Initial data commit

Task/Morse-code/Wren/morse-code-1.wren

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+import "/str" for Str
+import "/sound" for Wav
+
+var charToMorse = {
+    "!": "---.",   "\"": ".-..-.",  "$": "...-..-",  "'": ".----.",
+    "(": "-.--.",  ")": "-.--.-",   "+": ".-.-.",    ",": "--..--",
+    "-": "-....-", ".": ".-.-.-",   "/": "-..-.",
+    "0": "-----",  "1": ".----",    "2": "..---",    "3": "...--",
+    "4": "....-",  "5": ".....",    "6": "-....",    "7": "--...",
+    "8": "---..",  "9": "----.",
+    ":": "---...",  ";": "-.-.-.",  "=": "-...-",    "?": "..--..",
+    "@": ".--.-.",
+    "A": ".-",      "B": "-...",     "C": "-.-.",    "D": "-..",
+    "E": ".",       "F": "..-.",     "G": "--.",     "H": "....",
+    "I": "..",      "J": ".---",     "K": "-.-",     "L": ".-..",
+    "M": "--",      "N": "-.",       "O": "---",     "P": ".--.",
+    "Q": "--.-",    "R": ".-.",      "S": "...",     "T": "-",
+    "U": "..-",     "V": "...-",     "W": ".--",     "X": "-..-",
+    "Y": "-.--",    "Z": "--..",
+    "[": "-.--.",   "]": "-.--.-",   "_": "..--.-"
+}
+
+var textToMorse = Fn.new { |text|
+    text = Str.upper(text)
+    var morse = ""
+    for (c in text) {
+        if (c == " ") {
+            morse = morse + (" " * 7)
+        } else {
+            var m = charToMorse[c]
+            if (m) morse = morse + m.join(" ") + "   "
+        }
+    }
+    return morse.trimEnd()
+}
+
+var morse = textToMorse.call("Hello world!")
+System.print(morse) // print to terminal
+
+// now create a .wav file
+morse = morse.replace("-", "...") // replace 'dash' with 3 'dot's
+var data = []
+var sampleRate = 44100
+var samples = 0.2 * sampleRate // number of samples assuming 'dot' takes 200 ms.
+var freq = 500 // say
+var omega = 2 * Num.pi * freq
+for (c in morse) {
+    if (c == ".") {
+        for (s in 0...samples) {
+            var value = (32 * (omega * s / sampleRate).sin).round & 255
+            data.add(value)
+        }
+    } else {
+        for (s in 0...samples) data.add(0)
+    }
+}
+Wav.create("morse_code.wav", data, sampleRate)

Task/Morse-code/Wren/morse-code-2.wren

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+import "audio" for AudioEngine
+
+class Main {
+    construct new() {}
+
+    init() {
+        AudioEngine.load("morse", "morse_code.wav")
+        AudioEngine.play("morse")
+    }
+
+    update() {}
+
+    draw(alpha) {}
+}
+
+var Game = Main.new()