www.gusucode.com > 200套html5精品模板1_50 > 200套html5精品模板1_50/032/js/MathUtils.js
function getRandomFromRange(min, max){ return Math.random() * (max - min) + min; } function getRandomFromRangeInt(min, max){ return Math.floor(Math.random() * (max - min + 1)) + min; } function DegToRad(deg) { return (Math.PI/180)*deg; } function RadToDeg(rad) { return (180/Math.PI)*rad; } function getXOnCircle(radius_,angle_){ return (radius_* Math.cos(DegToRad(angle_))); } function getYOnCircle(radius_,angle_){ return (radius_* Math.sin(DegToRad(angle_))); } function windowH() { return (($(window).height()>=parseInt($('body').css('minHeight')))?$(window).height():parseInt($('body').css('minHeight'))); } function windowW() { return (($(window).width()>=parseInt($('body').css('minWidth')))?$(window).width():parseInt($('body').css('minWidth'))); } function windowHalfH() { return (windowH()*.5); } function windowHalfW() { return (windowW()*.5); }