function?drawBg(cxt,x,y){
????????console.log(sum());
????????cxt.save();
????????cxt.beginPath();
????????cxt.moveTo(x,y);
????????cxt.fillStyle="red";
????????//cxt.bezierCurveTo(x+32,?y-26,?x+242,?y+68,?x+300,?y+37);
????????cxt.bezierCurveTo(x+32,?y-26,?x+242,?y+68,?x+300,?y+37);
????????cxt.lineTo(x+300,y+237);
????????cxt.bezierCurveTo(x+162,?y+254,?x+84,?y+138,?x,?y+174);
????????cxt.lineTo(x,y);
????????cxt.fill();
????????cxt.closePath();
????????cxt.restore();
????????cxt.beginPath();
????????cxt.moveTo(x,y);
????????cxt.lineTo(x,y+300);
????????cxt.lineWidth=6;
????????cxt.lineCap="round";
????????cxt.stroke();
????????cxt.closePath();
????}就是用了貝塞爾曲線，想不出用什么方法讓它飄起來，風吹的效果？？請大家幫幫忙?。?！
【canvas】如何讓我的國旗飄起來？？？？？？？
lechenging
2014-11-17 15:59:22