Added another rainbow animation which shifts columns

animations/rainbowshift.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+from acabsl import send
+from acabsl import update
+import acabsl
+
+import colorsys
+import random
+import time
+
+tick = 0.1
+
+def setcol(cols, time):
+    for x in range(0,acabsl.WALLSIZEX):
+        r,g,b = colorsys.hsv_to_rgb(cols[x], 1., 1.)
+        for y in range(0,acabsl.WALLSIZEY):
+            send(x,y,r*255,g*255,b*255,time);
+    update()
+
+def shift(l,n):
+    return l[n:] + l[:n]
+
+h = 0
+cols = []
+for i in range(0,acabsl.WALLSIZEX):
+    cols.append(0)
+update()
+while 1:
+    h += random.gauss(0.02,0.05)
+    h = h % 1.
+
+    cols = shift(cols,-1)
+    cols[0] = h 
+
+    setcol(cols, tick*3)
+
+    time.sleep(tick)
+
+