Answered: Enhance the hit_the_target game program…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Hit the Target Game
import turtle
#Initialise Turtle
wn = turtle.Screen()
turtle.Turtle()
turtle.color("green")
turtle.shape("turtle")
# Named constants
SCREEN_WIDTH = 600 # Screen width
SCREEN_HEIGHT = 600 # Screen height
TARGET_LLEFT_X = 100 # Target's lower-left X
TARGET_LLEFT_Y = 250 # Target's lower-left Y
TARGET_WIDTH = 25 # Width of the target
FORCE_FACTOR = 30 # Arbitrary force factor
PROJECTILE_SPEED = 1 # Projectile's animation speed
NORTH = 90 # Angle of north direction
SOUTH = 270 # Angle of south direction
EAST = 0 # Angle of east direction
WEST = 180 # Angle of west direction
# Setup the window.
turtle.setup(SCREEN_WIDTH, SCREEN_HEIGHT)
# Draw the target.
turtle.hideturtle()
turtle.speed(0)
turtle.penup()
turtle.goto(TARGET_LLEFT_X, TARGET_LLEFT_Y)
turtle.pendown()
turtle.setheading(EAST)
turtle.forward(TARGET_WIDTH)
turtle.setheading(NORTH)
turtle.forward(TARGET_WIDTH)
turtle.setheading(WEST)
turtle.forward(TARGET_WIDTH)
turtle.setheading(SOUTH)
turtle.forward(TARGET_WIDTH)
turtle.penup()
# Center the turtle.
turtle.goto(0, 0)
turtle.setheading(EAST)
turtle.showturtle()
turtle.speed(PROJECTILE_SPEED)
# Get the angle and force from the user.
angle = float(input("Enter the projectile's angle: "))
force = float(input("Enter the launch force (1−10): "))

# Calculate the distance.
distance = force * FORCE_FACTOR
# Set the heading.
turtle.setheading(angle)
# Launch the projectile.
turtle.pendown()
turtle.forward(distance)
# Did it hit the target?
if (turtle.xcor() >= TARGET_LLEFT_X and
turtle.xcor() <= (TARGET_LLEFT_X + TARGET_WIDTH) and
turtle.ycor() >= TARGET_LLEFT_Y and
turtle.ycor() <= (TARGET_LLEFT_Y + TARGET_WIDTH)):
print('Target hit, you won the game!')
else:
print('You missed the target.')

turtle.done()

Challenge Activity 1: Turtle Graphics: Hit the Target Modification

Enhance the hit_the_target game program shown in the computer lab activity above, so that, when
the projectile misses the target, it displays hints to the user indicating whether the angle and/or the
force value should be increased or decreased.
For example, the program should display messages such as 'Try a greater angle' and 'Use less force.

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