CSC111 Homework 9 2018
D. Thiebaut (talk) 17:12, 8 April 2018 (EDT)
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Solution Programs
Part 1
# wheel1.py # D. Thiebaut # a skeleton program to get started with the graphics # from graphics import * import random import tkcolors # define geometry (constants) WIDTH = 700 HEIGHT = 600 class Wheel: """a Wheel is 2 concentric circles, the larger one black, the smaller one grey.""" def __init__(self, centr, rad1, rad2 ): # make circ1 the smaller of the 2 circles self.circ1 = Circle( centr, min( rad1, rad2 ) ) self.circ2 = Circle( centr, max( rad1, rad2 ) ) self.circ1.setFill( "grey" ) self.circ2.setFill( "black" ) def draw( self, win ): self.circ2.draw( win ) self.circ1.draw( win ) def move( self, dx, dy ): self.circ1.move( dx, dy ) self.circ2.move( dx, dy ) class Car: """a class containing a rectangle and 2 wheels, forming a simple car""" def __init__( self, refPoint ): # create rectangle self.width = 60 self.height = 20 self.radius = 10 P1 = refPoint xP1 = P1.getX() yP1 = P1.getY() xP2 = xP1 + self.width yP2 = yP1 + self.height P2 = Point( xP2, yP2 ) self.body = Rectangle( P1, P2 ) self.body.setFill( random.choice( tkcolors.colors ) ) P3 = Point( xP1+self.width//4, yP1 ) P4 = Point( xP1+self.width*3//4, yP1-self.height//2 ) self.top = Rectangle( P3, P4 ) self.top.setFill( random.choice( tkcolors.colors ) ) # create the Wheels self.w1 = Wheel( Point( xP1+self.width//4, yP1+self.height ), self.radius//2, self.radius ) self.w2 = Wheel( Point( xP1++self.width*3//4, yP1+self.height ), self.radius//2, self.radius ) # set the initial speed self.dx = 1 self.dy = 0 def setSpeed( self, deltaX, deltaY ): self.dx = deltaX self.dy = deltaY def draw( self, win ): self.w1.draw( win ) self.body.draw( win ) self.w2.draw( win ) self.top.draw( win ) def autoMove( self ): self.w1.move( self.dx, self.dy ) self.w2.move( self.dx, self.dy ) self.body.move( self.dx, self.dy ) def reverseDirection( self ): self.dx = -self.dx def getX( self ): return self.body.getP1().getX() #---------------------------------------------------------------- def waitForClick( win, message ): """ waitForClick: stops the GUI and displays a message. Returns when the user clicks the window. The message is erased.""" # wait for user to click mouse to start startMsg = Text( Point( win.getWidth()/2, win.getHeight()/2 ), message ) startMsg.draw( win ) # display message win.getMouse() # wait startMsg.undraw() # erase def main(): global W, H win = GraphWin( "Wrapping Paper", WIDTH, HEIGHT ) win.setBackground( "lightblue" ) #waitForClick( win, "click to start" ) cars = [] for x in range( 10, WIDTH, 78 ): for y in range( 20, HEIGHT, 50 ): car1 = Car( Point( x, y ) ) car1.draw( win ) cars.append( car1 ) Banner = Rectangle( Point( WIDTH//2-200, HEIGHT//2-40 ), Point( WIDTH//2+200, HEIGHT//2+40 ) ) Banner.setFill( "white" ) Banner.draw( win ) BannerText = Text( Point( WIDTH//2, HEIGHT//2 ), "CSC111 HOMEWORK 10" ) BannerText.setSize( 30 ) BannerText.draw( win ) waitForClick( win, "" ) win.close() main()
Part 2
# homework 10 # D. Thiebaut from graphics import GraphicsWindow from random import seed from random import randrange MAXWIDTH = 800 MAXHEIGHT = 600 class Circle2: def __init__( self, x, y, diameter, color ): self._x = x self._y = y self._diameter= diameter self._color = color # list of 3 ints between 0 and 255 def draw( self, canvas ): xAnchor = self._x-self._diameter//2 yAnchor = self._y-self._diameter//2 canvas.setFill( self._color[0], self._color[1], self._color[2] ) canvas.drawOval( xAnchor, yAnchor, self._diameter, self._diameter ) class Wheel: def __init__( self, x, y, diameter ): self._c1 = Circle2( x, y, diameter, ( 0,0,0 ) ) self._c2 = Circle2( x, y, diameter/2, ( 200, 200, 200 ) ) def draw( self, canvas ): self._c1.draw( canvas ) self._c2.draw( canvas ) class Rectangle: def __init__( self, x, y, width, height, color ): self._x = x self._y = y self._width = width self._height = height self._color = color # list of 3 ints between 0 and 255 def setRandomColor( self ): r = randrange( 256 ) g = randrange( 256 ) b = randrange( 256 ) self._color = (r, g, b ) def draw( self, canvas ): canvas.setFill( self._color[0], self._color[1], self._color[2] ) canvas.drawRect( self._x, self._y, self._width, self._height ) class Car: def __init__( self, x, y, width, height, color ): self._x = x self._y = y self._width = width self._height = height self._color = color # list of 3 ints between 0 and 255 # build the body self._top = Rectangle( x+width//4, y-height//2, width//2, height//2, color ) self._body = Rectangle( x, y, width, height, color ) # build the wheels self._w1 = Wheel( x + width//4, y + height, width//5 ) self._w2 = Wheel( x + 3*width//4, y + height, width//5 ) def setRandomColor( self ): self._top.setRandomColor() self._body.setRandomColor() def getTotalHeight( self ): return self._height*2 + self._width//10 def getTotalWidth( self ): return self._width def draw( self, canvas ): self._body.draw( canvas ) self._top.draw( canvas ) self._w1.draw( canvas ) self._w2.draw( canvas ) class Truck: def __init__( self, x, y, width, color ): self._x = x self._y = y self._width = width height = 5 * width//14 self._height = height self._color = color # list of 3 ints between 0 and 255 # build the body self._top = Rectangle( x+ 9* width//14, y-height, width*5//14, height, color ) self._window = Rectangle( x+ 10* width//14, y-4*height//5, width*4//14, 4*height//5, (0, 0, 0 ) ) self._body = Rectangle( x, y, width, height, color ) # build the wheels self._w1 = Wheel( x + 2*width//14, y + 13*height//10, 3*height//5 ) self._w2 = Wheel( x + 11*width//14, y + height, width//2 ) def getTotalHeight( self ): return self._height*2 + self._width//2 def getTotalWidth( self ): return self._width def setRandomColor( self ): self._top.setRandomColor() self._body.setRandomColor() def draw( self, canvas ): self._body.draw( canvas ) self._top.draw( canvas ) self._window.draw( canvas ) self._w1.draw( canvas ) self._w2.draw( canvas ) def main(): seed() win = GraphicsWindow(MAXWIDTH, MAXHEIGHT) canvas = win.canvas() canvas.setBackground( 0, 250, 250 ) carWidth = 90 carHeight = 25 oddEven = True for y in range( 0, MAXHEIGHT, carHeight*2 ):#+20 ): for x in range( 0, MAXWIDTH, carWidth+10 ): if oddEven: c = Car( x, y, carWidth, carHeight, ( 0, 0, 0 ) ) else: c = Truck( x, y, carWidth, (0, 0, 0 ) ) c.setRandomColor() c.draw( canvas ) #oddEven = not oddEven banner = Rectangle( MAXWIDTH//3, 2*MAXHEIGHT//5, MAXWIDTH//3, MAXHEIGHT//5, (255, 255, 255 ) ) banner.draw( canvas ) canvas.setTextFont( 'arial', 40, 'bold' ) canvas.drawText( MAXWIDTH//3+10, 2*MAXHEIGHT//5+30, "Happy Easter" ) win.wait() win.close() main()
Problem 3
# hw9_3.py # D. Thiebaut # Takes an image that is 480x240, with the left half # containing the photo of a person, and replicates it # on the right half (where a smiley appears), flips it # horizontally, and make it black and white. from graphics import * from random import * WIDTH = 480 # width and height for pres.gif HEIGHT = 240 def copyAndFlip( img, win, srcX, srcY, destX, destY, w, h ): '''copy the left half over the right half, and flips it at the same time''' x2 = destX+w for x in range( srcX, srcX+w ): y2 = destY win.update() for y in range( srcY, srcY+h ): r,g,b = img.getPixel( x, y ) img.setPixel( x2, y2, color_rgb( r, g, b ) ) y2 += 1 x2 -= 1 def makeBW( img, win, srcX, srcY, w, h ): '''change the right side of the image to b&w ''' for x in range( srcX, srcX+w ): win.update() for y in range( srcY, srcY+h ): r,g,b = img.getPixel( x, y ) bw = int(0.3 * r + 0.6 * g + 0.11 * b) img.setPixel( x, y, color_rgb( bw, bw, bw ) ) def main(): # open the window win = GraphWin( "CSC111 Image Viewer", WIDTH, HEIGHT ) # get the file name from the user fileName = "pres.gif" print() # open the cat image pres = Image( Point(WIDTH//2, HEIGHT//2), fileName ) pres.draw( win ) # change the pixels to max red copyAndFlip( pres, win, 0, 0, 240, 0, 240, 240) # show image after change win.update() # show image after change makeBW( pres, win, 240, 0, 240, 240 ) win.update() # add label label = Text( Point( WIDTH//2, HEIGHT-30 ), "Mickey Mouse" ) label.setFill( "white" ) label.draw( win ) # wait for user to click the mouse... win.getMouse() # and close the window win.close() main()
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