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();
}就是用了贝塞尔曲线,想不出用什么方法让它飘起来,风吹的效果??请大家帮帮忙!!!
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