44 lines
928 B
Python
44 lines
928 B
Python
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import math
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WAVETABLE_FILE_NAME = "sharkFin"
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def sine(phase):
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return math.sin(phase)
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def square(phase):
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sample = 1.0
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if(phase <= math.pi):
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sample = -1
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return sample
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def saw(phase):
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return (phase / math.pi) - 1.0
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def triangle(phase):
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sample = 0.0
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if(phase <= math.pi/2.0):
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sample = phase * 2.0/math.pi
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elif(phase <= 3.0*math.pi/2.0):
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sample = phase * (-2.0/math.pi) + 2.0
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else:
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sample = phase * 2.0/math.pi - 4.0
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return sample
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def sharkFin(phase):
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k = 10.0
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if(phase <= math.pi):
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sample = 2 * (phase/math.pi) ** k - 1.0
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else:
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sample = -2 * (phase/math.pi - 1.0) ** k + 1.0
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return sample
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def sphere(phase):
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return 1
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# process get called by generate_wavetable.py
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# it calculates a single sample at a specified phase
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# normalization is handled by generate_wavetable.py
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def process(phase):
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return sharkFin(phase)
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