nl_tokens: Find point on me where line from my center to point p intersects my boundary .
pl_tokens: function ( p , angle ) { p = point ( p ) ; if ( <mask> ) p . rotate ( point ( this . x , this . y ) , angle ) ; var dx = p . x - this . x ; var dy = p . y - this . y ; var result ; if ( dx === 0 ) { result = this . bbox ( ) . pointNearestToPoint ( p ) ; if ( angle ) return result . rotate ( point ( this . x , this . y ) , - angle ) ; return result ; } var m = dy / dx ; var mSquared = m * m ; var aSquared = this . a * this . a ; var bSquared = this . b * this . b ; var x = sqrt ( 1 / ( ( 1 / aSquared ) + ( mSquared / bSquared ) ) ) ; x = dx < 0 ? - x : x ; var y = m * x ; result = point ( this . x + x , this . y + y ) ; if ( angle ) return result . rotate ( point ( this . x , this . y ) , - angle ) ; return result ; }