69 lines
1.4 KiB
Python
Executable File
69 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python3
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import numpy as np
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import os
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import sys
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import time
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import colorsys
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Nx = int(sys.argv[1])
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Ny = int(sys.argv[2])
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iterations = 2
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class Slider:
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def __init__(self, lo, hi, step, pos=0):
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self.lo = lo
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self.hi = hi
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self.stepSize = step
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self.pos = pos
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self.dir = 1
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def step(self):
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if self.pos >= self.hi:
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self.dir = -1
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elif self.pos <= self.lo:
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self.dir = 1
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self.pos += self.dir * self.stepSize
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return self.pos
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x, y = np.meshgrid(
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np.linspace(-2, 2, Nx),
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np.linspace(-2, 2, Ny))
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img = np.zeros( [Ny, Nx, 3] )
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Sa = Slider(-3, 3, 0.01, np.random.uniform(-1, 1))
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Sb = Slider(-3, 3, 0.01, np.random.uniform(-1, 1))
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Sc = Slider(0, 1, 0.005, np.random.uniform(-1, 1))
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Scolor = Slider(0, 1, 0.001/iterations, 0)
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step = 0
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while True:
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a = Sa.step()
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b = Sb.step()
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c = Sc.step()
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Sa.pos += b*0.001
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Sb.pos += c*0.001
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Sc.pos += a*0.001
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curve = np.clip(c+np.sin(a*x*x-b*y*y)-np.sin(a*x+b*y)-np.cos(a*b*x*y), 0, 1)
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cr, cg, cb = colorsys.hsv_to_rgb(Scolor.step(), 1, 1)
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img[:,:,0] = curve*cr*255
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img[:,:,1] = curve*cg*255
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img[:,:,2] = curve*cb*255
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step += 1
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if step % iterations == 0:
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out = img.reshape((Nx*Ny*3,)).astype(np.uint8)
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os.write(1, out.tobytes())
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time.sleep(0.01)
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