nl_tokens: Instantiates a Mat44 object .
pl_tokens: function Mat44 ( that ) { that = that || [ 1 , 0 , 0 , 0 , 0 , 1 , 0 , 0 , 0 , 0 , 1 , 0 , 0 , 0 , 0 , 1 ] ; if ( that instanceof Array ) { this . data = that ; } else { this . data = new <mask> ( 16 ) ; this . data [ 0 ] = that . data [ 0 ] ; this . data [ 1 ] = that . data [ 1 ] ; this . data [ 2 ] = that . data [ 2 ] ; this . data [ 3 ] = that . data [ 3 ] ; this . data [ 4 ] = that . data [ 4 ] ; this . data [ 5 ] = that . data [ 5 ] ; this . data [ 6 ] = that . data [ 6 ] ; this . data [ 7 ] = that . data [ 7 ] ; this . data [ 8 ] = that . data [ 8 ] ; this . data [ 9 ] = that . data [ 9 ] ; this . data [ 10 ] = that . data [ 10 ] ; this . data [ 11 ] = that . data [ 11 ] ; this . data [ 12 ] = that . data [ 12 ] ; this . data [ 13 ] = that . data [ 13 ] ; this . data [ 14 ] = that . data [ 14 ] ; this . data [ 15 ] = that . data [ 15 ] ; } }