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# Unicorn Sunrise

sweenig Jun 11th, 2015 1,682 Never
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1. #!/usr/bin/env python
2. import unicornhat as UH
3. import time
4. midnight = [25, 25, 112] #possible future color during night time
5. targetcolor = [253, 94, 83] #this is the color of the sunrise. I picked one. Modify as needed [R,G,B]
6. duration = 6400 #this is the total amount of time that the sun should take to rise, there are 64 LEDs and they each cycle through from 1 to 100, so 6400 gets you 1 second per LED. If you want a faster sunrise, lower this number
7. dayduration = 900 #this is the total amount of time that the sun should stay risen (900s = 15min)
8. def drawsun(brightness): #function to draw all 64 pixels at a specified percentage of the final color.
9.         red = targetcolor[0] * brightness / 100 #calculate the R value for the given progress between 0 and the target R value.
10.         green = targetcolor[1] * brightness / 100 #calculate the G value for the given progress between 0 and the target G value.
11.         blue = int(targetcolor[2] * brightness / 100) #calculate the B value for the given progress between 0 and the target B value.
12.         for y in range(8): #cycle through every row
13.                 for x in range(8): #cycle through every column
14.                         UH.set_pixel(x,y,red,green,blue) #set the pixel
15.                         UH.show() #make it draw
16.                         time.sleep(duration/6400) #wait before moving on
17. try:
18.         print "Sun rising..."
19.         for a in range(1,101): #cycle through the brightness levels from 1 to 100
20.                 drawsun(a)
21.         print "Sun up."
22.         time.sleep(dayduration) #let the sun shine in!
23.         print "Sun setting..."
24.         for b in range(99,-1,-1): #cycle through the brightness levels back down to 0
25.                 drawsun(b)
26. except:
27.         print("terminated manually")
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