nl_tokens: Return the Y coordinate on the longerLink path * which is perpendicular shorterLink s source . * approx based on a straight line from target to source when in fact the path is a bezier
pl_tokens: function linkPerpendicularYToLinkTarget ( longerLink , shorterLink ) { // get the angle for the longer link var angle = linkAngle ( longerLink ) ; // get the adjacent length to the other link's x position var heightFromY1ToPependicular = linkXLength ( shorterLink ) / Math . tan ( <mask> ) ; // add or subtract from longer link's original y1, depending on the slope var yPerpendicular = incline ( longerLink ) == 'up' ? longerLink . y1 - heightFromY1ToPependicular : longerLink . y1 + heightFromY1ToPependicular ; return yPerpendicular ; }