用笛卡尔公式画出的一颗心状图 -电脑资料

    代码：

    var Width = Stage.width;

    var Height = Stage.height;

    var pen = _root.createEmptyMovieClip("pen_mc", 2);

    var ib = 0;

    var End = 90;

    this.onEnterFrame. = function() {

    if (ib

    for (j=0; j

    r = Math.PI/45*ib*(1-Math.sin(Math.PI/45*j))*18;

    x = r*Math.cos(Math.PI/45*j)*Math.sin(Math.PI/45*ib)+Width/2;

    y = -r*Math.sin(Math.PI/45*j)+Height/4;

    drawDot(pen, int(x), int(y), 0x00FF00);

    //drawCircle(pen, int(x), int(y), 2, 0x000000, 0x00FF00, 0);

    }

    ib++;

    } else {

    delete this.onEnterFrame;

    }

    };

    /*ÒòΪֱ½ÓforǶÌ×Ñ­»·FLASHÌ«³ÔÁ¦ÁË¡£¡£ËùÒÔ¸ÄÓÃonEnterFrameÁË...

    for (i=0; i<90; i++) {

    for (j=0; j<90; j++) {

    r = Math.PI/45*i*(1-Math.sin(Math.PI/45*j))*18;

    x = r*Math.cos(Math.PI/45*j)*Math.sin(Math.PI/45*i)+AppletWidth/2;

    y = -r*Math.sin(Math.PI/45*j)+AppletHeight/4;

    drawDot(pen, int(x), int(y), 0x00FF00);

    //drawCircle(pen, int(x), int(y), 2, 0x000000, 0x00FF00, 0);

    }

    }

    */

    function drawDot(pen, x, y, DColor) {

    pen.moveTo(x-0.5, y);

    pen.lineStyle(2, DColor, 100);

    pen.lineTo(x+0.5, y);

    }