def __init__(self, base, typewriterNP, underDeskClip, sounds):
self.base = base
self.sounds = sounds
self.underDeskClip = underDeskClip
self.typeIndex = 0
self.typewriterNP = typewriterNP
self.rollerAssemblyNP = typewriterNP.find("**/roller assembly")
assert self.rollerAssemblyNP
self.rollerNP = typewriterNP.find("**/roller")
assert self.rollerNP
self.carriageNP = typewriterNP.find("**/carriage")
assert self.carriageNP
self.baseCarriagePos = self.carriageNP.getPos()
self.carriageBounds = self.carriageNP.getTightBounds()
self.font = base.loader.loadFont('Harting.ttf', pointSize=32)
self.pnmFont = PNMTextMaker(self.font)
self.fontCharSize, _, _ = fonts.measureFont(self.pnmFont, 32)
print "font char size: ", self.fontCharSize
self.pixelsPerLine = int(round(self.pnmFont.getLineHeight()))
self.target = None
""" panda3d.core.NodePath """
self.targetRoot = None
""" panda3d.core.NodePath """
self.paperY = 0.0
""" range from 0 to 1 """
self.paperX = 0.0
""" range from 0 to 1 """
self.createRollerBase()
self.tex = None
self.texImage = None
self.setupTexture()
self.scheduler = Scheduler()
task = self.base.taskMgr.add(self.tick, 'timerTask')
task.setDelay(0.01)
def __init__(self, base, typewriterNP, underDeskClip, sounds):
self.base = base
self.sounds = sounds
self.underDeskClip = underDeskClip
self.typeIndex = 0
self.typewriterNP = typewriterNP
self.rollerAssemblyNP = typewriterNP.find("**/roller assembly")
assert self.rollerAssemblyNP
self.rollerNP = typewriterNP.find("**/roller")
assert self.rollerNP
self.carriageNP = typewriterNP.find("**/carriage")
assert self.carriageNP
self.baseCarriagePos = self.carriageNP.getPos()
self.carriageBounds = self.carriageNP.getTightBounds()
self.font = base.loader.loadFont('Harting.ttf', pointSize=32)
self.pnmFont = PNMTextMaker(self.font)
self.fontCharSize, _, _ = fonts.measureFont(self.pnmFont, 32)
print "font char size: ",self.fontCharSize
self.pixelsPerLine = int(round(self.pnmFont.getLineHeight()))
self.target = None
""" panda3d.core.NodePath """
self.targetRoot = None
""" panda3d.core.NodePath """
self.paperY = 0.0
""" range from 0 to 1 """
self.paperX = 0.0
""" range from 0 to 1 """
self.createRollerBase()
self.tex = None
self.texImage = None
self.setupTexture()
self.scheduler = Scheduler()
task = self.base.taskMgr.add(self.tick, 'timerTask')
task.setDelay(0.01)
class Typist(object):
TARGETS = {
'paper': {
'model': 'paper',
'textureRoot': 'Front',
'scale': Point3(0.85, 0.85, 1),
'hpr': Point3(0, 0, 0),
}
}
def __init__(self, base, typewriterNP, underDeskClip, sounds):
self.base = base
self.sounds = sounds
self.underDeskClip = underDeskClip
self.typeIndex = 0
self.typewriterNP = typewriterNP
self.rollerAssemblyNP = typewriterNP.find("**/roller assembly")
assert self.rollerAssemblyNP
self.rollerNP = typewriterNP.find("**/roller")
assert self.rollerNP
self.carriageNP = typewriterNP.find("**/carriage")
assert self.carriageNP
self.baseCarriagePos = self.carriageNP.getPos()
self.carriageBounds = self.carriageNP.getTightBounds()
self.font = base.loader.loadFont('Harting.ttf', pointSize=32)
self.pnmFont = PNMTextMaker(self.font)
self.fontCharSize, _, _ = fonts.measureFont(self.pnmFont, 32)
print "font char size: ", self.fontCharSize
self.pixelsPerLine = int(round(self.pnmFont.getLineHeight()))
self.target = None
""" panda3d.core.NodePath """
self.targetRoot = None
""" panda3d.core.NodePath """
self.paperY = 0.0
""" range from 0 to 1 """
self.paperX = 0.0
""" range from 0 to 1 """
self.createRollerBase()
self.tex = None
self.texImage = None
self.setupTexture()
self.scheduler = Scheduler()
task = self.base.taskMgr.add(self.tick, 'timerTask')
task.setDelay(0.01)
def tick(self, task):
self.scheduler.tick(globalClock.getRealTime())
return task.cont
def setupTexture(self):
"""
This is the overlay/decal/etc. which contains the typed characters.
The texture size and the font size are currently tied together.
:return:
"""
self.texImage = PNMImage(1024, 1024)
self.texImage.addAlpha()
self.texImage.fill(1.0)
self.texImage.alphaFill(1.0)
self.tex = Texture('typing')
self.tex.setMagfilter(Texture.FTLinear)
self.tex.setMinfilter(Texture.FTLinear)
self.typingStage = TextureStage('typing')
self.typingStage.setMode(TextureStage.MModulate)
self.tex.load(self.texImage)
# ensure we can quickly update subimages
self.tex.setKeepRamImage(True)
# temp for drawing chars
self.chImage = PNMImage(*self.fontCharSize)
def drawCharacter(self, ch, px, py):
"""
Draw a character onto the texture
:param ch:
:param px: paperX
:param py: paperY
:return: the paper-relative size of the character
"""
h = self.fontCharSize[1]
if ch != ' ':
# position -> pixel, applying margins
x = int(self.tex.getXSize() * (px * 0.8 + 0.1))
y = int(self.tex.getYSize() * (py * 0.8 + 0.1))
# always draw onto the paper, to capture
# incremental character overstrikes
self.pnmFont.generateInto(ch, self.texImage, x, y)
if False:
#print ch,"to",x,y,"w=",g.getWidth()
self.tex.load(self.texImage)
else:
# copy an area (presumably) encompassing the character
g = self.pnmFont.getGlyph(ord(ch))
cx, cy = self.fontCharSize
# a glyph is minimally sized and "moves around" in its text box
# (think ' vs. ,), so it has been drawn somewhere relative to
# the 'x' and 'y' we wanted.
x += g.getLeft()
y -= g.getTop()
self.chImage.copySubImage(
self.texImage,
0,
0, # from
x,
y, # to
cx,
cy # size
)
self.tex.loadSubImage(self.chImage, x, y)
# toggle for a typewriter that uses non-proportional spacing
#w = self.paperCharWidth(g.getWidth())
w = self.paperCharWidth()
else:
w = self.paperCharWidth()
return w, h
def start(self):
self.target = None
self.setTarget('paper')
self.hookKeyboard()
def createRollerBase(self):
""" The paper moves such that it is tangent to the roller.
This nodepath keeps a coordinate space relative to that, so that
the paper can be positioned from (0,0,0) to (0,0,1) to "roll" it
along the roller.
"""
bb = self.rollerNP.getTightBounds()
#self.rollerNP.showTightBounds()
self.paperRollerBase = self.rollerAssemblyNP.attachNewNode(
'rollerBase')
self.paperRollerBase.setHpr(0, -20, 0)
print "roller:", bb
rad = abs(bb[0].y - bb[1].y) / 2
center = Vec3(-(bb[0].x + bb[1].x) / 2 - 0.03, (bb[0].y - bb[1].y) / 2,
(bb[0].z + bb[1].z) / 2)
self.paperRollerBase.setPos(center)
def setTarget(self, name):
if self.target:
self.target.removeNode()
# load and transform the model
target = self.TARGETS[name]
self.target = self.base.loader.loadModel(target['model'])
#self.target.setScale(target['scale'])
self.target.setHpr(target['hpr'])
# put it in the world
self.target.reparentTo(self.paperRollerBase)
rbb = self.rollerNP.getTightBounds()
tbb = self.target.getTightBounds()
rs = (rbb[1] - rbb[0])
ts = (tbb[1] - tbb[0])
self.target.setScale(rs.x / ts.x, 1, 1)
# apply the texture
self.targetRoot = self.target
if 'textureRoot' in target:
self.targetRoot = self.target.find("**/" + target['textureRoot'])
assert self.targetRoot
self.targetRoot.setTexture(self.typingStage, self.tex)
#self.setupTargetClip()
# reset
self.paperX = self.paperY = 0.
newPos = self.calcPaperPos(self.paperY)
self.target.setPos(newPos)
self.moveCarriage()
def setupTargetClip(self):
"""
The target is fed in to the typewriter but until we invent "geom curling",
it shouldn't be visible under the typewriter under the desk.
The @underDeskClip node has a world-relative bounding box, which
we can convert to the target-relative bounding box, and pass to a
shader that can clip the nodes.
"""
shader = Shader.make(
Shader.SLGLSL, """
#version 120
attribute vec4 p3d_MultiTexCoord0;
attribute vec4 p3d_MultiTexCoord1;
void main() {
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
gl_TexCoord[0] = p3d_MultiTexCoord0;
gl_TexCoord[1] = p3d_MultiTexCoord1;
}
""", """
#version 120
uniform sampler2D baseTex;
uniform sampler2D charTex;
const vec4 zero = vec4(0, 0, 0, 0);
const vec4 one = vec4(1, 1, 1, 1);
const vec4 half = vec4(0.5, 0.5, 0.5, 0);
void main() {
vec4 baseColor = texture2D(baseTex, gl_TexCoord[0].st);
vec4 typeColor = texture2D(charTex, gl_TexCoord[1].st);
gl_FragColor = baseColor * typeColor;
}""")
self.target.setShader(shader)
baseTex = self.targetRoot.getTexture()
print "Base Texture:", baseTex
self.target.setShaderInput("baseTex", baseTex)
self.target.setShaderInput("charTex", self.tex)
def hookKeyboard(self):
"""
Hook events so we can respond to keypresses.
"""
self.base.buttonThrowers[0].node().setKeystrokeEvent('keystroke')
self.base.accept('keystroke', self.schedTypeCharacter)
self.base.accept('backspace', self.schedBackspace)
self.base.accept('arrow_up', lambda: self.schedAdjustPaper(-5))
self.base.accept('arrow_up-repeat', lambda: self.schedAdjustPaper(-1))
self.base.accept('arrow_down', lambda: self.schedAdjustPaper(5))
self.base.accept('arrow_down-repeat', lambda: self.schedAdjustPaper(1))
self.base.accept('arrow_left', lambda: self.schedAdjustCarriage(-1))
self.base.accept('arrow_left-repeat',
lambda: self.schedAdjustCarriage(-1))
self.base.accept('arrow_right', lambda: self.schedAdjustCarriage(1))
self.base.accept('arrow_right-repeat',
lambda: self.schedAdjustCarriage(1))
def paperCharWidth(self, pixels=None):
if not pixels:
pixels = self.fontCharSize[0]
return float(pixels) / self.tex.getXSize()
def paperLineHeight(self):
return float(self.fontCharSize[1] * 1.2) / self.tex.getYSize()
def schedScroll(self):
if self.scheduler.isQueueEmpty():
self.schedRollPaper(1)
self.schedResetCarriage()
def schedBackspace(self):
if self.scheduler.isQueueEmpty():
def doit():
if self.paperX > 0:
self.schedAdjustCarriage(-1)
self.scheduler.schedule(0.01, doit)
def createMoveCarriageInterval(self, newX, curX=None):
if curX is None:
curX = self.paperX
here = self.calcCarriage(curX)
there = self.calcCarriage(newX)
posInterval = LerpPosInterval(self.carriageNP,
abs(newX - curX),
there,
startPos=here,
blendType='easeIn')
posInterval.setDoneEvent('carriageReset')
def isReset():
self.paperX = newX
self.base.acceptOnce('carriageReset', isReset)
return posInterval
def schedResetCarriage(self):
if self.paperX > 0.1:
self.sounds['pullback'].play()
invl = self.createMoveCarriageInterval(0)
self.scheduler.scheduleInterval(0, invl)
def calcCarriage(self, paperX):
"""
Calculate where the carriage should be offset based
on the position on the paper
:param paperX: 0...1
:return: pos for self.carriageNP
"""
x = (0.5 - paperX) * 0.69 * 0.8 + 0.01
bb = self.carriageBounds
return self.baseCarriagePos + Point3(x * (bb[1].x - bb[0].x), 0, 0)
def moveCarriage(self):
pos = self.calcCarriage(self.paperX)
self.carriageNP.setPos(pos)
def schedMoveCarriage(self, curX, newX):
if self.scheduler.isQueueEmpty():
#self.scheduler.schedule(0.1, self.moveCarriage)
invl = self.createMoveCarriageInterval(newX, curX=curX)
invl.start()
def schedAdjustCarriage(self, bx):
if self.scheduler.isQueueEmpty():
def doit():
self.paperX = max(
0.0, min(1.0, self.paperX + bx * self.paperCharWidth()))
self.moveCarriage()
self.scheduler.schedule(0.1, doit)
def calcPaperPos(self, paperY):
# center over roller, peek out a little
z = paperY * 0.8 - 0.5 + 0.175
bb = self.target.getTightBounds()
return Point3(-0.5, 0, z * (bb[1].z - bb[0].z))
def createMovePaperInterval(self, newY):
here = self.calcPaperPos(self.paperY)
there = self.calcPaperPos(newY)
posInterval = LerpPosInterval(self.target,
abs(newY - self.paperY),
there,
startPos=here,
blendType='easeInOut')
posInterval.setDoneEvent('scrollDone')
def isDone():
self.paperY = newY
self.base.acceptOnce('scrollDone', isDone)
return posInterval
def schedAdjustPaper(self, by):
if self.scheduler.isQueueEmpty():
def doit():
self.schedRollPaper(by)
self.scheduler.schedule(0.1, doit)
def schedRollPaper(self, by):
"""
Position the paper such that @percent of it is rolled over roller
:param percent:
:return:
"""
def doit():
self.sounds['scroll'].play()
newY = min(1.0, max(0.0,
self.paperY + self.paperLineHeight() * by))
invl = self.createMovePaperInterval(newY)
invl.start()
self.scheduler.schedule(0.1, doit)
def schedTypeCharacter(self, keyname):
# filter for visibility
if ord(keyname) == 13:
self.schedScroll()
elif ord(keyname) >= 32 and ord(keyname) != 127:
if self.scheduler.isQueueEmpty():
curX, curY = self.paperX, self.paperY
self.typeCharacter(keyname, curX, curY)
def typeCharacter(self, ch, curX, curY):
newX = curX
w, h = self.drawCharacter(ch, curX, curY)
newX += w
if ch != ' ':
# alternate typing sound
#self.typeIndex = (self.typeIndex+1) % 3
self.typeIndex = random.randint(0, 2)
self.sounds['type' + str(self.typeIndex + 1)].play()
else:
self.sounds['advance'].play()
if newX >= 1:
self.sounds['bell'].play()
newX = 1
self.schedMoveCarriage(self.paperX, newX)
# move first, to avoid overtype
self.paperX = newX
class Typist(object):
TARGETS = { 'paper': {
'model': 'paper',
'textureRoot': 'Front',
'scale': Point3(0.85, 0.85, 1),
'hpr' : Point3(0, 0, 0),
}
}
def __init__(self, base, typewriterNP, underDeskClip, sounds):
self.base = base
self.sounds = sounds
self.underDeskClip = underDeskClip
self.typeIndex = 0
self.typewriterNP = typewriterNP
self.rollerAssemblyNP = typewriterNP.find("**/roller assembly")
assert self.rollerAssemblyNP
self.rollerNP = typewriterNP.find("**/roller")
assert self.rollerNP
self.carriageNP = typewriterNP.find("**/carriage")
assert self.carriageNP
self.baseCarriagePos = self.carriageNP.getPos()
self.carriageBounds = self.carriageNP.getTightBounds()
self.font = base.loader.loadFont('Harting.ttf', pointSize=32)
self.pnmFont = PNMTextMaker(self.font)
self.fontCharSize, _, _ = fonts.measureFont(self.pnmFont, 32)
print "font char size: ",self.fontCharSize
self.pixelsPerLine = int(round(self.pnmFont.getLineHeight()))
self.target = None
""" panda3d.core.NodePath """
self.targetRoot = None
""" panda3d.core.NodePath """
self.paperY = 0.0
""" range from 0 to 1 """
self.paperX = 0.0
""" range from 0 to 1 """
self.createRollerBase()
self.tex = None
self.texImage = None
self.setupTexture()
self.scheduler = Scheduler()
task = self.base.taskMgr.add(self.tick, 'timerTask')
task.setDelay(0.01)
def tick(self, task):
self.scheduler.tick(globalClock.getRealTime())
return task.cont
def setupTexture(self):
"""
This is the overlay/decal/etc. which contains the typed characters.
The texture size and the font size are currently tied together.
:return:
"""
self.texImage = PNMImage(1024, 1024)
self.texImage.addAlpha()
self.texImage.fill(1.0)
self.texImage.alphaFill(1.0)
self.tex = Texture('typing')
self.tex.setMagfilter(Texture.FTLinear)
self.tex.setMinfilter(Texture.FTLinear)
self.typingStage = TextureStage('typing')
self.typingStage.setMode(TextureStage.MModulate)
self.tex.load(self.texImage)
# ensure we can quickly update subimages
self.tex.setKeepRamImage(True)
# temp for drawing chars
self.chImage = PNMImage(*self.fontCharSize)
def drawCharacter(self, ch, px, py):
"""
Draw a character onto the texture
:param ch:
:param px: paperX
:param py: paperY
:return: the paper-relative size of the character
"""
h = self.fontCharSize[1]
if ch != ' ':
# position -> pixel, applying margins
x = int(self.tex.getXSize() * (px * 0.8 + 0.1))
y = int(self.tex.getYSize() * (py * 0.8 + 0.1))
# always draw onto the paper, to capture
# incremental character overstrikes
self.pnmFont.generateInto(ch, self.texImage, x, y)
if False:
#print ch,"to",x,y,"w=",g.getWidth()
self.tex.load(self.texImage)
else:
# copy an area (presumably) encompassing the character
g = self.pnmFont.getGlyph(ord(ch))
cx, cy = self.fontCharSize
# a glyph is minimally sized and "moves around" in its text box
# (think ' vs. ,), so it has been drawn somewhere relative to
# the 'x' and 'y' we wanted.
x += g.getLeft()
y -= g.getTop()
self.chImage.copySubImage(
self.texImage,
0, 0, # from
x, y, # to
cx, cy # size
)
self.tex.loadSubImage(self.chImage, x, y)
# toggle for a typewriter that uses non-proportional spacing
#w = self.paperCharWidth(g.getWidth())
w = self.paperCharWidth()
else:
w = self.paperCharWidth()
return w, h
def start(self):
self.target = None
self.setTarget('paper')
self.hookKeyboard()
def createRollerBase(self):
""" The paper moves such that it is tangent to the roller.
This nodepath keeps a coordinate space relative to that, so that
the paper can be positioned from (0,0,0) to (0,0,1) to "roll" it
along the roller.
"""
bb = self.rollerNP.getTightBounds()
#self.rollerNP.showTightBounds()
self.paperRollerBase = self.rollerAssemblyNP.attachNewNode('rollerBase')
self.paperRollerBase.setHpr(0, -20, 0)
print "roller:",bb
rad = abs(bb[0].y - bb[1].y) / 2
center = Vec3(-(bb[0].x+bb[1].x)/2 - 0.03,
(bb[0].y-bb[1].y)/2,
(bb[0].z+bb[1].z)/2)
self.paperRollerBase.setPos(center)
def setTarget(self, name):
if self.target:
self.target.removeNode()
# load and transform the model
target = self.TARGETS[name]
self.target = self.base.loader.loadModel(target['model'])
#self.target.setScale(target['scale'])
self.target.setHpr(target['hpr'])
# put it in the world
self.target.reparentTo(self.paperRollerBase)
rbb = self.rollerNP.getTightBounds()
tbb = self.target.getTightBounds()
rs = (rbb[1] - rbb[0])
ts = (tbb[1] - tbb[0])
self.target.setScale(rs.x / ts.x, 1, 1)
# apply the texture
self.targetRoot = self.target
if 'textureRoot' in target:
self.targetRoot = self.target.find("**/" + target['textureRoot'])
assert self.targetRoot
self.targetRoot.setTexture(self.typingStage, self.tex)
#self.setupTargetClip()
# reset
self.paperX = self.paperY = 0.
newPos = self.calcPaperPos(self.paperY)
self.target.setPos(newPos)
self.moveCarriage()
def setupTargetClip(self):
"""
The target is fed in to the typewriter but until we invent "geom curling",
it shouldn't be visible under the typewriter under the desk.
The @underDeskClip node has a world-relative bounding box, which
we can convert to the target-relative bounding box, and pass to a
shader that can clip the nodes.
"""
shader = Shader.make(
Shader.SLGLSL,
"""
#version 120
attribute vec4 p3d_MultiTexCoord0;
attribute vec4 p3d_MultiTexCoord1;
void main() {
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
gl_TexCoord[0] = p3d_MultiTexCoord0;
gl_TexCoord[1] = p3d_MultiTexCoord1;
}
""",
"""
#version 120
uniform sampler2D baseTex;
uniform sampler2D charTex;
const vec4 zero = vec4(0, 0, 0, 0);
const vec4 one = vec4(1, 1, 1, 1);
const vec4 half = vec4(0.5, 0.5, 0.5, 0);
void main() {
vec4 baseColor = texture2D(baseTex, gl_TexCoord[0].st);
vec4 typeColor = texture2D(charTex, gl_TexCoord[1].st);
gl_FragColor = baseColor * typeColor;
}"""
)
self.target.setShader(shader)
baseTex = self.targetRoot.getTexture()
print "Base Texture:",baseTex
self.target.setShaderInput("baseTex", baseTex)
self.target.setShaderInput("charTex", self.tex)
def hookKeyboard(self):
"""
Hook events so we can respond to keypresses.
"""
self.base.buttonThrowers[0].node().setKeystrokeEvent('keystroke')
self.base.accept('keystroke', self.schedTypeCharacter)
self.base.accept('backspace', self.schedBackspace)
self.base.accept('arrow_up', lambda: self.schedAdjustPaper(-5))
self.base.accept('arrow_up-repeat', lambda: self.schedAdjustPaper(-1))
self.base.accept('arrow_down', lambda:self.schedAdjustPaper(5))
self.base.accept('arrow_down-repeat', lambda:self.schedAdjustPaper(1))
self.base.accept('arrow_left', lambda: self.schedAdjustCarriage(-1))
self.base.accept('arrow_left-repeat', lambda: self.schedAdjustCarriage(-1))
self.base.accept('arrow_right', lambda:self.schedAdjustCarriage(1))
self.base.accept('arrow_right-repeat', lambda:self.schedAdjustCarriage(1))
def paperCharWidth(self, pixels=None):
if not pixels:
pixels = self.fontCharSize[0]
return float(pixels) / self.tex.getXSize()
def paperLineHeight(self):
return float(self.fontCharSize[1] * 1.2) / self.tex.getYSize()
def schedScroll(self):
if self.scheduler.isQueueEmpty():
self.schedRollPaper(1)
self.schedResetCarriage()
def schedBackspace(self):
if self.scheduler.isQueueEmpty():
def doit():
if self.paperX > 0:
self.schedAdjustCarriage(-1)
self.scheduler.schedule(0.01, doit)
def createMoveCarriageInterval(self, newX, curX=None):
if curX is None:
curX = self.paperX
here = self.calcCarriage(curX)
there = self.calcCarriage(newX)
posInterval = LerpPosInterval(
self.carriageNP, abs(newX - curX),
there,
startPos = here,
blendType='easeIn')
posInterval.setDoneEvent('carriageReset')
def isReset():
self.paperX = newX
self.base.acceptOnce('carriageReset', isReset)
return posInterval
def schedResetCarriage(self):
if self.paperX > 0.1:
self.sounds['pullback'].play()
invl = self.createMoveCarriageInterval(0)
self.scheduler.scheduleInterval(0, invl)
def calcCarriage(self, paperX):
"""
Calculate where the carriage should be offset based
on the position on the paper
:param paperX: 0...1
:return: pos for self.carriageNP
"""
x = (0.5 - paperX) * 0.69 * 0.8 + 0.01
bb = self.carriageBounds
return self.baseCarriagePos + Point3(x * (bb[1].x-bb[0].x), 0, 0)
def moveCarriage(self):
pos = self.calcCarriage(self.paperX)
self.carriageNP.setPos(pos)
def schedMoveCarriage(self, curX, newX):
if self.scheduler.isQueueEmpty():
#self.scheduler.schedule(0.1, self.moveCarriage)
invl = self.createMoveCarriageInterval(newX, curX=curX)
invl.start()
def schedAdjustCarriage(self, bx):
if self.scheduler.isQueueEmpty():
def doit():
self.paperX = max(0.0, min(1.0, self.paperX + bx * self.paperCharWidth()))
self.moveCarriage()
self.scheduler.schedule(0.1, doit)
def calcPaperPos(self, paperY):
# center over roller, peek out a little
z = paperY * 0.8 - 0.5 + 0.175
bb = self.target.getTightBounds()
return Point3(-0.5, 0, z * (bb[1].z-bb[0].z))
def createMovePaperInterval(self, newY):
here = self.calcPaperPos(self.paperY)
there = self.calcPaperPos(newY)
posInterval = LerpPosInterval(
self.target, abs(newY - self.paperY),
there,
startPos = here,
blendType='easeInOut')
posInterval.setDoneEvent('scrollDone')
def isDone():
self.paperY = newY
self.base.acceptOnce('scrollDone', isDone)
return posInterval
def schedAdjustPaper(self, by):
if self.scheduler.isQueueEmpty():
def doit():
self.schedRollPaper(by)
self.scheduler.schedule(0.1, doit)
def schedRollPaper(self, by):
"""
Position the paper such that @percent of it is rolled over roller
:param percent:
:return:
"""
def doit():
self.sounds['scroll'].play()
newY = min(1.0, max(0.0, self.paperY + self.paperLineHeight() * by))
invl = self.createMovePaperInterval(newY)
invl.start()
self.scheduler.schedule(0.1, doit)
def schedTypeCharacter(self, keyname):
# filter for visibility
if ord(keyname) == 13:
self.schedScroll()
elif ord(keyname) >= 32 and ord(keyname) != 127:
if self.scheduler.isQueueEmpty():
curX, curY = self.paperX, self.paperY
self.typeCharacter(keyname, curX, curY)
def typeCharacter(self, ch, curX, curY):
newX = curX
w, h = self.drawCharacter(ch, curX, curY)
newX += w
if ch != ' ':
# alternate typing sound
#self.typeIndex = (self.typeIndex+1) % 3
self.typeIndex = random.randint(0, 2)
self.sounds['type' + str(self.typeIndex+1)].play()
else:
self.sounds['advance'].play()
if newX >= 1:
self.sounds['bell'].play()
newX = 1
self.schedMoveCarriage(self.paperX, newX)
# move first, to avoid overtype
self.paperX = newX