curses-paddle-test1

#!/usr/local/bin/python

"""
A paddle, 6 balls bouncing around and 4 boxes
=====================================================================
tested with python 2.3 - 2.7
www.peileppe.com

"""

import curses
import time

w=curses.initscr()
w.clear()
yy, xx=w.getmaxyx()
w.keypad(1)
w.nodelay(1)

little_box = [40,7,50,9,'*']
big_box=[1,1,xx-2,yy-2,'#']

def display_box(bx,ws=w):
    x,y,x1,y1,char=bx
    if x<1:
     x=1
    if x1>xx-2:
     x1=xx-2
    if y<1:
     y=1
    if y1>yy-2:
     y1=yy-2
    for i in range(x,x1):
        ws.addch(y,i,char)
    for i in range(x,x1):
        ws.addch(y1,i,char)
    for i in range(y,y1+1):
        ws.addch(i,x,char)
        ws.addch(i,x1,char)
    ws.addch(y,x,"+")
    ws.addch(y,x1,"+")
    ws.addch(y1,x,"+")
    ws.addch(y1,x1,"+")
    return

def display_box_filled(bx,ws=w):
    x,y,x1,y1,char=bx
    if x<1:
     x=1
    if x1>xx-2:
     x1=xx-2
    if y<1:
     y=1
    if y1>yy-2:
     y1=yy-2
    for iy in range(y,y1+1):
     for jx in range(x,x1):
        ws.addch(iy,jx,char)
    return

def bouncing_ball(ball,ws):
    dir_x = ball[2]
    dir_y = ball[3]
    new_x = ball[0]+dir_x
    new_y = ball[1]+dir_y
    sane = 0
    while ws.inch(new_y,new_x) != ord(' ') and sane < 2 :
        if sane % 2 != 0:
            dir_x = -dir_x
        else:
            dir_y = -dir_y
        new_x = ball[0]+dir_x
        new_y = ball[1]+dir_y
        sane += 1
    ws.addch(ball[1],ball[0],' ')
    ws.addch(new_y,new_x,ball[4])
    ball[0]=new_x
    ball[1]=new_y
    ball[2]=dir_x
    ball[3]=dir_y


display_box_filled(little_box,w)
display_box(big_box,w)

b1 = [30,17,35,19,';']
b2 = [20,17,25,19,':']
b3 = [10,17,15,19,'?']
b4 = [40,17,45,19,'+']
b5 = [50,17,55,19,'=']

boxes = [b1,b2,b3, b4, b5]

for bx in boxes:
 display_box(bx,w)

w.move(0,0)

action = ''
dir_x = 1
dir_y = 1
ball1 = [4,4, dir_x, dir_y,'@']
ball2 = [8,2, dir_x, dir_y,'o']
ball3 = [20,2, dir_x, dir_y,'O']
ball4 = [21,3, dir_x,dir_y,'X']
ball5 = [22,6, dir_x,dir_y,'x']
ball6 = [24,8, dir_x,dir_y,'#']
balls = [ball1,ball2,ball3,ball4, ball5, ball6]

draw_char=' '
exit_loop=False

w.timeout(100)
while exit_loop==False:
 action=w.getch()
 for b in balls:
  bouncing_ball(b,w)
 ghost_box = little_box[:]
 ax =little_box[0] ;  ay =little_box[1]
 ax1=little_box[2] ;  ay1=little_box[3]
 ox = ghost_box[0] ;  oy = ghost_box[1]
 ox1= ghost_box[2] ;  oy1= ghost_box[3]
 if action == curses.KEY_UP and ay > 2:
  ay -= 1 ; ay1 -= 1
 elif action == curses.KEY_DOWN and ay < yy-3:
  ay += 1 ; ay1 += 1
 elif action == curses.KEY_RIGHT and ax < xx-3:
  ax += 1 ; ax1 += 1
 elif action == curses.KEY_LEFT and ax > 2:
  ax -= 1 ; ax1 -= 1
 elif action == ord('q') or action == 27 :
  exit_loop=True

 ghost_box[0]=ox ; ghost_box[1]=oy
 ghost_box[2]=ox1; ghost_box[3]=oy1
 ghost_box[4]=' '
 display_box_filled(ghost_box,w)

 little_box[0]=ax ; little_box[1]=ay
 little_box[2]=ax1; little_box[3]=ay1
 little_box[4]='*'
 display_box_filled(little_box,w)
 w.move(yy-1,xx-1)
 w.refresh()

curses.endwin()