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378 lines
11 KiB
378 lines
11 KiB
#!/usr/bin/env python
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# TQt tutorial 14.
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import sys
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import math
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import random
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from qt import *
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class LCDRange(TQWidget):
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def __init__(self,s=None,parent=None,name=None):
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TQWidget.__init__(self,parent,name)
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lcd = TQLCDNumber(2,self,'lcd')
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self.slider = TQSlider(TQt.Horizontal,self,'slider')
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self.slider.setRange(0,99)
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self.slider.setValue(0)
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self.label = TQLabel(' ',self,'label')
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self.label.setAlignment(TQt.AlignCenter)
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self.connect(self.slider,SIGNAL('valueChanged(int)'),lcd,SLOT('display(int)'))
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self.connect(self.slider,SIGNAL('valueChanged(int)'),self,PYSIGNAL('valueChanged(int)'))
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self.setFocusProxy(self.slider)
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l = TQVBoxLayout(self)
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l.addWidget(lcd,1)
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l.addWidget(self.slider)
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l.addWidget(self.label)
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if s is not None:
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self.setText(s)
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def value(self):
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return self.slider.value()
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def setValue(self,value):
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self.slider.setValue(value)
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def setRange(self,minVal,maxVal):
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if minVal < 0 or maxVal > 99 or minVal > maxVal:
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raise ValueError, 'LCDRange.setRange(): invalid range'
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self.slider.setRange(minVal,maxVal)
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def text(self):
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return self.label.text()
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def setText(self,s):
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self.label.setText(s)
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class CannonField(TQWidget):
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def __init__(self,parent=None,name=None):
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TQWidget.__init__(self,parent,name)
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self.ang = 45
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self.f = 0
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self.timerCount = 0
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self.autoShootTimer = TQTimer(self,'movement handler')
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self.connect(self.autoShootTimer,SIGNAL('timeout()'),self.moveShot)
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self.shoot_ang = 0
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self.shoot_f = 0
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self.target = TQPoint(0,0)
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self.gameEnded = 0
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self.barrelPressed = 0
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self.setPalette(TQPalette(TQColor(250,250,200)))
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self.barrelRect = TQRect(33,-4,15,8)
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self.newTarget()
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def angle(self):
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return self.ang
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def setAngle(self,degrees):
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if degrees < 5:
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degrees = 5
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if degrees > 70:
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degrees = 70
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if self.ang == degrees:
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return
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self.ang = degrees
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self.repaint(self.cannonRect(),0)
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self.emit(PYSIGNAL('angleChanged(int)'),(self.ang,))
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def force(self):
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return self.f
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def setForce(self,newton):
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if newton < 0:
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newton = 0
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if self.f == newton:
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return
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self.f = newton
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self.emit(PYSIGNAL('forceChanged(int)'),(self.f,))
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def shoot(self):
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if self.isShooting():
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return
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self.timerCount = 0
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self.shoot_ang = self.ang
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self.shoot_f = self.f
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self.autoShootTimer.start(50)
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self.emit(PYSIGNAL('canShoot(bool)'),(0,))
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def newTarget(self):
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r = TQRegion(self.targetRect())
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self.target = TQPoint(random.randint(200,390),random.randint(10,265))
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self.repaint(r.unite(TQRegion(self.targetRect())))
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def gameOver(self):
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return self.gameEnded
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def setGameOver(self):
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if self.gameEnded:
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return
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if self.isShooting():
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self.autoShootTime.stop()
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self.gameEnded = 1
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self.repaint()
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def restartGame(self):
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if self.isShooting():
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self.autoShootTime.stop()
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self.gameEnded = 0
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self.repaint()
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self.emit(PYSIGNAL('canShoot(bool)'),(1,))
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def moveShot(self):
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r = TQRegion(self.shotRect())
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self.timerCount = self.timerCount + 1
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shotR = self.shotRect()
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if shotR.intersects(self.targetRect()):
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self.autoShootTimer.stop()
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self.emit(PYSIGNAL('hit()'),())
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self.emit(PYSIGNAL('canShoot(bool)'),(1,))
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elif shotR.x() > self.width() or shotR.y() > self.height() or shotR.intersects(self.barrierRect()):
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self.autoShootTimer.stop()
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self.emit(PYSIGNAL('missed()'),())
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self.emit(PYSIGNAL('canShoot(bool)'),(1,))
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else:
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r = r.unite(TQRegion(shotR))
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self.repaint(r)
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def mousePressEvent(self,ev):
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if ev.button() != TQt.LeftButton:
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return
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if self.barrelHit(ev.pos()):
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self.barrelPressed = 1
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def mouseMoveEvent(self,ev):
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if not self.barrelPressed:
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return
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pnt = ev.pos()
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if pnt.x() <= 0:
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pnt.setX(1)
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if pnt.y() >= self.height():
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pnt.setY(self.height() - 1)
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rad = math.atan(float(self.rect().bottom() - pnt.y()) / pnt.x())
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self.setAngle(int(round(rad * 180 / math.pi)))
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def mouseReleaseEvent(self,ev):
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if ev.button() == TQt.LeftButton:
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self.barrelPressed = 0
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def paintEvent(self,ev):
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updateR = ev.rect()
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p = TQPainter(self)
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if self.gameEnded:
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p.setPen(TQt.black)
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p.setFont(TQFont('Courier',48,TQFont.Bold))
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p.drawText(self.rect(),TQt.AlignCenter,'Game Over')
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if updateR.intersects(self.cannonRect()):
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self.paintCannon(p)
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if updateR.intersects(self.barrierRect()):
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self.paintBarrier(p)
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if self.isShooting() and updateR.intersects(self.shotRect()):
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self.paintShot(p)
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if not self.gameEnded and updateR.intersects(self.targetRect()):
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self.paintTarget(p)
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def paintShot(self,p):
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p.setBrush(TQt.black)
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p.setPen(TQt.NoPen)
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p.drawRect(self.shotRect())
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def paintTarget(self,p):
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p.setBrush(TQt.red)
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p.setPen(TQt.black)
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p.drawRect(self.targetRect())
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def paintBarrier(self,p):
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p.setBrush(TQt.yellow)
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p.setPen(TQt.black)
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p.drawRect(self.barrierRect())
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def paintCannon(self,p):
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cr = self.cannonRect()
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pix = TQPixmap(cr.size())
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pix.fill(self,cr.topLeft())
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tmp = TQPainter(pix)
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tmp.setBrush(TQt.blue)
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tmp.setPen(TQt.NoPen)
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tmp.translate(0,pix.height() - 1)
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tmp.drawPie(TQRect(-35,-35,70,70),0,90 * 16)
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tmp.rotate(-self.ang)
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tmp.drawRect(self.barrelRect)
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tmp.end()
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p.drawPixmap(cr.topLeft(),pix)
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def cannonRect(self):
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r = TQRect(0,0,50,50)
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r.moveBottomLeft(self.rect().bottomLeft())
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return r
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def shotRect(self):
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gravity = 4.0
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time = self.timerCount / 4.0
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velocity = self.shoot_f
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radians = self.shoot_ang * math.pi / 180
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velx = velocity * math.cos(radians)
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vely = velocity * math.sin(radians)
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x0 = (self.barrelRect.right() + 5) * math.cos(radians)
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y0 = (self.barrelRect.right() + 5) * math.sin(radians)
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x = x0 + velx * time
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y = y0 + vely * time - 0.5 * gravity * time * time
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r = TQRect(0,0,6,6)
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r.moveCenter(TQPoint(x,self.height() - 1 - y))
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return r
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def targetRect(self):
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r = TQRect(0,0,20,10)
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r.moveCenter(TQPoint(self.target.x(),self.height() - 1 - self.target.y()))
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return r
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def barrierRect(self):
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return TQRect(145,self.height() - 100,15,100)
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def barrelHit(self,p):
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mtx = TQWMatrix()
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mtx.translate(0,self.height() - 1)
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mtx.rotate(-self.ang)
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(mtx, invertable) = mtx.invert()
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return self.barrelRect.contains(mtx.map(p))
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def isShooting(self):
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return self.autoShootTimer.isActive()
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def sizePolicy(self):
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return TQSizePolicy(TQSizePolicy.Expanding,TQSizePolicy.Expanding)
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class GameBoard(TQWidget):
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def __init__(self,parent=None,name=None):
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TQWidget.__init__(self,parent,name)
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quit = TQPushButton('&Quit',self,'quit')
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quit.setFont(TQFont('Times',18,TQFont.Bold))
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self.connect(quit,SIGNAL('clicked()'),tqApp,SLOT('quit()'))
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self.angle = LCDRange('ANGLE',self,'angle')
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self.angle.setRange(5,70)
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self.force = LCDRange('FORCE',self,'force')
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self.force.setRange(10,50)
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box = TQVBox(self,'cannonFrame')
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box.setFrameStyle(TQFrame.WinPanel | TQFrame.Sunken)
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self.cannonField = CannonField(box,'cannonField')
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self.connect(self.angle,PYSIGNAL('valueChanged(int)'),self.cannonField.setAngle)
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self.connect(self.cannonField,PYSIGNAL('angleChanged(int)'),self.angle.setValue)
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self.connect(self.force,PYSIGNAL('valueChanged(int)'),self.cannonField.setForce)
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self.connect(self.cannonField,PYSIGNAL('forceChanged(int)'),self.force.setValue)
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self.connect(self.cannonField,PYSIGNAL('hit()'),self.hit)
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self.connect(self.cannonField,PYSIGNAL('missed()'),self.missed)
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self.shoot = TQPushButton('&Shoot',self,'shoot')
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self.shoot.setFont(TQFont('Times',18,TQFont.Bold))
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self.connect(self.shoot,SIGNAL('clicked()'),self.fire)
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self.connect(self.cannonField,PYSIGNAL('canShoot(bool)'),self.shoot,SLOT('setEnabled(bool)'))
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restart = TQPushButton('&New Game',self,'newgame')
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restart.setFont(TQFont('Times',18,TQFont.Bold))
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self.connect(restart,SIGNAL('clicked()'),self.newGame)
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self.hits = TQLCDNumber(2,self,'hits')
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self.shotsLeft = TQLCDNumber(2,self,'shotsleft')
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hitsL = TQLabel('HITS',self,'hitsLabel')
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shotsLeftL = TQLabel('SHOTS LEFT',self,'shotsleftLabel')
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accel = TQAccel(self)
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accel.connectItem(accel.insertItem(TQt.Key_Enter),self.fire)
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accel.connectItem(accel.insertItem(TQt.Key_Return),self.fire)
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accel.connectItem(accel.insertItem(TQt.CTRL + TQt.Key_Q),tqApp,SLOT('quit()'))
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grid = TQGridLayout(self,2,2,10)
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grid.addWidget(quit,0,0)
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grid.addWidget(box,1,1)
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grid.setColStretch(1,10)
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leftBox = TQVBoxLayout()
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grid.addLayout(leftBox,1,0)
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leftBox.addWidget(self.angle)
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leftBox.addWidget(self.force)
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topBox = TQHBoxLayout()
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grid.addLayout(topBox,0,1)
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topBox.addWidget(self.shoot)
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topBox.addWidget(self.hits)
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topBox.addWidget(hitsL)
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topBox.addWidget(self.shotsLeft)
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topBox.addWidget(shotsLeftL)
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topBox.addStretch(1)
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topBox.addWidget(restart)
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self.angle.setValue(60)
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self.force.setValue(25)
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self.angle.setFocus()
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self.newGame()
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def fire(self):
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if self.cannonField.gameOver() or self.cannonField.isShooting():
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return
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self.shotsLeft.display(self.shotsLeft.intValue() - 1)
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self.cannonField.shoot()
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def hit(self):
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self.hits.display(self.hits.intValue() + 1)
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if self.shotsLeft.intValue() == 0:
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self.cannonField.setGameOver()
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else:
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self.cannonField.newTarget()
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def missed(self):
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if self.shotsLeft.intValue() == 0:
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self.cannonField.setGameOver()
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def newGame(self):
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self.shotsLeft.display(15)
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self.hits.display(0)
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self.cannonField.restartGame()
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self.cannonField.newTarget()
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TQApplication.setColorSpec(TQApplication.CustomColor)
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a = TQApplication(sys.argv)
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gb = GameBoard()
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gb.setGeometry(100,100,500,355)
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a.setMainWidget(gb)
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gb.show()
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a.exec_loop()
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