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fix bitrot, add Mopath.draw()

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This commit is contained in:
David Rose 2011-09-13 22:28:18 +00:00
parent e0323969a5
commit 7d7edee889
1 changed files with 24 additions and 9 deletions
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33
direct/src/directutil/Mopath.py
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@ -1,7 +1,7 @@
from direct.showbase.DirectObject import DirectObject from direct.showbase.DirectObject import DirectObject
from direct.directtools.DirectGeometry import * from direct.directtools.DirectGeometry import *
from pandac.PandaModules import NodePath from panda3d.core import NodePath, LineSegs
class Mopath(DirectObject): class Mopath(DirectObject):
@ -144,19 +144,34 @@ class Mopath(DirectObject):
def stop(self): def stop(self):
taskMgr.remove(self.name + '-play') taskMgr.remove(self.name + '-play')
def __playTask(self, state): def __playTask(self, task):
time = globalClock.getFrameTime() time = globalClock.getFrameTime()
dTime = time - state.lastTime dTime = time - task.lastTime
state.lastTime = time task.lastTime = time
if (self.loop): if (self.loop):
cTime = (state.currentTime + dTime) % self.getMaxT() cTime = (task.currentTime + dTime) % self.getMaxT()
else: else:
cTime = state.currentTime + dTime cTime = task.currentTime + dTime
if ((self.loop == 0) and (cTime > self.getMaxT())): if ((self.loop == 0) and (cTime > self.getMaxT())):
self.stop() self.stop()
messenger.send(self.name + '-done') messenger.send(self.name + '-done')
self.node = None self.node = None
return Task.done return task.done
self.goTo(self.node, cTime) self.goTo(self.node, cTime)
state.currentTime = cTime task.currentTime = cTime
return Task.cont return task.cont
def draw(self, subdiv = 1000):
""" Draws a quick and cheesy visualization of the Mopath using
LineSegs. Returns the NodePath representing the drawing. """
ls = LineSegs('mopath')
p = Point3()
for ti in range(subdiv):
t = float(ti) / float(subdiv) * self.maxT
tp = self.calcTime(t)
self.xyzNurbsCurve.getPoint(tp, p)
ls.drawTo(p)
return NodePath(ls.create())