mirror of
https://github.com/danbulant/ambientlightdemo
synced 2026-05-19 04:18:32 +00:00
42 lines
No EOL
1.4 KiB
Python
42 lines
No EOL
1.4 KiB
Python
colors = ["d062ff", "00b097", "50cc00", "8dcaff", "d062ff"]
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colors_rgb = [tuple(int(colors[i][j:j+2], 16) for j in (0, 2, 4)) for i in range(len(colors))]
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color_offsets = [0, .25, .5, .75, 1]
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FULL_DARK_ROTATION_DELTA = .1
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PATTERN_REPETITION = 5
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LIGHT_SLOWDOWN_SPEED = 1
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def clamp(value, min_value, max_value):
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return max(min_value, min(value, max_value))
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def wrap(value, min_value, max_value):
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range_size = max_value - min_value
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while value < min_value:
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value += range_size
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while value >= max_value:
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value -= range_size
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return value
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def lerp(a, b, t):
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return a + (b - a) * t
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def pingpong(value, max):
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value = wrap(value, 0, max * 2)
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if value > max:
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value = max * 2 - value
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return value
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def sample_color_gradient(t):
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t = wrap(t, 0, 1)
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for i in range(len(color_offsets) - 1):
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if t >= color_offsets[i] and t <= color_offsets[i + 1]:
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local_t = (t - color_offsets[i]) / (color_offsets[i + 1] - color_offsets[i])
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color_a = colors_rgb[i]
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color_b = colors_rgb[i + 1]
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return tuple(int(lerp(color_a[j], color_b[j], local_t)) for j in range(3))
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return colors_rgb[-1]
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def shortest_diff(old, new):
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diff = old - new
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wrapped_diff = (new + 1) - old
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if abs(wrapped_diff) < abs(diff):
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diff = -wrapped_diff
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wrapped_diff = (old + 1) - new
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if abs(wrapped_diff) < abs(diff):
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diff = wrapped_diff
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return diff |