//第一条波浪 var wave1 = document.getElementById(“myCanvas”); var ctx_wave1 = wave1.getContext(‘2d’); var OMiGa=4Math.PI/((r1+hukuan/2)Math.cos(Math.PI/6)); var WeiYi=(r1+hukuan/2)Math.cos(Math.PI/6); var A6=10; var H6=cy+(r1+hukuan/2)Math.sin(Math.PI/6); var XX6=cx-(r1+hukuan/2)*Math.cos(Math.PI/6);