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February 25, 2020 06:42
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| $(function(){ // on dom ready | |
| // photos from flickr with creative commons license | |
| var cy = cytoscape({ | |
| container: document.getElementById('cy'), | |
| boxSelectionEnabled: false, | |
| autounselectify: true, | |
| style: cytoscape.stylesheet() | |
| .selector('node') | |
| .css({ | |
| 'height': 80, | |
| 'width': 80, | |
| 'background-fit': 'cover', | |
| 'border-color': '#000', | |
| 'border-width': 3, | |
| 'border-opacity': 0.5 | |
| }) | |
| .selector('.eating') | |
| .css({ | |
| 'border-color': 'red' | |
| }) | |
| .selector('.eater') | |
| .css({ | |
| 'border-width': 9 | |
| }) | |
| .selector('edge') | |
| .css({ | |
| 'width': 6, | |
| 'target-arrow-shape': 'triangle', | |
| 'line-color': '#ffaaaa', | |
| 'target-arrow-color': '#ffaaaa', | |
| 'curve-style': 'bezier' | |
| }) | |
| .selector('#bird') | |
| .css({ | |
| 'background-image': 'https://farm8.staticflickr.com/7272/7633179468_3e19e45a0c_b.jpg' | |
| }) | |
| .selector('#cat') | |
| .css({ | |
| 'background-image': 'https://farm2.staticflickr.com/1261/1413379559_412a540d29_b.jpg' | |
| }) | |
| .selector('#ladybug') | |
| .css({ | |
| 'background-image': 'https://farm4.staticflickr.com/3063/2751740612_af11fb090b_b.jpg' | |
| }) | |
| .selector('#aphid') | |
| .css({ | |
| 'background-image': 'https://farm9.staticflickr.com/8316/8003798443_32d01257c8_b.jpg' | |
| }) | |
| .selector('#rose') | |
| .css({ | |
| 'background-image': 'https://farm6.staticflickr.com/5109/5817854163_eaccd688f5_b.jpg' | |
| }) | |
| .selector('#grasshopper') | |
| .css({ | |
| 'background-image': 'https://farm7.staticflickr.com/6098/6224655456_f4c3c98589_b.jpg' | |
| }) | |
| .selector('#plant') | |
| .css({ | |
| 'background-image': 'https://farm1.staticflickr.com/231/524893064_f49a4d1d10_z.jpg' | |
| }) | |
| .selector('#wheat') | |
| .css({ | |
| 'background-image': 'https://farm3.staticflickr.com/2660/3715569167_7e978e8319_b.jpg' | |
| }), | |
| elements: { | |
| nodes: [ | |
| { data: { id: 'cat' } }, | |
| { data: { id: 'bird' } }, | |
| { data: { id: 'ladybug' } }, | |
| { data: { id: 'aphid' } }, | |
| { data: { id: 'rose' } }, | |
| { data: { id: 'grasshopper' } }, | |
| { data: { id: 'plant' } }, | |
| { data: { id: 'wheat' } } | |
| ], | |
| edges: [ | |
| { data: { source: 'cat', target: 'bird' } }, | |
| { data: { source: 'bird', target: 'ladybug' } }, | |
| { data: { source: 'bird', target: 'grasshopper' } }, | |
| { data: { source: 'grasshopper', target: 'plant' } }, | |
| { data: { source: 'grasshopper', target: 'wheat' } }, | |
| { data: { source: 'ladybug', target: 'aphid' } }, | |
| { data: { source: 'aphid', target: 'rose' } } | |
| ] | |
| }, | |
| layout: { | |
| name: 'breadthfirst', | |
| directed: true, | |
| padding: 10 | |
| } | |
| }); // cy init | |
| cy.on('tap', 'node', function( e ){ | |
| var nodes = e.target; | |
| var tapped = nodes; | |
| var food = []; | |
| nodes.addClass('eater'); | |
| for(;;){ | |
| var connectedEdges = nodes.connectedEdges(function(el){ | |
| return !el.target().anySame( nodes ); | |
| }); | |
| var connectedNodes = connectedEdges.targets(); | |
| Array.prototype.push.apply( food, connectedNodes ); | |
| nodes = connectedNodes; | |
| if( nodes.empty() ){ break; } | |
| } | |
| var delay = 0; | |
| var duration = 500; | |
| for( var i = food.length - 1; i >= 0; i-- ){ (function(){ | |
| var thisFood = food[i]; | |
| var eater = thisFood.connectedEdges(function(el){ | |
| return el.target().same(thisFood); | |
| }).source(); | |
| thisFood.delay( delay, function(){ | |
| eater.addClass('eating'); | |
| } ).animate({ | |
| position: eater.position(), | |
| css: { | |
| 'width': 10, | |
| 'height': 10, | |
| 'border-width': 0, | |
| 'opacity': 0 | |
| } | |
| }, { | |
| duration: duration, | |
| complete: function(){ | |
| thisFood.remove(); | |
| } | |
| }); | |
| delay += duration; | |
| })(); } // for | |
| }); // on tap | |
| }); // on dom ready |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <link href="style.css" rel="stylesheet" /> | |
| <meta charset=utf-8 /> | |
| <meta name="viewport" content="user-scalable=no, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, minimal-ui"> | |
| <title>Images</title> | |
| <script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script> | |
| <script src="http://cytoscape.github.io/cytoscape.js/api/cytoscape.js-latest/cytoscape.min.js"></script> | |
| <script src="code.js"></script> | |
| </head> | |
| <body> | |
| <div id="cy"></div> | |
| </body> | |
| </html> |
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| body { | |
| font: 14px helvetica neue, helvetica, arial, sans-serif; | |
| } | |
| #cy { | |
| height: 100%; | |
| width: 100%; | |
| position: absolute; | |
| left: 0; | |
| top: 0; | |
| } | |
| #eat { | |
| position: absolute; | |
| left: 1em; | |
| top: 1em; | |
| font-size: 1em; | |
| z-index: -1; | |
| color: #c88; | |
| } |
very good. 非常好。
mark, nice
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super