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nrwinner/angle.js

Created June 10, 2018 15:03
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Calculate width, height, and bottom position of rotated "angle" elements
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angle.js
let w = window.outerWidth;
let width = Math.ceil(w / Math.cos(ANGLE * Math.PI / 180));
let height = Math.ceil(w * Math.tan(ANGLE * Math.PI / 180));
let bottom = Math.floor((-1) * ((Math.tan(ANGLE * Math.PI / 180) * w) / 2));
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