toggle grid

1 files changed, 19 insertions, 0 deletions

diff --git a/js/draw.js b/js/draw.js
new file mode 100644
index 0000000..cb7f816
--- /dev/null
+++ b/js/draw.js
@@ -0,0 +1,19 @@
+function draw (lex, x, y, erasing) {
+	stamp (canvas, brush, x, y, erasing)
+}
+function stamp (canvas, brush, x, y, erasing) {
+	hh = brush.w/2|0
+	brush.forEach(function(lex, s, t){
+		s += x-hh
+		t += y-hh
+		if (s >= 0 && s < canvas.w && t >= 0 && t < canvas.h) {
+		  if (erasing) {
+        canvas.aa[t][s].erase(lex)
+		  }
+		  else {
+        canvas.aa[t][s].clone(lex)
+		  }
+		}
+	})
+}
+