Added license + new "music" script

Added license information in the README.
The music.py file is just here for TODO purpose, it is not working yet.

README.md

@@ -35,3 +35,16 @@ This script represents the position of your hand in the RGB space. You can then
 * Same as colors.py but representing it with a 3D view.
 * Then, use the previous code as a control interface for your computer, just like Minority Report :)
 * Other ideas ? It's up to you :)
+
+## Note about the license
+# ============================================================================
+# All the scripts in this repository are released under a very permissive 
+# license. To make a long story short : do whatever you want with these 
+# scripts (but try to have fun :), I don't mind. It would be cool to quote
+# the origin of the script if you reuse it, but you don't have to. I'd like to
+# be noticed of what you did cool with it (if you think it's worth). :)
+# Ah, I almost forgot : If by chance we ever meet and you think this script is
+# worth, you can buy me a soda :)
+#
+#                                                                   Phyks
+# =============================================================================  

color.py

@@ -1,5 +1,20 @@
 #!/bin/env python
 
+# ============================================================================
+# This script maps the 3D position of your hand, as detected by the electrodes
+# in the RGB space, allowing you to pick a color for real.
+
+# As all the other scripts in this repository, I release it under a very
+# permissive license. To make a long story short : do whatever you want with
+# this script (but try to have fun :), I don't mind. It would be cool to quote
+# the origin of the script if you reuse it, but you don't have to. I'd like to
+# be noticed of what you did cool with it (if you think it's worth). :)
+# Ah, I almost forgot : If by chance we ever meet and you think this script is
+# worth, you can buy me a soda :)
+#
+#                                                                   Phyks
+# =============================================================================
+
 import serial
 import pygame
 import sys
@@ -34,7 +49,8 @@ try:
         if opt == "-h" or opt == "-help":
             print("Touchless 3D tracking with color mapping")
             print("\nUsage : "+sys.argv[0]+" [OPTIONS]")
-            print("\nTrack the position of your hand in 3D and map it in RGB space")
+            print("\nTrack the position of your hand in 3D and map it " +
+                  "in RGB space")
             print("\nOptions :")
             print("\t-h (--help) \t display this help message")
             print("\t-s (--serial) \t change serial port (default is " +

music.py

@@ -0,0 +1,104 @@
+#!/bin/env python
+
+# NOTE : This script is *not* working yet...
+
+# ============================================================================
+# I had to play "Petit papa Noël" in an original way for some events. So, why
+# not using these cool electrodes to handle it ? Left hand would control the
+# volume and right hand, the note which is played.
+#
+# Disclaimer : Even with a lot of practice, I'm not sure you will be able to
+# play a nice with this script :)
+#
+# As all the other scripts in this repository, I release it under a very
+# permissive license. To make a long story short : do whatever you want with
+# this script (but try to have fun :), I don't mind. It would be cool to quote
+# the origin of the script if you reuse it, but you don't have to. I'd like to
+# be noticed of what you did cool with it (if you think it's worth). :)
+# Ah, I almost forgot : If by chance we ever meet and you think this script is
+# worth, you can buy me a soda :)
+#
+#                                                                   Phyks
+# =============================================================================
+
+import serial
+import pygame
+import sys
+import getopt
+
+
+serial_port = "/dev/ttyACM0"
+
+try:
+    opts, args = getopt.getopt(sys.argv[1:], "hs:", ["help", "serial="])
+
+    for opt, arg in opts:
+        if opt == "-h" or opt == "-help":
+            print("Touchless 3D tracking with color mapping")
+            print("\nUsage : "+sys.argv[0]+" [OPTIONS]")
+            print("\nTrack the position of your hand in 3D and map it " +
+                  "in RGB space")
+            print("\nOptions :")
+            print("\t-h (--help) \t display this help message")
+            print("\t-s (--serial) \t change serial port (default is " +
+                  "/dev/tty/ACM0")
+            sys.exit(0)
+        elif opt in ("-s", "--serial"):
+            serial_port = arg
+except getopt.GetoptError:
+    pass
+
+ser = serial.Serial(serial_port, 115200)
+
+try:
+    ser.open()
+except Exception as e:
+    print("Error while opening serial port : "+str(e))
+
+if ser.isOpen():
+    try:
+        ser.flushInput()
+        ser.flushOutput()
+
+        print("Calibration :")
+        print("Press any key to launch the program when calibration is " +
+              "finished.")
+        running = True
+        while running:
+            for event in pygame.event.get():
+                if event.type == pygame.KEYDOWN:
+                    running = False
+                    continue
+
+            line = ser.readline()
+            line = line.decode().strip("\r\n")
+            line = line.split(" ")
+            line = [int(j or 0) for j in line]
+
+            for i in range(3):
+                if line[i] < minimum[i] or minimum[i] < 0:
+                    minimum[i] = line[i]
+                if line[i] > maximum[i]:
+                    maximum[i] = line[i]
+
+            print(line)
+
+        print("Running...")
+        running = True
+        while running:
+            # Read line from serial
+            line = ser.readline()
+            line = line.decode().strip("\r\n")
+            line = line.split(" ")
+            line = [int(j or 0) for j in line]
+
+            # Compute the value for red
+            value[1] = value[0]
+            value[0] = compute_value(line, minimum, maximum)
+            value_bg = [(value[0][i] + value[1][i])/2 for i in range(3)]
+            value_text = [255 - i for i in compute_value(line, minimum,
+                                                         maximum)]
+
+        ser.close()
+    except Exception as e:
+        print("Error while fetching data from serial : "+str(e))