/demo_dodger.py

  1# Pygcurse Dodger
  2# By Al Sweigart al@inventwithpython.com
  3
  4# This program is a demo for the Pygcurse module.
  5# Simplified BSD License, Copyright 2011 Al Sweigart
  6
  7import pygame, random, sys, time, pygcurse
  8from pygame.locals import *
  9
 10GREEN = (0, 255, 0)
 11BLACK = (0,0,0)
 12WHITE = (255,255,255)
 13RED = (255,0,0)
 14
 15WINWIDTH = 40
 16WINHEIGHT = 50
 17TEXTCOLOR = WHITE
 18BACKGROUNDCOLOR = (0, 0, 0)
 19FPS = 40
 20BADDIEMINSIZE = 1
 21BADDIEMAXSIZE = 5
 22BADDIEMINSPEED = 4
 23BADDIEMAXSPEED = 1
 24ADDNEWBADDIERATE = 3
 25
 26win = pygcurse.PygcurseWindow(WINWIDTH, WINHEIGHT, fullscreen=False)
 27pygame.display.set_caption('Pygcurse Dodger')
 28win.autoupdate = False
 29
 30def main():
 31    showStartScreen()
 32    pygame.mouse.set_visible(False)
 33    mainClock = pygame.time.Clock()
 34    gameOver = False
 35
 36    newGame = True
 37    while True:
 38        if gameOver and time.time() - 4 > gameOverTime:
 39            newGame = True
 40        if newGame:
 41            newGame = False
 42            pygame.mouse.set_pos(win.centerx * win.cellwidth, (win.bottom - 4) * win.cellheight)
 43            mousex, mousey = pygame.mouse.get_pos()
 44            cellx, celly = win.getcoordinatesatpixel(mousex, mousey)
 45            baddies = []
 46            baddieAddCounter = 0
 47            gameOver = False
 48            score = 0
 49
 50        win.fill(bgcolor=BLACK)
 51
 52        for event in pygame.event.get():
 53            if event.type == QUIT or (event.type == KEYDOWN and event.key == K_ESCAPE):
 54                terminate()
 55            if event.type == MOUSEMOTION and not gameOver:
 56                mousex, mousey = event.pos
 57                cellx, celly = win.getcoordinatesatpixel(mousex, mousey)
 58
 59        # add new baddies if needed
 60        if baddieAddCounter == ADDNEWBADDIERATE:
 61            speed = random.randint(BADDIEMAXSPEED, BADDIEMINSPEED)
 62            baddies.append({'size': random.randint(BADDIEMINSIZE, BADDIEMAXSIZE),
 63                            'speed': speed,
 64                            'x': random.randint(0, win.width),
 65                            'y': -BADDIEMAXSIZE,
 66                            'movecounter': speed})
 67            baddieAddCounter = 0
 68        else:
 69            baddieAddCounter += 1
 70
 71
 72        # move baddies down, remove if needed
 73        for i in range(len(baddies)-1, -1, -1):
 74            if baddies[i]['movecounter'] == 0:
 75                baddies[i]['y'] += 1
 76                baddies[i]['movecounter'] = baddies[i]['speed']
 77            else:
 78                baddies[i]['movecounter'] -= 1
 79
 80            if baddies[i]['y'] > win.height:
 81                del baddies[i]
 82
 83
 84        # check if hit
 85        if not gameOver:
 86            for baddie in baddies:
 87                if cellx >= baddie['x'] and celly >= baddie['y'] and cellx < baddie['x']+baddie['size'] and celly < baddie['y']+baddie['size']:
 88                    gameOver = True
 89                    gameOverTime = time.time()
 90                    break
 91            score += 1
 92
 93        # draw baddies to screen
 94        for baddie in baddies:
 95            win.fill('#', GREEN, BLACK, (baddie['x'], baddie['y'], baddie['size'], baddie['size']))
 96
 97        if not gameOver:
 98            playercolor = WHITE
 99        else:
100            playercolor = RED
101            win.putchars('GAME OVER', win.centerx-4, win.centery, fgcolor=RED, bgcolor=BLACK)
102
103        win.putchar('@', cellx, celly, playercolor)
104        win.putchars('Score: %s' % (score), win.width - 14, 1, fgcolor=WHITE)
105        win.update()
106        mainClock.tick(FPS)
107
108
109def showStartScreen():
110    while checkForKeyPress() is None:
111        win.fill(bgcolor=BLACK)
112        win.putchars('Pygcurse Dodger', win.centerx-8, win.centery, fgcolor=TEXTCOLOR)
113        if int(time.time() * 2) % 2 == 0: # flashing
114            win.putchars('Press a key to start!', win.centerx-11, win.centery+1, fgcolor=TEXTCOLOR)
115        win.update()
116
117
118def checkForKeyPress():
119    # Go through event queue looking for a KEYUP event.
120    # Grab KEYDOWN events to remove them from the event queue.
121    for event in pygame.event.get([KEYDOWN, KEYUP]):
122        if event.type == KEYDOWN:
123            continue
124        if event.key == K_ESCAPE:
125            terminate()
126        return event.key
127    return None
128
129
130def terminate():
131    pygame.quit()
132    sys.exit()
133
134if __name__ == '__main__':
135    main()