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https://github.com/a2-4am/4cade.git
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27 lines
679 B
Python
27 lines
679 B
Python
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#!/usr/bin/env python3
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from math import sqrt, sin, cos, acos, pi
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def f(t, k):
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t = float(t)
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r = k/cos(0.4*acos(sin(2.5*(t+pi/2))))
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return r*cos(t),r*sin(t)
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coords = []
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for k_mul in range(500):
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any = False
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for t_mul in range(int(pi*1000+1)):
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a, b = f(float(t_mul/100), float(k_mul)/10.0)
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x = round(20+a*.6)
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y = round(24+b)
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if x < 0 or x > 39 or y < 0 or y > 47 or (x,y) in coords:
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continue
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coords.append((x,y))
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any = True
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if any:
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coords.append((255,255))
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with open("../../src/fx/fx.hgr.star.data.a", "w") as f:
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for x, y in coords:
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f.write(" !byte %s,%s\n" % (y,x))
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