draft of processing version of WeMakeColors

Processing/WMCP5/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package=""><uses-sdk android:minSdkVersion="15" android:targetSdkVersion="22"/><application android:debuggable="true" android:icon="@drawable/icon" android:label=""><activity android:name=".MainActivity">android:theme="@android:style/Theme.NoTitleBar"&gt;<intent-filter><action android:name="android.intent.action.MAIN"/><category android:name="android.intent.category.LAUNCHER"/></intent-filter></activity></application><uses-permission android:name="android.permission.INTERNET"/></manifest>

Processing/WMCP5/WMCP5.pde

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+
+
+import mqtt.*;
+ int MAX_C=16;
+
+int MSG_SIZE=3;
+byte c[]=new byte[MSG_SIZE];
+
+color newC;
+
+color[] colors = new color[9];
+
+MQTTClient client;
+
+String clientID= "processingColor2";
+String mqttURL="mqtt://net.marcobrianza.it";
+
+void setup() {
+  size(100,900);
+  client = new MQTTClient(this);
+  client.connect(mqttURL, clientID);
+  client.subscribe("/WeMakeColors/color");
+  noStroke();
+}
+
+void draw() {
+}
+
+void mousePressed() {
+ byte r=byte(random(0,MAX_C));
+ byte g=byte(random(0,MAX_C));
+ byte b=byte(random(0,MAX_C)); 
+
+  c[0]=r;
+  c[1]=g;
+  c[2]=b;
+
+  println(r,g,b);
+  client.publish("/WeMakeColors/color", c);
+}
+
+
+void connectionLost() {
+  println("### connection lost ##");
+}
+
+void messageReceived(String topic, byte[] payload) {
+  print("new message: " + topic + " - "+ payload.length+" - ");
+  int r, g, b;
+  if (payload.length==MSG_SIZE){
+  r=payload[0]& 0xff;
+  g=payload[1]& 0xff;
+  b=payload[2]& 0xff;
+
+  println(r, g, b);
+  int R=cal_lut(r);
+  int G=cal_lut(g);
+  int B=cal_lut(b);
+
+  newC=color(R,G,B);
+  newColor(newC);
+  }
+}
+
+void newColor(color c){
+ int i;
+  for(i=8; i>0;i--){
+   colors[i]=colors[i-1];
+ }
+ colors[0]=c;
+
+ for(i=0; i<9;i++){
+   fill(colors[i]);
+ rect(0,i*100,100,100); 
+ }  
+
+}
+
+
+
+int cal_lut(int c){
+  if (c>15) c=15;
+  int[] lut = {0, 11, 14, 17, 21, 27, 34, 42, 53, 66,83, 104, 130, 163, 204, 255};
+  return lut[c];
+}

Processing/WMCP5/code/sketch.properties

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+mode=Java
+mode.id=processing.mode.java.JavaMode