Added Web Audio Demo.

halian-vilela · Aug 13, 2011 · 7b4a525 · 7b4a525
1 parent 1e5194d
commit 7b4a525
Show file tree

Hide file tree

Showing 4 changed files with 87 additions and 9 deletions.
diff --git a/go/slices.go b/go/slices.go
@@ -0,0 +1,18 @@
+package main
+
+import ("fmt")
+
+func sum(arr []int) int {
+  total := 0
+
+  for i := 0; i < len(arr); i++ {
+    total += arr[i]
+  }
+
+  return total
+}
+
+func main() {
+  total := sum([]int{105, 4, 3, 2, 1})
+  fmt.Printf("Total = %d\n", total);
+}
diff --git a/go/wscript b/go/wscript
@@ -8,15 +8,32 @@ def configure(ctx):
   ctx.env.GOC = "6g"
   ctx.env.GOL = "6l"
 
-def go(ctx, source, target):
-  go_compile = "${GOC} -o ${TGT} ${SRC}"
-  go_link = "${GOL} -o ${TGT} ${SRC}"
+def build(ctx):
+  sources = ["echo.go", "hello.go", "slices.go"]
 
-  object_file = target + ".6"
+  for file in sources:
+    # Files with ".go" extensions are automatically compiled and linked
+    ctx(source=file)
 
-  ctx(rule=go_compile, source=source, target=object_file)
-  ctx(rule=go_link, source=object_file, target=target)
+    # Remove .bin extension from file
+    binary = file.replace(".go", "")
+    ctx(rule="mv ${SRC} ${TGT}", source=(binary + ".bin"), target=binary)
 
-def build(ctx):
-  go(ctx, "hello.go", "hello")
-  go(ctx, "echo.go", "echo")
+"""
+Code to automatically compile and link files with ".go" as their extension.
+"""
+
+from waflib import TaskGen
+
+TaskGen.declare_chain(
+  name = "goc",
+  rule = "${GOC} -o ${TGT} ${SRC}",
+  ext_in = ".go",
+  ext_out = ".6")
+
+TaskGen.declare_chain(
+  name = "gol",
+  rule = "${GOL} -o ${TGT} ${SRC}",
+  ext_in = ".6",
+  ext_out = ".bin",
+  reentrant = False)
diff --git a/www/audio.html b/www/audio.html
@@ -0,0 +1,43 @@
+<html>
+<head>
+  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js">
+  </script>
+
+  <script>
+    var context = new webkitAudioContext();
+    var snare = new ArrayBuffer();
+
+function playAudio() {
+  var source = context.createBufferSource();
+  source.buffer = buffer;
+  source.connect(context.destination);
+  source.noteOn(0);
+
+  $("#clickme").text("Thanks!");
+}
+
+function loadAudio() {
+  $.ajax({
+    url: "audio/snare.wav",
+    success: function(data) {
+      snare = context.createBuffer(data, true);
+      $("#clickme").text("Click Me!");
+      $("#clickme").click(playAudio);
+    },
+    dataType: "arraybuffer"
+  });
+  return snare;
+};
+
+
+$(function() { loadAudio() });
+
+</script>
+</head>
+
+<body>
+  <h1>Boo</h1>
+
+  <a href="#" id="clickme">Loading...</a>
+</body>
+</html>
diff --git a/www/audio/snare.wav b/www/audio/snare.wav