made with esnextbin
Created
August 16, 2016 15:07
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esnextbin sketch
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>ESNextbin Sketch</title> | |
| <style> | |
| canvas { | |
| border: 1px solid black; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <canvas width="640" height="480" id="canvas"></canvas> | |
| </body> | |
| </html> |
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| import earcut from 'earcut'; | |
| // with duplication | |
| var points = [385.2, 180.3, 475.6, 200.4, 475.6, 200.4, 414.3, 269.8, 414.3, 269.8, 423.2, 361.9, 423.2, 361.9, 338.2, 325.2, 338.2, 325.2, 253.3, 361.9, 253.3, 361.9, 262.1, 269.9, 262.1, 269.9, 200.9, 200.4, 200.9, 200.4, 291.2, 180.3, 291.2, 180.3, 338.2, 100.8, 338.2, 100.8, 385.2, 180.3, 289.3, 265.5, 279, 266.6, 279, 266.6, 286.6, 273.3, 286.6, 273.3, 284.4, 283.4, 284.4, 283.4, 293.3, 278.2, 293.3, 278.2, 302.2, 283.4, 302.2, 283.4, 300, 273.3, 300, 273.3, 307.6, 266.6, 307.6, 266.6, 297.3, 265.5, 297.3, 265.5, 293.3, 256, 293.3, 256, 289.3, 265.5, 365.3, 213.2, 355, 216.7, 355, 216.7, 361.1, 225.6, 361.1, 225.6, 361.3, 236.5, 361.3, 236.5, 371.7, 233.4, 371.7, 233.4, 382.2, 236.5, 382.2, 236.5, 382.4, 225.6, 382.4, 225.6, 388.5, 216.7, 388.5, 216.7, 378.3, 213.2, 378.3, 213.2, 371.7, 204.6, 371.7, 204.6, 365.3, 213.2]; | |
| var holes = [20, 40]; | |
| // without duplication | |
| //var points = [385.2, 180.3, 475.6, 200.4, 414.3, 269.8, 423.2, 361.9, 338.2, 325.2, 253.3, 361.9, 262.1, 269.9, 200.9, 200.4, 291.2, 180.3, 338.2, 100.8, 385.2, 180.3, 289.3, 265.5, 279, 266.6, 286.6, 273.3, 284.4, 283.4, 293.3, 278.2, 302.2, 283.4, 300, 273.3, 307.6, 266.6, 297.3, 265.5, 293.3, 256, 289.3, 265.5, 365.3, 213.2, 355, 216.7, 361.1, 225.6, 361.3, 236.5, 371.7, 233.4, 382.2, 236.5, 382.4, 225.6, 388.5, 216.7, 378.3, 213.2, 371.7, 204.6, 365.3, 213.2]; | |
| //var holes = [11, 22]; | |
| var canvas = document.getElementById('canvas'); | |
| var context = canvas.getContext('2d'); | |
| context.beginPath(); | |
| for (var i = 0; i < points.length; i += 2) { | |
| var x = points[i]; | |
| var y = points[i + 1]; | |
| if (holes.indexOf(i / 2) === -1) { | |
| context.lineTo(x, y); | |
| } else { | |
| context.moveTo(x, y); | |
| } | |
| } | |
| context.lineWidth = 3; | |
| context.stroke(); | |
| context.beginPath(); | |
| var shape = earcut(points, holes); | |
| for (var i = 0; i < shape.length; i ++) { | |
| var x = points[shape[i] * 2]; | |
| var y = points[shape[i] * 2 + 1]; | |
| if (i % 3 === 0) { | |
| console.log(i); | |
| context.moveTo(x, y); | |
| } else { | |
| context.lineTo(x, y); | |
| } | |
| } | |
| context.strokeStyle = 'red'; | |
| context.lineWidth = 2; | |
| context.stroke(); |
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| { | |
| "name": "esnextbin-sketch", | |
| "version": "0.0.0", | |
| "dependencies": { | |
| "earcut": "2.1.1" | |
| } | |
| } |
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| 'use strict'; | |
| var _earcut = require('earcut'); | |
| var _earcut2 = _interopRequireDefault(_earcut); | |
| function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } | |
| // with duplication | |
| var points = [385.2, 180.3, 475.6, 200.4, 475.6, 200.4, 414.3, 269.8, 414.3, 269.8, 423.2, 361.9, 423.2, 361.9, 338.2, 325.2, 338.2, 325.2, 253.3, 361.9, 253.3, 361.9, 262.1, 269.9, 262.1, 269.9, 200.9, 200.4, 200.9, 200.4, 291.2, 180.3, 291.2, 180.3, 338.2, 100.8, 338.2, 100.8, 385.2, 180.3, 289.3, 265.5, 279, 266.6, 279, 266.6, 286.6, 273.3, 286.6, 273.3, 284.4, 283.4, 284.4, 283.4, 293.3, 278.2, 293.3, 278.2, 302.2, 283.4, 302.2, 283.4, 300, 273.3, 300, 273.3, 307.6, 266.6, 307.6, 266.6, 297.3, 265.5, 297.3, 265.5, 293.3, 256, 293.3, 256, 289.3, 265.5, 365.3, 213.2, 355, 216.7, 355, 216.7, 361.1, 225.6, 361.1, 225.6, 361.3, 236.5, 361.3, 236.5, 371.7, 233.4, 371.7, 233.4, 382.2, 236.5, 382.2, 236.5, 382.4, 225.6, 382.4, 225.6, 388.5, 216.7, 388.5, 216.7, 378.3, 213.2, 378.3, 213.2, 371.7, 204.6, 371.7, 204.6, 365.3, 213.2]; | |
| var holes = [20, 40]; | |
| // without duplication | |
| //var points = [385.2, 180.3, 475.6, 200.4, 414.3, 269.8, 423.2, 361.9, 338.2, 325.2, 253.3, 361.9, 262.1, 269.9, 200.9, 200.4, 291.2, 180.3, 338.2, 100.8, 385.2, 180.3, 289.3, 265.5, 279, 266.6, 286.6, 273.3, 284.4, 283.4, 293.3, 278.2, 302.2, 283.4, 300, 273.3, 307.6, 266.6, 297.3, 265.5, 293.3, 256, 289.3, 265.5, 365.3, 213.2, 355, 216.7, 361.1, 225.6, 361.3, 236.5, 371.7, 233.4, 382.2, 236.5, 382.4, 225.6, 388.5, 216.7, 378.3, 213.2, 371.7, 204.6, 365.3, 213.2]; | |
| //var holes = [11, 22]; | |
| var canvas = document.getElementById('canvas'); | |
| var context = canvas.getContext('2d'); | |
| context.beginPath(); | |
| for (var i = 0; i < points.length; i += 2) { | |
| var x = points[i]; | |
| var y = points[i + 1]; | |
| if (holes.indexOf(i / 2) === -1) { | |
| context.lineTo(x, y); | |
| } else { | |
| context.moveTo(x, y); | |
| } | |
| } | |
| context.lineWidth = 3; | |
| context.stroke(); | |
| context.beginPath(); | |
| var shape = (0, _earcut2.default)(points, holes); | |
| for (var i = 0; i < shape.length; i++) { | |
| var x = points[shape[i] * 2]; | |
| var y = points[shape[i] * 2 + 1]; | |
| if (i % 3 === 0) { | |
| console.log(i); | |
| context.moveTo(x, y); | |
| } else { | |
| context.lineTo(x, y); | |
| } | |
| } | |
| context.strokeStyle = 'red'; | |
| context.lineWidth = 2; | |
| context.stroke(); |
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