Re: [sc-users] drawHook and do loops

[thor <th.list@xxxxxxxxx>]

On 6 Mar 2006, at 22:51, Jascha Narveson wrote:

does anyone know why does the do loop in this simple Pen example executes multiple times?  this is a concise version of a problem which is showing up in a much longer piece of code-in-progress, and i can't figure it out.

You've got the win.refresh inside the win.drawHook function, so that creates a recursive loop.

I took it out of the loop so this should work:

f = { 

var win;

win = SCWindow.new("penplot", Rect(100,100,400,200));

win.view.background_(Color.white);

win.drawHook = {

Pen.translate(0,100);

Color.grey.set;

Pen.moveTo(Point(0,0));

Pen.lineTo(Point(400,0));

Pen.stroke;

2.do({|i| i.postln});

};

win.refresh;

win.front;

};

f.value;