var brush = (function(){
	var brush = new Matrix (5, 5, function(x,y){
		var lex = new Lex (x,y)
		lex.build()
		return lex
	})
	
	brush.bind = function(){
		brush.forEach(function(lex, x, y){
  		if (lex.bound) return
  		lex.bound = true

			lex.span.addEventListener('mousedown', function(e){
				e.preventDefault()
				dragging = true
	// 			lex.fill(lex.fg, lex.bg)
			})

		})
	}
	
	brush.fg = 0
	brush.bg = 1
	
	return brush

})()