class Enemy02(ShipObj):
movStep = 0.4
shipSpriteSheet = None
imgs = []
def __init__(self, spawn, x, y, scrW, scrH, shipID, isHitable):
super(Enemy02, self).__init__(spawn, isHitable, shipID)
self.HP = 20
self.__explosion = Explosion(0, 0, Explosion.EXPLOSION01_TYPE)
self.__fire = ShipFire(0, 0, ShipFire.SHIPFIRE02_TYPE)
self.state = Enemy02.ALIVE
self.__lastBtnReleased = True
self.__isShooting = False
self.__scrW = scrW
self.__scrH = scrH
self.__shipRect = None
self.__curFrameIndex = 0
if not Enemy02.shipSpriteSheet:
Enemy02.shipSpriteSheet = SpriteSheet("res/img/enemyship02.png")
if not Enemy02.imgs:
for frames in shipFrames:
Enemy02.imgs.append(Enemy02.shipSpriteSheet.getFrame(*frames))
self.setShipFrame(0)
self.setPos(x, y)
self.__shipAnimTimer = pygame.time.get_ticks()
self.__shootingTimer = pygame.time.get_ticks()
self.setupBulletPool(Bullet.BULLET02_TYPE, scrW, scrH, 10)
# Set the moving area of the spaceship
self.setRandomDestRange(scrW // 2, 45, scrW - self.getRect().width,
scrH - 5)
# Select a random spot within the moving area as the flying destination
self.generateRandomDest()
self.__randStep = Enemy02.movStep + random.randint(0, 200) / 1000
def setShipFrame(self, frameIndex):
self.__shipImg = Enemy02.imgs[frameIndex]
self.__shipRect = self.__shipImg.get_rect()
def setPos(self, x, y):
self.__shipRect.centerx = int(x)
self.__shipRect.centery = int(y)
self.__fire.setPos(
self.__shipRect.right + (self.__fire.getRect().width // 2),
self.__shipRect.centery)
super(Enemy02, self).setPos(x, y)
def update(self):
if self.state != Enemy02.ALIVE:
if self.state == Enemy02.EXPLODE:
if not self.__explosion.isExpired():
self.__explosion.update()
else:
self.state = Enemy02.WASTED
return
self.animateShip()
self.__fire.update()
if self.isDestReached():
self.generateRandomDest()
# Fly with different speed
self.__randStep = Enemy02.movStep + random.randint(0, 200) / 1000
else:
self.moveToDest(self.__randStep)
self.setPos(self.x, self.y)
self.shoot()
def render(self, surf):
if self.state == Enemy02.ALIVE:
self.__fire.render(surf)
surf.blit(self.__shipImg, (self.__shipRect.x, self.__shipRect.y))
elif self.state == Enemy02.EXPLODE:
self.__explosion.render(surf)
def animateShip(self):
if pygame.time.get_ticks() - self.__shipAnimTimer > 70:
self.setShipFrame(self.__curFrameIndex)
self.__curFrameIndex += 1
self.__curFrameIndex %= len(Enemy02.imgs)
self.__shipAnimTimer = pygame.time.get_ticks()
def shoot(self):
if pygame.time.get_ticks() - self.__shootingTimer > 300:
if random.randint(0, 5) == 0:
bullet = self.getBulletFromPool()
if bullet:
bullet.setMovement(-1.0, 0, 1.5)
bullet.setPos(
self.__shipRect.left - (bullet.getRect().width // 2),
self.__shipRect.centery)
Enemy02.spawnMan.addEnemyBullet(bullet)
self.__shootingTimer = pygame.time.get_ticks()
def isExpired(self):
return self.state == Enemy02.WASTED
def getRect(self):
return self.__shipRect
def getDamage(self):
return -20
def setExplosion(self):
self.state = Enemy02.EXPLODE
self.__explosion.setPos(self.x, self.y)
audio.playSoundEffect('eexp.wav')
def getReward(self):
return 20
class Enemy01(ShipObj):
movStep = 1.0
shipSpriteSheet = None
imgs = []
def __init__(self, spawn, x, y, scrW, scrH, shipID, isHitable):
super(Enemy01, self).__init__(spawn, isHitable, shipID)
self.HP = 10
self.__explosion = Explosion(0, 0, Explosion.EXPLOSION01_TYPE)
self.__fire = ShipFire(0, 0, ShipFire.SHIPFIRE02_TYPE)
self.state = Enemy01.ALIVE
self.__lastBtnReleased = True
self.__isShooting = False
self.__scrW = scrW
self.__scrH = scrH
self.__shipRect = None
self.__curFrameIndex = 0
if not Enemy01.shipSpriteSheet:
Enemy01.shipSpriteSheet = SpriteSheet("res/img/enemyship01.png")
if not Enemy01.imgs:
for frames in shipFrames:
Enemy01.imgs.append(Enemy01.shipSpriteSheet.getFrame(*frames))
self.setShipFrame(0)
self.setPos(x, y)
self.__shipAnimTimer = pygame.time.get_ticks()
self.setupBulletPool(Bullet.BULLET02_TYPE, scrW, scrH, 10)
self.setRandomDestRange(scrW // 3, 45, scrW - self.getRect().width,
scrH - 5)
self.generateRandomDest()
# Make sure the space ship always fly towards the
# left edge of the screen.
self.destX = -((self.getRect().width // 2) + 5)
self.calcMoveSteps()
self.__randStep = Enemy01.movStep + random.randint(0, 200) / 1000
def setShipFrame(self, frameIndex):
self.__shipImg = Enemy01.imgs[frameIndex]
self.__shipRect = self.__shipImg.get_rect()
def setPos(self, x, y):
self.__shipRect.centerx = int(x)
self.__shipRect.centery = int(y)
self.__fire.setPos(
self.__shipRect.right + (self.__fire.getRect().width // 2),
self.__shipRect.centery)
super(Enemy01, self).setPos(x, y)
def update(self):
if self.state != Enemy01.ALIVE:
if self.state == Enemy01.EXPLODE:
if not self.__explosion.isExpired():
self.__explosion.update()
else:
self.state = Enemy01.WASTED
return
self.animateShip()
self.__fire.update()
if not self.isDestReached():
self.moveToDest(self.__randStep)
self.setPos(self.x, self.y)
# Remove itself from the game scene if it flies beyond the left
# edge of the screen.
if self.__shipRect.right <= 0 or \
self.__shipRect.top >= self.__scrH or \
self.__shipRect.bottom <= 0:
self.state = Enemy01.WASTED
def render(self, surf):
if self.state == Enemy01.ALIVE:
self.__fire.render(surf)
surf.blit(self.__shipImg, (self.__shipRect.x, self.__shipRect.y))
elif self.state == Enemy01.EXPLODE:
self.__explosion.render(surf)
def animateShip(self):
if pygame.time.get_ticks() - self.__shipAnimTimer > 70:
self.setShipFrame(self.__curFrameIndex)
self.__curFrameIndex += 1
self.__curFrameIndex %= len(Enemy01.imgs)
self.__shipAnimTimer = pygame.time.get_ticks()
def isExpired(self):
return self.state == Enemy01.WASTED
def getRect(self):
return self.__shipRect
def getDamage(self):
return -20
def setExplosion(self):
self.state = Enemy01.EXPLODE
self.__explosion.setPos(self.x, self.y)
audio.playSoundEffect('eexp.wav')
def getReward(self):
return 10
class Enemy03(ShipObj):
movStep = 1.5
shipSpriteSheet = None
imgs = []
def __init__(self, spawn, x, y, scrW, scrH, shipID, isHitable, shiftPhase):
super(Enemy03, self).__init__(spawn, isHitable, shipID)
self.HP = 5
self.__explosion = Explosion(0, 0, Explosion.EXPLOSION01_TYPE)
self.__fire = ShipFire(0, 0, ShipFire.SHIPFIRE02_TYPE)
self.state = Enemy03.ALIVE
self.__lastBtnReleased = True
self.__isShooting = False
self.__scrW = scrW
self.__scrH = scrH
self.__shipRect = None
self.__curFrameIndex = 0
self.__originY = y
# Shift the phase or offset of the sine wave so that 2 rockets can
# travel in opposite direction
self.__degree = 180 if shiftPhase else 0
if not Enemy03.shipSpriteSheet:
Enemy03.shipSpriteSheet = SpriteSheet("res/img/enemyship03.png")
if not Enemy03.imgs:
for frames in shipFrames:
Enemy03.imgs.append(Enemy03.shipSpriteSheet.getFrame(*frames))
self.setShipFrame(0)
self.setPos(x, y)
self.__shipAnimTimer = pygame.time.get_ticks()
self.setupBulletPool(Bullet.BULLET02_TYPE, scrW, scrH, 10)
def setShipFrame(self, frameIndex):
self.__shipImg = Enemy03.imgs[frameIndex]
self.__shipRect = self.__shipImg.get_rect()
def setPos(self, x, y):
self.__shipRect.centerx = int(x)
self.__shipRect.centery = int(y)
self.__fire.setPos(
self.__shipRect.right + (self.__fire.getRect().width // 2),
self.__shipRect.centery)
super(Enemy03, self).setPos(x, y)
def update(self):
if self.state != Enemy03.ALIVE:
if self.state == Enemy03.EXPLODE:
if not self.__explosion.isExpired():
self.__explosion.update()
else:
self.state = Enemy03.WASTED
return
self.animateShip()
self.__fire.update()
# Sine wave flying motion
self.setPos(
self.x - Enemy03.movStep, self.__originY +
(sincoslookup.sinLookupTbl[self.__degree] * FLYING_SINE_AMPLITUDE))
self.__degree += 1
if self.__degree >= 360:
self.__degree = 0
# Remove itself from the game scene if it flies beyond the left
# edge of the screen.
if self.__shipRect.right <= 0:
self.state = Enemy03.WASTED
def render(self, surf):
if self.state == Enemy03.ALIVE:
self.__fire.render(surf)
surf.blit(self.__shipImg, (self.__shipRect.x, self.__shipRect.y))
elif self.state == Enemy03.EXPLODE:
self.__explosion.render(surf)
def animateShip(self):
if pygame.time.get_ticks() - self.__shipAnimTimer > 70:
self.setShipFrame(self.__curFrameIndex)
self.__curFrameIndex += 1
self.__curFrameIndex %= len(Enemy03.imgs)
self.__shipAnimTimer = pygame.time.get_ticks()
def isExpired(self):
return self.state == Enemy03.WASTED
def getRect(self):
return self.__shipRect
def getDamage(self):
return -20
def setExplosion(self):
self.state = Enemy03.EXPLODE
self.__explosion.setPos(self.x, self.y)
audio.playSoundEffect('eexp.wav')
def getReward(self):
return 25
