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Direktori : /home/opti/workflow/src/public/app-assets/vendors/js/charts/echarts/zrender/graphic/shape/ |
Current File : /home/opti/workflow/src/public/app-assets/vendors/js/charts/echarts/zrender/graphic/shape/Rose.js |
/** * 玫瑰线 * @module zrender/graphic/shape/Rose */ define(function (require) { var sin = Math.sin; var cos = Math.cos; var radian = Math.PI / 180; return require('../Path').extend({ type: 'rose', shape: { cx: 0, cy: 0, r: [], k: 0, n: 1 }, style: { stroke: '#000', fill: null }, buildPath: function (ctx, shape) { var x; var y; var R = shape.r; var r; var k = shape.k; var n = shape.n; var x0 = shape.cx; var y0 = shape.cy; ctx.moveTo(x0, y0); for (var i = 0, len = R.length; i < len ; i++) { r = R[i]; for (var j = 0; j <= 360 * n; j++) { x = r * sin(k / n * j % 360 * radian) * cos(j * radian) + x0; y = r * sin(k / n * j % 360 * radian) * sin(j * radian) + y0; ctx.lineTo(x, y); } } } }); });