>>68
HTML5,JavaScript
��canvas id="cv" width="360" height="360"></canvas��
��script>
var ctx = document.getElementById("cv").getContext("2d");
ctx.lineWidth = 5; //���̑���
ctx.strokeStyle = "red";
ctx.beginPath();
var r=10;var x0=0,y0=0;

for(i=0;i<=360;i+=5){

var d = i*Math.PI/180;

x0= r*(16*Math.sin(d)*Math.sin(d)*Math.sin(d));
y0= r*(13*Math.cos(d)-5*Math.cos(2*d)-2*Math.cos(3*d)-Math.cos(4*d));
ctx.lineTo(w+x0,h-y0);
}

ctx.stroke();
</script��

(�摜)