notes

// use globally available functions to:
setBackgroundColor(.6, 0, 0);
setPenColor(.8, .5, .3);
setPenWeight(.01);

// define the function of drawing a dandelion
function Dandelion(scale, x, y) //scale: how big the dandelion is (0-1); x,y: the center of it (0-1)
{
@@for (i=0; i<scale*50; i++)
@@{
@@@@var px = ((math.random()-.5)*scale+x); //px,py: the end point of main stem
@@@@if ( px+scale/10>1 )
@@@@{
@@@@@@px=2-scale/5-px;
@@@@}
@@@@else if (px-scale/10<0 )
@@@@{
@@@@@@px=scale/5-px;
@@@@}

@@@@var py = ((math.random()-.5)*scale+y);
@@@@if ( py+scale/10>1 )
@@@@{
@@@@@@py=2-scale/5-py;
@@@@}
@@@@else if (py-scale/10<0 )
@@@@{
@@@@@@py=scale/5-py;
@@@@}

@@@@setPenWeight(.0125*math.sqrt(scale));
@@@@drawLine(x, y, px, py); //draw the main stem
@@@@setPenWeight(.01*math.sqrt(scale));
@@@@drawLine(px, py, px+scale*(math.random()/10-.05), py+scale*(math.random()/10-.05)); //draw the little tip
@@}
}

//define the function of drawing multiple dandelions
function Dandelions (howmany) //howmany: how many of them
{
@@for (j=0; j<howmany; j++)
@@{
@@@@setPenColor(.8+(math.random()-.5)*.1, .5+(math.random()-.5)*.3, .3+(math.random()-.5)*.2);
@@@@var oneflower=math.random()/10*8+.1;
@@@@Dandelion( oneflower, math.random(), math.random() );
@@}
}

// call the function of dandelion
Dandelions(6);

// stop playback head to prevent continuous redrawing
stop();

On the button:

on(release)
{
@@Dandelions(2);
}

Dandelion.fla Dandelion.swf