position is time seeded

eh18-image.py

@@ -21,60 +21,81 @@ s.connect((TCP_IP, TCP_PORT))
 c = '000000'
 
 im = Image.open("ctdo.png")
-rgb_im = im.convert('RGB')
+rgb_im = im.convert('RGBA')
 
-commandsarray=[]
+
+
+
+def randomnumber(pseed,pmin,pmax,v1,v2,v3):
+    return (pseed*v1+pseed^2*v2+pseed^3*v3)%(pmax-pmin)+pmin
+
+
+newseed=(int)(time.time()/60)
+seed=newseed
 
 if __name__ == '__main__':
-    starttime=time.time()
-    #xv=random.randint(0,flutwidth)
-    #yv=random.randint(0,flutheight)
-    xv=300
-    yv=flutheight-height-100
-    _current_command=""
-
-    pixelcoords=[]
-    for _x in range(width):
-        for _y in range(height):
-            pixelcoords+=[(_x,_y)]
-
-    shuffle(pixelcoords)
-
-
-
-
-    for i,j in pixelcoords:
-        r, g, b = rgb_im.getpixel((i, j))
-        #if r>127:
-        #    continue #skip bright pixels
-        #r=255-r
-
-        #_current_command+='PX %d %d %02x%02x%02x\n' % (i+xv,j+yv,r,g,b) #rgb
-        _current_command+='PX %d %d %02x\n' % (i+xv,j+yv,r) #monochrome only red channel
-        if len(_current_command)>=1400:
-            commandsarray+=[_current_command.encode()] #append packet
-            _current_command=""
-
-    commandsarray+=[_current_command.encode()] #append last packet
-
-    print("Generated Commands in "+str(time.time()-starttime)+" seconds")
-
 
     while True:
-        try:
-            starttime=time.time()
-            for command in commandsarray:
+        starttime=time.time()
+        commandsarray=[]
+        seed=newseed
+        print("Seed: "+str(seed))
+        #xv=random.randint(0,flutwidth)
+        #yv=random.randint(0,flutheight)
 
-                    s.send(command)
+        #xv=random.randint(width/2,flutwidth-width/2)
+        #yv=random.randint(height/2,flutheight-height/2)
+        xv=randomnumber(seed,width/2,flutwidth-width/2, 1234,-242,4)
+        yv=randomnumber(seed,height/2,flutheight-height/2, 1423,-122,3)
+        print("xv="+str(xv)+ "yv="+str(yv))
+        _current_command=""
+
+        pixelcoords=[]
+        for _x in range(width):
+            for _y in range(height):
+                pixelcoords+=[(_x,_y)]
+
+        shuffle(pixelcoords)
 
 
-            print("Send Image in "+str(time.time()-starttime)+" seconds")
-        except BrokenPipeError:
-            print("BrokenPipeError. Reconnecting")
-            s.close()
-            s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-            s.connect((TCP_IP, TCP_PORT)) #reconnect
-            print("reconnected")
+
+
+        for i,j in pixelcoords:
+            r, g, b,a = rgb_im.getpixel((i, j))
+            if a!=255:
+                continue
+            #if r>127:
+            #    continue #skip bright pixels
+            #r=255-r
+
+            #_current_command+='PX %d %d %02x%02x%02x\n' % (i+xv,j+yv,r,g,b) #rgb
+            _current_command+='PX %d %d %02x\n' % (i+xv-width/2,j+yv-height/2,r) #monochrome only red channel
+            if len(_current_command)>=1400:
+                commandsarray+=[_current_command.encode()] #append packet
+                _current_command=""
+
+        commandsarray+=[_current_command.encode()] #append last packet
+
+        print("Generated Commands in "+str(time.time()-starttime)+" seconds")
+
+
+        while seed==newseed:
+            try:
+                starttime=time.time()
+                for command in commandsarray:
+
+                        s.send(command)
+
+
+                print("Send Image in "+str(time.time()-starttime)+" seconds")
+            except BrokenPipeError:
+                print("BrokenPipeError. Reconnecting")
+                s.close()
+                s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+                s.connect((TCP_IP, TCP_PORT)) #reconnect
+                print("reconnected")
+
+            newseed=(int)(time.time()/60)
 
 
 exit()