blitting functions

1 files changed, 6 insertions, 3 deletions

diff --git a/js/lex.js b/js/lex.js
index 1dc07a0..62144b6 100644
--- a/js/lex.js
+++ b/js/lex.js
@@ -10,12 +10,14 @@ function Lex (x,y) {
 	this.fg = colors.white
 	this.bg = colors.black
 	this.char = " "
+	this.opacity = 1
 }
 Lex.prototype.build = function(){
 	this.span.className = this.css()
 	this.span.innerHTML = this.html()
 }
 Lex.prototype.css = function(){
+	if (this.opacity == 0) return "fabb"
 	return "f" + letters[mod(this.fg,16)] + "b" + letters[mod(this.bg,16)]
 }
 Lex.prototype.html = function(){
@@ -52,16 +54,17 @@ Lex.prototype.clone = function (lex){
 	this.fg = lex.fg
 	this.bg = lex.bg
 	this.char = lex.char
+	this.opacity = lex.opacity
 	this.build()
 }
-Lex.prototype.erase = function (lex){
-	if (lex.opacity == 0) return
+Lex.prototype.erase = function (){
 	this.fg = colors.white
 	this.bg = colors.black
 	this.char = " "
+	this.opacity = 0
 	this.build()
 }
-Lex.prototype.fill = function(fg,bg){
+Lex.prototype.fill = function(fg, bg){
 	this.fg = fg
 	this.bg = bg
 	this.opacity = 1