Contents

  1. animate.py
  2. circleShiftAnim.py
  3. circleShift.py
  4. fenway.py
  5. tictactoe.py
  6. userDraw.py

animate.py 1/6

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# Simple demonstration of animation.
# by Sara Sprenkle

from graphics import *
from time import sleep

STEPS = 100

w = GraphWin("Simple Animation", 400, 400)
w.setBackground("orange")

# creating a blue circle on the left side of the window
current = Point(60,60)
circ = Circle(current, 50)
circ.setFill("blue")
circ.draw(w)

# animate moving the circle to the right side of the window
end = w.getWidth()
dx = (end - current.getX())/STEPS

for step in range(STEPS):
    circ.move(dx, 0)
    sleep(.1)

w.getMouse()


circleShiftAnim.py 2/6

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# Animate moving a circle to the position clicked by the user 5 times
# by CSCI 111, 09.26.2012

from graphics import *
from time import sleep

CIRCLE_RADIUS = 50

STEPS = 50

win = GraphWin("Circle Shift", 500, 500)

# Give instructions to the user
anchorPoint = Point(win.getWidth()/2, 10)
instruction = Text(anchorPoint, "Click where you want your circle to go.")
instruction.draw(win)

# create the initial circle in the center of the window and draw it
midPoint = Point(win.getWidth()/2, win.getHeight()/2)
circle = Circle( midPoint, CIRCLE_RADIUS)
circle.draw(win)

for n in range(5):
    # get the user input--the mouse click
    point2 = win.getMouse()
        
    # compute the change in X and the change in Y
    changeInX = point2.getX() - circle.getCenter().getX()
    changeInY =  point2.getY() - circle.getCenter().getY()
    
    # figure out the increments of change in x and y
    incrementX = changeInX/STEPS
    incrementY = changeInY/STEPS
    
    # animate the moving of the circle, in STEPS increments
    for s in range(STEPS):
        circle.move(incrementX, incrementY)
        sleep(.05)
    
# update the user's instructions
instruction.setText("Click to close")

win.getMouse()
win.close()

circleShift.py 3/6

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# Move a circle to the position clicked by the user 5 times
# by CSCI 111

from graphics import *

CIRCLE_RADIUS = 50

win = GraphWin("Circle Shift", 500, 500)

# Give instructions to the user
anchorPoint = Point(win.getWidth()/2, 10)
instruction = Text(anchorPoint, "Click where you want your circle to go.")
instruction.draw(win)

# create the initial circle in the center of the window and draw it
midPoint = Point(win.getWidth()/2, win.getHeight()/2)
circle = Circle( midPoint, CIRCLE_RADIUS)
circle.draw(win)

for n in range(5):
    # get the user input--the mouse click
    point2 = win.getMouse()
    
    # move the circle to where the user clicked
    changeInX = point2.getX() - circle.getCenter().getX()
    changeInY =  point2.getY() - circle.getCenter().getY()
    
    circle.move(changeInX, changeInY)

# update the user's instructions
instruction.setText("Click to close")

win.getMouse()
win.close()

fenway.py 4/6

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"""
 How hard do you have to hit a baseball to hit it over 
 the Green Monster at Fenway Park? Run this program to test 
 your guesses.

 Author: Andrew Danner, 09.20.2007
"""

from graphics import *
from time import sleep
from math import *

MPH2FPS = 5280.0/3600. #conversion from mph to fps
DEG2RAD = pi/180.0 #conversion from degrees to radians
GRAVITY = 32  #gravity in ft/s^2
NUM_STEPS = 70

def main():
  print("How hard do you have to hit a baseball to hit it over")
  print("the Green Monster at Fenway Park?")
  print("Run this program to test your guesses.")
  print()
  mph = eval(input("Enter the speed off the bat in mph: "))
  angle = eval(input("Enter an angle in degrees: "))

  win=GraphWin("Fenway", 700, 600)
  win.setBackground("lightblue")
  win.setCoords(0, 0, 350, 300)

  greenMonster = Rectangle(Point(304,0), Point(310, 37))
  greenMonster.setFill("darkgreen")
  greenMonster.setOutline("darkgreen")
  greenMonster.draw(win)

  fallTime = timeToFall(angle, mph)
  vx = changeInXVelocity(angle, mph)
  vy = changeInYVelocity(angle, mph)

  for t in range(NUM_STEPS):
    tnow = t/fallTime
    #assume initial ball height of 4 feet
    y = 4+vy*tnow - 0.5*GRAVITY*tnow*tnow
    x = vx*tnow
    ball = Circle(Point(x,y),3)
    ball.setFill("white")
    ball.draw(win)
    sleep(fallTime/NUM_STEPS)
  
  win.getMouse()
  win.close()


# Compute the time for the ball to fall, plus a few seconds.
# Input: the angle (in degrees) and the speed the ball was hit at (in
# miles per hour)
# Returns the time in seconds for the ball to fall
def timeToFall(angle, mph):
  theta = angle * DEG2RAD
  v = mph * MPH2FPS
  vy = v*sin(theta)
  vx = v*cos(theta)
  tf = 2*vy/GRAVITY  #time it takes to fall back down, plus a few secs
  return tf

# Compute the change in vertical velocity
def changeInYVelocity(angle, mph):
  theta = angle * DEG2RAD
  v = mph * MPH2FPS
  return v*sin(theta)

# Compute the change in horizontal velocity
def changeInXVelocity(angle, mph):
  theta = angle * DEG2RAD
  v = mph * MPH2FPS
  return v*cos(theta)

main()

tictactoe.py 5/6

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# Create full-size tic-tac-toe board
# By CSCI111

#
# NOT YET COMPLETE
#

from graphics import *

WINDOW_DIM=200

tictactoeBoard = GraphWin("Tic Tac Toe Board", WINDOW_DIM, WINDOW_DIM)

width = tictactoeBoard.getWidth()
height = tictactoeBoard.getHeight()

# first vertical line
point = Point(WINDOW_DIM/3, 0)
point2 = Point( WINDOW_DIM/3, WINDOW_DIM )
vline = Line(point, point2)
vline.setOutline("purple")
vline.setWidth(3)
vline.draw(tictactoeBoard)


# second vertical line
point3 = Point(WINDOW_DIM*2/3, 0)
point4 = Point( WINDOW_DIM*2/3, WINDOW_DIM )
vline2 = Line(point3, point4)
vline2.setOutline("purple")
vline2.setWidth(3)
vline2.draw(tictactoeBoard)



# Added to work in IDLE
tictactoeBoard.getMouse()
tictactoeBoard.close()

userDraw.py 6/6

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# Draw a line where the user tells you with mouse clicks
# by CSCI 111

from graphics import *

win = GraphWin("My Line", 600, 600)

anchorPoint = Point(300, 10)
instruction = Text( anchorPoint, "Click where you want the first point for your line.")
instruction.draw(win)

# getting the user's two clicks for where to put the line
point1 = win.getMouse()
point1.draw(win)

#update the instructions
instruction.setText("Click where you want the second point for your line.")

point2 = win.getMouse()
point2.draw(win)


# creating the line and drawing it
line = Line(point1, point2)
line.draw(win)

#update the instructions with the final instructions
instruction.setText("Click when you want to close.")

win.getMouse()
win.close()

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