if ( selectee.unselecting ) { that._removeClass( selectee.$element, "ui-unselecting" ); selectee.unselecting = false; } if ( !selectee.selecting ) { that._addClass( selectee.$element, "ui-selecting" ); selectee.selecting = true; // selectable SELECTING callback that._trigger( "selecting", event, { selecting: selectee.element } ); } } else { // UNSELECT if ( selectee.selecting ) { if ( ( event.metaKey || event.ctrlKey ) && selectee.startselected ) { that._removeClass( selectee.$element, "ui-selecting" ); selectee.selecting = false; that._addClass( selectee.$element, "ui-selected" ); selectee.selected = true; } else { that._removeClass( selectee.$element, "ui-selecting" ); selectee.selecting = false; if ( selectee.startselected ) { that._addClass( selectee.$element, "ui-unselecting" ); selectee.unselecting = true; } // selectable UNSELECTING callback that._trigger( "unselecting", event, { unselecting: selectee.element } ); } } if ( selectee.selected ) { if ( !event.metaKey && !event.ctrlKey && !selectee.startselected ) { that._removeClass( selectee.$element, "ui-selected" ); selectee.selected = false; that._addClass( selectee.$element, "ui-unselecting" ); selectee.unselecting = true; // selectable UNSELECTING callback that._trigger( "unselecting", event, { unselecting: selectee.element } ); } } } } ); return false; }, _mouseStop: function( event ) { var that = this; this.dragged = false; $( ".ui-unselecting", this.element[ 0 ] ).each( function() { var selectee = $.data( this, "selectable-item" ); that._removeClass( selectee.$element, "ui-unselecting" ); selectee.unselecting = false; selectee.startselected = false; that._trigger( "unselected", event, { unselected: selectee.element } ); } ); $( ".ui-selecting", this.element[ 0 ] ).each( function() { var selectee = $.data( this, "selectable-item" ); that._removeClass( selectee.$element, "ui-selecting" ) ._addClass( selectee.$element, "ui-selected" ); selectee.selecting = false; selectee.selected = true; selectee.startselected = true; that._trigger( "selected", event, { selected: selectee.element } ); } ); this._trigger( "stop", event ); this.helper.remove(); return false; } } ); } );

ميديا

“ألعاب الواقع الافتراضي: رحلة إلى عوالم تفاعلية غامرة”

يونيو 12, 2025

2٬570 أقل من دقيقة

في هذا التقرير المصور، نأخذك في جولة بصرية داخل عالم ألعاب الواقع الافتراضي (VR)، حيث تندمج التكنولوجيا مع الترفيه لخلق تجارب لا مثيل لها. من خلال نظارات الواقع الافتراضي المتطورة، يمكن للاعبين التفاعل مع بيئات ثلاثية الأبعاد، مما يتيح لهم الانغماس الكامل في الألعاب. سنستعرض أبرز الألعاب المتاحة، مثل “Beat Saber” و”Half-Life: Alyx”، التي تقدم تجارب تفاعلية مبتكرة. كما نسلط الضوء على التحديات التي تواجه هذه التقنية، مثل التكلفة المرتفعة ومشاكل الراحة أثناء الاستخدام الطويل. انضم إلينا لاكتشاف كيف يُعيد الواقع الافتراضي تعريف مفهوم اللعب ويشكل مستقبل صناعة الألعاب.