48 lines
1 KiB
Python
48 lines
1 KiB
Python
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import math
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import tkinter
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import time
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SHIFT_SPEED = 0.2
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degree = 359
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r = 0
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g = 0
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b = 0
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def cval(degree, hueshift):
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y = math.sin(math.pi*(degree+hueshift)/180)
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# Anything above 50% becomes 100%
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# 0 - 50% will scale as if it was 50 - 100%
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y = (y+0.5) * 256
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y = min(255, y)
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y = max(0, y)
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y = round(y)
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return y
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def clocking():
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x = time.time()
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x *= SHIFT_SPEED
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r = cval(x, 90)
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g = cval(x, 210)
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b = cval(x, 330)
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rgb = '#%02x%02x%02x' % (r,g,b)
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#print(x, rgb)
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#t.configure(bg=rgb)
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l.configure(text=rgb, bg=rgb)
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t.after(50, clocking)
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t = tkinter.Tk()
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l = tkinter.Label(text='')
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l.pack(expand=True, fill='both')
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w = 450
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h = 350
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screenwidth = t.winfo_screenwidth()
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screenheight = t.winfo_screenheight()
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windowwidth = w
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windowheight = h
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windowx = (screenwidth-windowwidth) / 2
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windowy = ((screenheight-windowheight) / 2) - 27
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geometrystring = '%dx%d+%d+%d' % (windowwidth, windowheight, windowx, windowy)
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t.geometry(geometrystring)
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clocking()
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t.mainloop()
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