def true_wish():
# define some actors
x = TextBox("Jubba")
y = TextBox("Wubba")
f = Flame()
# turn some into a group
g = Group(x,y)
# set some starting opacities
g.opacity = 0.0
# bring out the group
g.enter()
# fade in and out at same time, while showing fire
with parallel():
# smooth takes start, end, and duration
x.opacity = smooth_to(.5,duration=2.0)
y.opacity = smooth_to(.5,duration=2.0)
# the flame can burn
with serial():
# enter the flame
f.enter()
# wait a sec to start
wait(1.0)
# burn the flame for a sec
f.burn(1.0)
# then leave
f.leave()
# Wait for keypress before continuing
pause()
# group leaves the stage
g.leave()
def scene1():
# define some actors
x = TextBox("Pynamite")
y = TextBox("Rocks!!!", "Georgia")
b = GradientBox()
b.enter()
# tell the first actor to enter
enter(x)
# wait for a keypress to continue
pause()
# fade out one actor while other comes in
y.set_cx(0.0)
y.set_cy(0.0)
with parallel():
fadein(2.0,y)
y.set_cx(.5,duration=2.0,func="smooth")
y.set_cy(.5,duration=2.0,func="smooth")
fadeout(1.0,x)
# wait for input
pause()
#wait(1.0)
# last actor leaves
with parallel():
fadeout(2.0,y)
y.set_cx(1.0,duration=2.0,func="smooth")
y.set_cy(1.0,duration=2.0,func="smooth")
with serial():
wait(1.0)
b.fadeout(2.0)
def scene2():
# define the actor
x = TextBox("Yes, it Rocks!!!", "Georgia")
b = GradientBox()
b.fadein(1.0)
# set its opacity to 0.0
x.set_opacity(0.0)
# have it enter (but remember it's still not visible)
x.enter()
# have it become visible, but in a fancy way
x.set_opacity(.5, duration=.5, func="smooth")
x.set_opacity(.25, duration=.25, func="smooth")
x.set_opacity(.75, duration=.5, func="smooth")
x.set_opacity(.5, duration=.25, func="smooth")
x.set_opacity(1.0, duration=.5, func="smooth")
# wait for input
pause()
# have the actor leave
x.fadeout(1.0)