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November 20, 2017 22:36
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| license: mit |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| // Feel free to change or delete any of the code you see in this editor! | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", 960) | |
| .attr("height", 1000) | |
| var circle = svg.append("circle") | |
| .attr("cy", 0) | |
| .attr("cx", 500) | |
| .attr("r", 10) | |
| .style("fill", "#B62A3D") | |
| function drop() { | |
| circle | |
| .transition() | |
| .attr("cy",950) | |
| .duration(10000) | |
| } | |
| function moveLeft() { | |
| circle | |
| .transition() | |
| .attr("cx", circle.attr("cx")-20) | |
| } | |
| function moveRight() { | |
| circle | |
| .transition() | |
| .attr("cx", circle.attr("cx")+20) | |
| } | |
| document.addEventListener('keydown', function(event) { | |
| event.preventDefault(); | |
| if (event.which === 32) { | |
| drop(); | |
| } else if (event.which === 37) { | |
| moveLeft(); | |
| } else if (event.which === 39) { | |
| moveRight(); | |
| } | |
| }) | |
| </script> | |
| </body> |
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