%PDF- %PDF-
Direktori : /home/opti/workflow/src/public/app-assets/vendors/js/charts/echarts/zrender/contain/ |
Current File : /home/opti/workflow/src/public/app-assets/vendors/js/charts/echarts/zrender/contain/polygon.js |
define(function (require) { var windingLine = require('./windingLine'); var EPSILON = 1e-8; function isAroundEqual(a, b) { return Math.abs(a - b) < EPSILON; } function contain(points, x, y) { var w = 0; var p = points[0]; if (!p) { return false; } for (var i = 1; i < points.length; i++) { var p2 = points[i]; w += windingLine(p[0], p[1], p2[0], p2[1], x, y); p = p2; } // Close polygon var p0 = points[0]; if (!isAroundEqual(p[0], p0[0]) || !isAroundEqual(p[1], p0[1])) { w += windingLine(p[0], p[1], p0[0], p0[1], x, y); } return w !== 0; } return { contain: contain }; });