gregtatum

/*
 * Different ways to save state or configure a function
 *
 */

//-------------------------------------------------
// Typical prototypical inheritance

var Talker = function( phrase ) {
	this.phrase = phrase;

timyates

findPerpendicularDistance = ( point, line ) ->
  [pointX,pointY] = point[0..1]
  lineStart = x: line[0][0], y: line[0][1]
  lineEnd   = x: line[1][0], y: line[1][1]
  slope = ( lineEnd.y - lineStart.y ) / ( lineEnd.x - lineStart.x )
  intercept = lineStart.y - ( slope * lineStart.x )
  Math.abs( slope * pointX - pointY + intercept ) / Math.sqrt( Math.pow( slope, 2) + 1)

douglasPeucker = ( points, epsilon ) ->
  maxIndex = maxDistance = 0

rhyolight

    function findPerpendicularDistance(point, line) {
        var pointX = point[0],
            pointY = point[1],
            lineStart = {
                x: line[0][0],
                y: line[0][1]
            },
            lineEnd = {
                x: line[1][0],
                y: line[1][1]