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This commit is contained in:
Mark Mine 2001-05-15 23:28:59 +00:00
parent bec411d2c3
commit c201407306
1 changed files with 4 additions and 18 deletions
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22
direct/src/interval/LerpInterval.py
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@ -281,28 +281,14 @@ class LerpFunctionInterval(Interval):
"""
# Note, this is temporary until blend functions get exposed
import LerpBlendHelpers
def easeIn(t):
x = t*t
return ((3 * x) - (t * x)) * 0.5
def easeOut(t):
return ((3 * t) - (t * t * t)) * 0.5
def easeInOut(t):
x = t*t
return (3 * x) - (2 * t * x)
def noBlend(t):
return t
if (blendType == "easeIn"):
#return LerpBlendHelpers.LerpBlendHelpers.easeIn
return easeIn
return LerpBlendHelpers.LerpBlendHelpers.easeIn
elif (blendType == "easeOut"):
#return LerpBlendHelpers.LerpBlendHelpers.easeOut
return easeOut
return LerpBlendHelpers.LerpBlendHelpers.easeOut
elif (blendType == "easeInOut"):
#return LerpBlendHelpers.LerpBlendHelpers.easeInOut
return easeInOut
return LerpBlendHelpers.LerpBlendHelpers.easeInOut
elif (blendType == "noBlend"):
#return LerpBlendHelpers.LerpBlendHelpers.noBlend
return noBlend
return LerpBlendHelpers.LerpBlendHelpers.noBlend
else:
raise Exception(
'Error: LerpInterval.__getBlend: Unknown blend type')