用于撩妹Heart = function() { // x = 16 sin^3 t // y = 13 cos t - 5 cos 2t - 2 cos 3t - cos 4t // http://www.wolframalpha.com/input/?i=x+=+16+sin^3+t,+y+=+(13+cos+t+-+5+cos+2t+-+2+cos+3t+-+cos+4t) var points = [], x, y, t; for (var i = 10; i < 30; i += 0.2) {
