CSC111 Programs for Week 11 2015

--D. Thiebaut (talk) 12:50, 13 April 2015 (EDT)

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Aqarium.py (with bubbles)

# aquarium.gif
# D. Thiebaut
from graphics import *
import random

WIDTH  = 700 # geometry of tank2.gif
HEIGHT = 517

class Fish:

    def __init__( self, fileNm, xx, yy ):
        self.fileName = fileNm
        self.x = xx
        self.y = yy
        self.image = Image( Point( xx, yy ), fileNm )
            
    def draw( self, win ):
        self.image.draw( win )
        
    def moveRandom( self ):
        deltax = - random.randrange( 10 )
        deltay = random.randrange( -3, 3 )
        self.image.move( deltax, deltay )
        x = self.image.getAnchor().getX()
        if x < -50:
            self.image.move( WIDTH+100, 0 )
            
class Bubble:
    def __init__( self, center ):
        self.circ = Circle( center, random.randrange(5, 15) )
        self.circ.setOutline( "white" )

    def draw( self, win ):
        self.circ.draw( win )
        
    def moveRandom( self ):
        deltaX = random.randrange( -3, 3 )
        deltaY = random.randrange( -5, 0 )
        self.circ.move( deltaX, deltaY )
        
        # make bubbles wrap around...
        if self.circ.getCenter().getY() < 0:
            self.circ.move( 0, HEIGHT+50 )
        
def main():
    # open the window
    win = GraphWin( "CSC Aquarium", WIDTH, HEIGHT )

    # display background
    background = Image( Point( WIDTH//2, HEIGHT//2 ), "tank2.gif" )
    background.draw( win )

    fishList = []
    for i in range( 4 ):
        fish = Fish( "fish0.gif", i*100, 350 )
        fish.draw( win )
        fishList.append( fish )

    # animation loop
  
    bubbles = []
    while True:

        # move all fish
        for fish in fishList:
            fish.moveRandom()

        # new bubble?
        p = win.checkMouse()    # did the user click the mouse?
        if p != None:           # None means no, a real Point means yes
            b = Bubble( p )     # create a new bubble
            b.draw( win )       # draw it
            bubbles.append( b ) # add it to the list of bubbles

        # move bubbles
        for b in bubbles:
            b.moveRandom()
    
    win.close()
    
main()