mirror of https://github.com/a2-4am/4cade.git
36 lines
951 B
Python
Executable File
36 lines
951 B
Python
Executable File
#!/usr/bin/env python3
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from math import sqrt, sin, cos, acos, pi
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import util
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max_x = 280//2
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max_y = 192//2
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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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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(max_x//2+a*1.2)
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y = round(max_y//2+b)
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if y % 2 != 0:
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continue
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if x < 0 or x >= max_x or y < 0 or y >= max_y:
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continue
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coords.append((x,y))
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unique_coords = util.unique(coords)
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unique_vals = util.vals_1bit(unique_coords)
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util.write("../../../src/fx/fx.hgr.slow.star.data.a", unique_vals)
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unique_vals.reverse()
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util.write("../../../src/fx/fx.hgr.slow.star.in.data.a", unique_vals)
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mult_coords = util.ripple(util.radial_multiply(unique_coords))
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util.write("../../../src/fx/fx.hgr.full.of.stars.data.a", util.vals_1bit(mult_coords))
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