PingPong

http://www.codeskulptor.org/#user40_8httGn2lrS_5.py

# Implementation of classic arcade game Pong @ K.L

import simplegui
import random
import math


# initialize globals - pos and vel encode vertical info for paddles
WIDTH = 600
HEIGHT = 400       
BALL_RADIUS = 20

PAD_WIDTH = 8
PAD_HEIGHT = 80
HALF_PAD_WIDTH = PAD_WIDTH / 2
HALF_PAD_HEIGHT = PAD_HEIGHT / 2

# i don't use them two date i did that easy
LEFT = False
RIGHT = True

ball_pos = [WIDTH /2 , HEIGHT /2]
ball_vel = [0,0]

score1 = 0
score2 = 0
paddle1_pos =  HEIGHT /2
paddle2_pos =  HEIGHT /2 
paddle1_vel = 0
paddle2_vel = 0
acc = 4

# is only one sound fx 
sound_file = "http:///www.tafelrunde.net/hlds/sound/ambience/3dm_bik_ball.wav"


# initialize ball_pos and ball_vel for new bal in middle of table
# if direction is RIGHT, the ball's velocity is upper right, else upper left
def spawn_ball(direction):
    global ball_pos, ball_vel # these are vectors stored as lists
    ball_pos = [WIDTH /2 , HEIGHT /2]
    horizontal	= random.randrange(2, 4)
    vertical	= random.randrange(1, 3)    
    
    if direction  : #Right
        ball_vel = [horizontal,vertical]
        ball_vel[0] *=  1
        ball_vel[1] *= -1 
    else:     		#Left
        ball_vel = [horizontal,vertical]
        ball_vel[0] *= -1 
        ball_vel[1] *= -1 
        
# define event handlers
def new_game():
    global paddle1_pos, paddle2_pos, paddle1_vel, paddle2_vel  # these are numbers
    global score1, score2  # these are ints
    score1 = 0
    score2 = 0
    paddle1_pos =  HEIGHT /2
    paddle2_pos =  HEIGHT /2 
    paddle1_vel = 0
    paddle2_vel = 0
    ball_vel[0] = 1 
    ball_vel[1] = 1 
    spawn_ball(random.randint(0,1))

def reset_button():
    new_game()
        

def draw(canvas):
# draw handler 
    global score1, score2, paddle1_pos, paddle2_pos, ball_pos, ball_vel, paddle1_vel, paddle2_vel
        
    # draw mid line and gutters
    #------------------------------------
    canvas.draw_line([WIDTH / 2, 0],[WIDTH / 2, HEIGHT], 1, "White")
    canvas.draw_line([PAD_WIDTH, 0],[PAD_WIDTH, HEIGHT], 1, "White")
    canvas.draw_line([WIDTH - PAD_WIDTH, 0],[WIDTH - PAD_WIDTH, HEIGHT], 1, "White")
    #------------------------------------    

    
    # Update ball position 
    ball_pos[0] += ball_vel[0] 
    ball_pos[1] += ball_vel[1]   
    
    
    # ball reflect top and bottom
    if ball_pos[1] <=  BALL_RADIUS:
        ball_vel[1] = - ball_vel[1]   
    if ball_pos[1] >= HEIGHT - BALL_RADIUS:
        ball_vel[1] = - ball_vel[1]
        
    # draw ball
    canvas.draw_circle(ball_pos,BALL_RADIUS, 1,"White","White")
    
    #-------------------------------------------------------------- 
    # update paddle's vertical position, keep paddle on the screen
    
    if paddle1_pos + paddle1_vel >= HALF_PAD_HEIGHT  and  paddle1_pos + paddle1_vel <= HEIGHT -HALF_PAD_HEIGHT:
        paddle1_pos += paddle1_vel
    
    if  paddle2_pos + paddle2_vel  >= HALF_PAD_HEIGHT and  paddle2_pos + paddle2_vel <= HEIGHT -HALF_PAD_HEIGHT:
        paddle2_pos += paddle2_vel
    
   
    # draw paddles
    canvas.draw_line([HALF_PAD_WIDTH, paddle1_pos-HALF_PAD_HEIGHT], [HALF_PAD_WIDTH, paddle1_pos+HALF_PAD_HEIGHT], PAD_WIDTH, 'Blue')
    canvas.draw_line([WIDTH-HALF_PAD_WIDTH, paddle2_pos-HALF_PAD_HEIGHT], [WIDTH-HALF_PAD_WIDTH, paddle2_pos+HALF_PAD_HEIGHT], PAD_WIDTH  , 'Blue')
      

    # determine whether paddle and ball collide    
        
        
    # reflect from left side
    if (ball_pos[0]+ ball_vel[0]  <= BALL_RADIUS + PAD_WIDTH+ abs(ball_vel[0])) and (ball_pos[1]  >= paddle1_pos - HALF_PAD_HEIGHT)  and (ball_pos[1] <=  paddle1_pos + HALF_PAD_HEIGHT): 
        ball_vel[0] *=  - 1.1
        ball_vel[1] *=    1.1
        sound.rewind()
        sound.play()
     #   print "paddle1 hit :", paddle1_pos ,ball_pos
    # check the ball if is out the guttere
    elif ball_pos[0]+ball_vel[0] <= BALL_RADIUS + HALF_PAD_WIDTH : 
     ##       print "miss the paddle", paddle1_pos ,paddle1_pos -40,paddle1_pos+40,ball_pos
            if ball_pos[0]<=0 :
                ball_vel[0] = ball_vel[0]
            ball_vel = [0,0] 
            score1 +=1
            
            spawn_ball(RIGHT) 
            
 
    # reflect from right side
    if (ball_pos[0] + ball_vel[0] >= WIDTH - (BALL_RADIUS + PAD_WIDTH + abs(ball_vel[0])) ) and (ball_pos[1]  >= paddle2_pos - HALF_PAD_HEIGHT )  and (ball_pos[1] <=  paddle2_pos + HALF_PAD_HEIGHT): 
        ball_vel[0] *=  -1.1
        ball_vel[1] *=   1.1
        sound.rewind()
        sound.play()
      #  print "paddle1 hit :", paddle2_pos ,ball_pos
        
    elif ball_pos[0]+ ball_vel[0] >= WIDTH - (BALL_RADIUS + HALF_PAD_WIDTH):
      #      print "miss the paddle", paddle2_pos ,paddle2_pos -40,paddle2_pos+40,ball_pos
            if ball_pos[0]>=WIDTH :
                ball_vel[0] = - ball_vel[0]
            ball_vel = [0,0] 
            score2 +=1
            spawn_ball(LEFT) 
                     
   ## extra function if you remove ## you can see            
   # info(canvas)
    
    # draw scores
    canvas.draw_text(str(score1), [130, 100], 70, 'White')
    canvas.draw_text(str(score2), [420, 100], 70, 'White')

    
def keydown(key):
    global paddle1_vel, paddle2_vel, ball_vel, acc
    # acceleration 
    if ball_vel[0] > 5 and   ball_vel[0] < 10:
        acc +=1
    else:
        acc = 4
    #---------------    
    if key == simplegui.KEY_MAP["down"]:
        paddle2_vel =  acc       
    elif key == simplegui.KEY_MAP["up"]:
        paddle2_vel =  -acc
    
    if key == simplegui.KEY_MAP["s"]:
        paddle1_vel =  acc 
    elif key == simplegui.KEY_MAP["w"]:        
        paddle1_vel = - acc    
       
        
    
def keyup(key):
    global paddle1_vel, paddle2_vel
    acc = 0
    if key == simplegui.KEY_MAP["down"]or key == simplegui.KEY_MAP["up"]:
        paddle2_vel = acc

    if key == simplegui.KEY_MAP["s"] or key == simplegui.KEY_MAP["w"]:
        paddle1_vel = acc

        
#------------------------------------------------------------------------------

def info(canvas):
# display extra information                 
##################################################################    
    #ball_pos[600,400]
    #ball_pos = [WIDTH , HEIGHT]
    canvas.draw_line([0,ball_pos[1]], [600,ball_pos[1]], 2  , 'Red')
    canvas.draw_line([ball_pos[0],0], [ball_pos[0],400], 2  , 'Red')
    
    canvas.draw_line( [(ball_pos[0]+(ball_vel[0]*100)),(ball_pos[1]+(ball_vel[1]*100))],ball_pos, 2  , 'Orange')

    canvas.draw_text("Ball pos x : " + str(ball_pos[0]), [100, 305], 15, 'Yellow')
    canvas.draw_text("Ball pos y : " + str(ball_pos[1]), [100, 320], 15, 'Yellow')
    canvas.draw_text("Ball vel " + str(ball_vel), [100, 335], 15, 'Yellow')
    canvas.draw_text("Paddle1 pos : " + str(paddle1_pos), [400, 320], 15, 'Yellow')
    canvas.draw_text("Paddle1 vel " + str(paddle1_vel), [400, 335], 15, 'Yellow')
    canvas.draw_text("Paddle2 pos : " + str(paddle2_pos), [400, 350], 15, 'Yellow')
    canvas.draw_text("Paddle2 vel " + str(paddle2_vel), [400, 365], 15, 'Yellow')
   # print "Paddle pos:", paddle2_pos ,paddle2_pos -40,paddle2_pos+40,"Ball pos:",ball_pos
 
###################################################################

    
    
    
# create frame
frame = simplegui.create_frame("The Pong Game", WIDTH, HEIGHT)
frame.set_draw_handler(draw)
frame.set_keydown_handler(keydown)
frame.set_keyup_handler(keyup)
frame.add_button("Reset",reset_button,100)


sound = simplegui.load_sound(sound_file)
sound.set_volume(0.7)

# start frame
new_game()
frame.start()