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add constrainedLoop

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This commit is contained in:
David Rose 2003-12-13 22:14:28 +00:00
parent af291e2ba8
commit 37f484dd48
1 changed files with 15 additions and 6 deletions
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21
direct/src/interval/ActorInterval.py
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@ -30,9 +30,13 @@ class ActorInterval(Interval.Interval):
# Note: if loop == 0 and duration > anim duration then the # Note: if loop == 0 and duration > anim duration then the
# animation will play once and then hold its final pose for the # animation will play once and then hold its final pose for the
# remainder of the interval. # remainder of the interval.
# loop = 1 implies a loop within the entire range of animation,
# while constrainedLoop = 1 implies a loop within startFrame and
# endFrame only.
def __init__(self, actor, animName, loop=0, duration=None, def __init__(self, actor, animName, loop=0, constrainedLoop=0,
startTime=None, endTime=None, duration=None, startTime=None, endTime=None,
startFrame=None, endFrame=None, startFrame=None, endFrame=None,
playRate=1.0, name=None, forceUpdate=0, playRate=1.0, name=None, forceUpdate=0,
partName=None, lodName=None): partName=None, lodName=None):
@ -47,6 +51,7 @@ class ActorInterval(Interval.Interval):
self.controls = self.actor.getAnimControls( self.controls = self.actor.getAnimControls(
self.animName, partName = partName, lodName = lodName) self.animName, partName = partName, lodName = lodName)
self.loopAnim = loop self.loopAnim = loop
self.constrainedLoop = constrainedLoop
self.forceUpdate = forceUpdate self.forceUpdate = forceUpdate
# If no name specified, use id as name # If no name specified, use id as name
@ -101,22 +106,26 @@ class ActorInterval(Interval.Interval):
self.endFrame = self.startFrame self.endFrame = self.startFrame
self.startFrame = t self.startFrame = t
numFrames = self.endFrame - self.startFrame + 1 self.numFrames = self.endFrame - self.startFrame + 1
# Compute duration if no duration specified # Compute duration if no duration specified
self.implicitDuration = 0 self.implicitDuration = 0
if duration == None: if duration == None:
self.implicitDuration = 1 self.implicitDuration = 1
duration = float(numFrames) / self.frameRate duration = float(self.numFrames) / self.frameRate
# Initialize superclass # Initialize superclass
Interval.Interval.__init__(self, name, duration) Interval.Interval.__init__(self, name, duration)
def privStep(self, t): def privStep(self, t):
frameCount = t * self.frameRate
if self.constrainedLoop:
frameCount = frameCount % self.numFrames
if self.reverse: if self.reverse:
absFrame = self.endFrame - t * self.frameRate absFrame = self.endFrame - frameCount
else: else:
absFrame = self.startFrame + t * self.frameRate absFrame = self.startFrame + frameCount
# Calc integer frame number # Calc integer frame number
absFrame = int(math.floor(absFrame + 0.0001)) absFrame = int(math.floor(absFrame + 0.0001))