//==========================================================================================
//			arc_line.txt
//	Author: Clif Collins			Date: Jan 2010
//==========================================================================================

//==========================================================================================
//					arcToLine
//==========================================================================================
function arcToLine(arc)
{
	var line,angle,da,x,y,p,np,i,sweep;

	np = 15;

	points = new Array();
	if (arc.radius <= 0.0000001) return points;

	start = (arc.start + 360) % 360;
	sweep = (arc.sweep + 360) % 360;
	if (sweep <= 0.0000001) return points;
	
	sweep = sweep / 180.0 * Math.PI;
	da = sweep / np;
	
	angle = start / 180.0 * Math.PI;
	for (i=0; i <= np; ++i)
	{
		p = new Object();
		p.x = (Math.cos(angle) * arc.radius) + arc.cx;
		p.y = (Math.sin(angle) * arc.radius) + arc.cy;
		
		points[i] = p;
		angle += da;
	}

	return points;
}