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-rwxr-xr-xexamples2/tut13.py329
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diff --git a/examples2/tut13.py b/examples2/tut13.py
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-#!/usr/bin/env python
-
-# TQt tutorial 13.
-
-import sys
-import math
-import random
-from python_tqt.qt import *
-
-
-class LCDRange(TQWidget):
- def __init__(self,s=None,parent=None,name=None):
- TQWidget.__init__(self,parent,name)
-
- lcd = TQLCDNumber(2,self,'lcd')
- self.slider = TQSlider(TQt.Horizontal,self,'slider')
- self.slider.setRange(0,99)
- self.slider.setValue(0)
-
- self.label = TQLabel(' ',self,'label')
- self.label.setAlignment(TQt.AlignCenter)
-
- self.connect(self.slider,SIGNAL('valueChanged(int)'),lcd,SLOT('display(int)'))
- self.connect(self.slider,SIGNAL('valueChanged(int)'),self,PYSIGNAL('valueChanged(int)'))
-
- self.setFocusProxy(self.slider)
-
- l = TQVBoxLayout(self)
- l.addWidget(lcd,1)
- l.addWidget(self.slider)
- l.addWidget(self.label)
-
- if s is not None:
- self.setText(s)
-
- def value(self):
- return self.slider.value()
-
- def setValue(self,value):
- self.slider.setValue(value)
-
- def setRange(self,minVal,maxVal):
- if minVal < 0 or maxVal > 99 or minVal > maxVal:
- raise ValueError('LCDRange.setRange(): invalid range')
- self.slider.setRange(minVal,maxVal)
-
- def text(self):
- return self.label.text()
-
- def setText(self,s):
- self.label.setText(s)
-
-
-class CannonField(TQWidget):
- def __init__(self,parent=None,name=None):
- TQWidget.__init__(self,parent,name)
-
- self.ang = 45
- self.f = 0
- self.timerCount = 0
-
- self.autoShootTimer = TQTimer(self,'movement handler')
- self.connect(self.autoShootTimer,SIGNAL('timeout()'),self.moveShot)
-
- self.shoot_ang = 0
- self.shoot_f = 0
- self.target = TQPoint(0,0)
- self.gameEnded = 0
-
- self.setPalette(TQPalette(TQColor(250,250,200)))
-
- self.barrelRect = TQRect(33,-4,15,8)
-
- self.newTarget()
-
- def angle(self):
- return self.ang
-
- def setAngle(self,degrees):
- if degrees < 5:
- degrees = 5
- if degrees > 70:
- degrees = 70
- if self.ang == degrees:
- return
- self.ang = degrees
- self.repaint(self.cannonRect(),0)
- self.emit(PYSIGNAL('angleChanged(int)'),(self.ang,))
-
- def force(self):
- return self.f
-
- def setForce(self,newton):
- if newton < 0:
- newton = 0
- if self.f == newton:
- return
- self.f = newton
- self.emit(PYSIGNAL('forceChanged(int)'),(self.f,))
-
- def shoot(self):
- if self.isShooting():
- return
-
- self.timerCount = 0
- self.shoot_ang = self.ang
- self.shoot_f = self.f
- self.autoShootTimer.start(50)
- self.emit(PYSIGNAL('canShoot(bool)'),(0,))
-
- def newTarget(self):
- r = TQRegion(self.targetRect())
- self.target = TQPoint(random.randint(200,390),random.randint(10,265))
- self.repaint(r.unite(TQRegion(self.targetRect())))
-
- def gameOver(self):
- return self.gameEnded
-
- def setGameOver(self):
- if self.gameEnded:
- return
- if self.isShooting():
- self.autoShootTime.stop()
- self.gameEnded = 1
- self.repaint()
-
- def restartGame(self):
- if self.isShooting():
- self.autoShootTime.stop()
- self.gameEnded = 0
- self.repaint()
- self.emit(PYSIGNAL('canShoot(bool)'),(1,))
-
- def moveShot(self):
- r = TQRegion(self.shotRect())
- self.timerCount = self.timerCount + 1
-
- shotR = self.shotRect()
-
- if shotR.intersects(self.targetRect()):
- self.autoShootTimer.stop()
- self.emit(PYSIGNAL('hit()'),())
- self.emit(PYSIGNAL('canShoot(bool)'),(1,))
- elif shotR.x() > self.width() or shotR.y() > self.height():
- self.autoShootTimer.stop()
- self.emit(PYSIGNAL('missed()'),())
- self.emit(PYSIGNAL('canShoot(bool)'),(1,))
- else:
- r = r.unite(TQRegion(shotR))
-
- self.repaint(r)
-
- def paintEvent(self,ev):
- updateR = ev.rect()
- p = TQPainter(self)
-
- if self.gameEnded:
- p.setPen(TQt.black)
- p.setFont(TQFont('Courier',48,TQFont.Bold))
- p.drawText(self.rect(),TQt.AlignCenter,'Game Over')
-
- if updateR.intersects(self.cannonRect()):
- self.paintCannon(p)
-
- if self.isShooting() and updateR.intersects(self.shotRect()):
- self.paintShot(p)
-
- if not self.gameEnded and updateR.intersects(self.targetRect()):
- self.paintTarget(p)
-
- def paintShot(self,p):
- p.setBrush(TQt.black)
- p.setPen(TQt.NoPen)
- p.drawRect(self.shotRect())
-
- def paintTarget(self,p):
- p.setBrush(TQt.red)
- p.setPen(TQt.black)
- p.drawRect(self.targetRect())
-
- def paintCannon(self,p):
- cr = self.cannonRect()
- pix = TQPixmap(cr.size())
- pix.fill(self,cr.topLeft())
-
- tmp = TQPainter(pix)
- tmp.setBrush(TQt.blue)
- tmp.setPen(TQt.NoPen)
-
- tmp.translate(0,pix.height() - 1)
- tmp.drawPie(TQRect(-35,-35,70,70),0,90 * 16)
- tmp.rotate(-self.ang)
- tmp.drawRect(self.barrelRect)
- tmp.end()
-
- p.drawPixmap(cr.topLeft(),pix)
-
- def cannonRect(self):
- r = TQRect(0,0,50,50)
- r.moveBottomLeft(self.rect().bottomLeft())
- return r
-
- def shotRect(self):
- gravity = 4.0
-
- time = self.timerCount / 4.0
- velocity = self.shoot_f
- radians = self.shoot_ang * 3.14159265 / 180
-
- velx = velocity * math.cos(radians)
- vely = velocity * math.sin(radians)
- x0 = (self.barrelRect.right() + 5) * math.cos(radians)
- y0 = (self.barrelRect.right() + 5) * math.sin(radians)
- x = x0 + velx * time
- y = y0 + vely * time - 0.5 * gravity * time * time
-
- r = TQRect(0,0,6,6)
- r.moveCenter(TQPoint(int(x),int(self.height() - 1 - y)))
- return r
-
- def targetRect(self):
- r = TQRect(0,0,20,10)
- r.moveCenter(TQPoint(self.target.x(),self.height() - 1 - self.target.y()))
- return r
-
- def isShooting(self):
- return self.autoShootTimer.isActive()
-
- def sizePolicy(self):
- return TQSizePolicy(TQSizePolicy.Expanding,TQSizePolicy.Expanding)
-
-
-class GameBoard(TQWidget):
- def __init__(self,parent=None,name=None):
- TQWidget.__init__(self,parent,name)
-
- quit = TQPushButton('&Quit',self,'quit')
- quit.setFont(TQFont('Times',18,TQFont.Bold))
- self.connect(quit,SIGNAL('clicked()'),tqApp,SLOT('quit()'))
-
- self.angle = LCDRange('ANGLE',self,'angle')
- self.angle.setRange(5,70)
-
- self.force = LCDRange('FORCE',self,'force')
- self.force.setRange(10,50)
-
- self.cannonField = CannonField(self,'cannonField')
-
- self.connect(self.angle,PYSIGNAL('valueChanged(int)'),self.cannonField.setAngle)
- self.connect(self.cannonField,PYSIGNAL('angleChanged(int)'),self.angle.setValue)
-
- self.connect(self.force,PYSIGNAL('valueChanged(int)'),self.cannonField.setForce)
- self.connect(self.cannonField,PYSIGNAL('forceChanged(int)'),self.force.setValue)
-
- self.connect(self.cannonField,PYSIGNAL('hit()'),self.hit)
- self.connect(self.cannonField,PYSIGNAL('missed()'),self.missed)
-
- self.shoot = TQPushButton('&Shoot',self,'shoot')
- self.shoot.setFont(TQFont('Times',18,TQFont.Bold))
- self.connect(self.shoot,SIGNAL('clicked()'),self.fire)
- self.connect(self.cannonField,PYSIGNAL('canShoot(bool)'),self.shoot,SLOT('setEnabled(bool)'))
-
- restart = TQPushButton('&New Game',self,'newgame')
- restart.setFont(TQFont('Times',18,TQFont.Bold))
- self.connect(restart,SIGNAL('clicked()'),self.newGame)
-
- self.hits = TQLCDNumber(2,self,'hits')
- self.shotsLeft = TQLCDNumber(2,self,'shotsleft')
- hitsL = TQLabel('HITS',self,'hitsLabel')
- shotsLeftL = TQLabel('SHOTS LEFT',self,'shotsleftLabel')
-
- grid = TQGridLayout(self,2,2,10)
- grid.addWidget(quit,0,0)
- grid.addWidget(self.cannonField,1,1)
- grid.setColStretch(1,10)
-
- leftBox = TQVBoxLayout()
- grid.addLayout(leftBox,1,0)
- leftBox.addWidget(self.angle)
- leftBox.addWidget(self.force)
-
- topBox = TQHBoxLayout()
- grid.addLayout(topBox,0,1)
- topBox.addWidget(self.shoot)
- topBox.addWidget(self.hits)
- topBox.addWidget(hitsL)
- topBox.addWidget(self.shotsLeft)
- topBox.addWidget(shotsLeftL)
- topBox.addStretch(1)
- topBox.addWidget(restart)
-
- self.angle.setValue(60)
- self.force.setValue(25)
- self.angle.setFocus()
-
- self.newGame()
-
- def fire(self):
- if self.cannonField.gameOver() or self.cannonField.isShooting():
- return
- self.shotsLeft.display(self.shotsLeft.intValue() - 1)
- self.cannonField.shoot()
-
- def hit(self):
- self.hits.display(self.hits.intValue() + 1)
- if self.shotsLeft.intValue() == 0:
- self.cannonField.setGameOver()
- else:
- self.cannonField.newTarget()
-
- def missed(self):
- if self.shotsLeft.intValue() == 0:
- self.cannonField.setGameOver()
-
- def newGame(self):
- self.shotsLeft.display(15)
- self.hits.display(0)
- self.cannonField.restartGame()
- self.cannonField.newTarget()
-
-
-TQApplication.setColorSpec(TQApplication.CustomColor)
-a = TQApplication(sys.argv)
-
-gb = GameBoard()
-gb.setGeometry(100,100,500,355)
-a.setMainWidget(gb)
-gb.show()
-a.exec_loop()