84 lines
1.6 KiB
Python
84 lines
1.6 KiB
Python
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import math
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def OUT_CIRC (t, b, c, d):
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t=float(t)
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b=float(b)
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c=float(c)
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d=float(d)
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t = t/d -1
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return c * math.sqrt(1 - t*t) + b;
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def OUT_QUART(t, b, c, d):
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t=float(t)
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b=float(b)
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c=float(c)
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d=float(d)
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t = t/d -1
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return -c * ((t)*t*t*t - 1) + b;
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def INOUT_CIRC(t, b, c, d):
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t=float(t)
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b=float(b)
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c=float(c)
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d=float(d)
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t1 = t / (d / 2)
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if ((t / (d/2)) < 1):
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return -c/2 * (math.sqrt(1 - (t/(d/2))**2) - 1) + b
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return c/2 * (math.sqrt(1 - (t1-2)**2) + 1) + b;
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def IN_CUBIC (t, b, c, d):
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t=float(t)
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b=float(b)
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c=float(c)
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d=float(d)
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t = t/d
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return c*t*t*t + b
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def OUT_QUAD (t, b, c, d):
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t=float(t)
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b=float(b)
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c=float(c)
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d=float(d)
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t/=d
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return -c *(t)*(t-2) + b
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def OUT_BOUNCE (t, b, c, d):
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t=float(t)
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b=float(b)
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c=float(c)
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d=float(d)
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t/=d
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if ((t) < (1/2.75)):
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return c*(7.5625*t*t) + b
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else:
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if (t < (2/2.75)):
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t-=(1.5/2.75)
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return c*(7.5625*t*t + .75) + b
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else:
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if (t < (2.5/2.75)):
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t-=(2.25/2.75)
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return c*(7.5625*(t)*t + .9375) + b
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else:
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t-=(2.625/2.75)
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return c*(7.5625*(t)*t + .984375) + b
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def INOUT_EXP(t, b, c, d):
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t=float(t)
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b=float(b)
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c=float(c)
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d=float(d)
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t1 = t / (d/2)
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if t==0:
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return b
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if t==d:
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return b+c
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if (t1) < 1:
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return c/2 * math.pow(2, 10 * (t1 - 1)) + b - c * 0.0005
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return c/2 * 1.0005 * (-math.pow(2, -10 * (t1-1)) + 2) + b
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