Draw Full Line Through Any Two Points - Page 3

{
// the next few variables will be soon be used
// when we draw our line
var newDeltY:Number;
var newDeltY2:Number;
var _newX:Number;
var _bttmX:Number;
// Since Flash coutns the top of the stage as y =0
// newDeltY = the y value of our clip
newDeltY = myClip1._y;
// Now use our slope and the prior variable to find
//the x to which we want to draw our line
_newX = myClip1._x + (newDeltY/ _slope);
newDeltY2 = Stage.height- myClip1._y;
_bttmX = myClip1._x - (newDeltY2 / _slope);
// Now move pen of line to _btttmX and Stage.height
//the latter point is the bottom most point of our line
drawLineInThisClip.moveTo( _bttmX , Stage.height);
// Drw line to _newX and the top of the stage ('0')
drawLineInThisClip.lineTo(_newX,0);
}

{
//deltaX is from point to total right (Stage.width)
newDeltX = (Stage.width - myClip1._x);
// endY is the y value corresponding with
//newDeltX on a line with our _slope
endY = ( myClip1._y - ( newDeltX*_slope ));
staRtY = ( myClip1._y )+ (myClip1._x*_slope );
//_totalLeft is at the very top of the function and we initialized it to 0
//because we want to start at the total left of the Stage or x =0
//_totalRight we initialized to Stage.width which is the total right of the stage
// both variables are at the very top of the funtion
drawLineInThisClip.moveTo(_totalLeft, staRtY);
drawLineInThisClip.lineTo(_totalRight,endY);
}

_root.onEnterFrame = function(){ perfectLine(_root.point1, _root.point2, 33, 'myline'); };