class BaseballTracker:
def __init__( self, window, angle, velocity, height ):
self.projectile = Projectile( angle, velocity, height )
self.ball = Circle( Point( 0, height ), 3 )
self.ball.setOutline( 'red' )
self.ball.setFill( 'red' )
self.ball.draw( window )
def update( self, timeInterval ):
prevX = self.projectile.getX()
prevY = self.projectile.getY()
self.projectile.update( timeInterval )
dx = self.projectile.getX() - prevX
dy = self.projectile.getY() - prevY
self.ball.move( dx, dy )
def clear( self ):
self.ball.undraw()
def getX( self ):
return self.projectile.getX()
def getY( self ):
return self.projectile.getY()
def main():
angle, vel, h0, time = getInputs()
cball = Projectile(angle, vel, h0)
while cball.getY() >= 0 and cball.getYv() >= 0:
cball.update(time)
print("\nDistance traveled: {0:0.1f} meters.".format(cball.getX()))
print("Max height: {0:0.1f} meters.".format(cball.getY()))
class ShotTracker:
def __init__(self, win, angle, velocity, height):
"""win is the GraphWin to display the shot. angle, velocity,
and height are initial projectile parameters.
"""
self.proj = Projectile(angle, velocity, height)
self.marker = Circle(Point(0, height), 3)
self.marker.setFill("red")
self.marker.setOutline("red")
self.marker.draw(win)
def update(self, dt):
"""Move the shot dt seconds farther along its flight """
# Update the projectile
self.proj.update(dt)
# Moves the circle to the new projectile location
center = self.marker.getCenter()
dx = self.proj.getX() - center.getX()
dy = self.proj.getY() - center.getY()
self.marker.move(dx, dy)
def getX(self):
""" return the current x coordinate of the shot's center """
return self.proj.getX()
def getY(self):
""" return the current y coordinate of the shot's center """
return self.proj.getY()
def undraw(self):
""" undraw the shot """
self.marker.undraw()
class ShotTracker:
def __init__(self, win, angle, velocity, height):
# displays initial projectile parameters
self.proj = Projectile(angle, velocity, height)
self.marker = Circle(Point(0, height), 3)
self.marker.setFill("red")
self.marker.setOutline("red")
self.marker.draw(win)
def update(self, dt):
"""move the shot seconds further in its flight"""
# update projectile
self.proj.update(dt)
# move circle to new location
center = self.marker.getCenter()
dx = self.proj.getX() - center.getX()
dy = self.proj.getY() - center.getY()
self.marker.move(dx, dy)
def getX(self):
# current x coordinate
return self.proj.getX()
def getY(self):
# return currect y coordinate
return self.proj.getY()
def undraw(self):
# undraw the shot
self.marker.undraw()
class ShortTracker:
""" Graphical depiction of a projectile flight suing a circle """
def __init__(self, win, angle, velocity, height):
"""Win is the GraphWin to display the shot angle, velocity,
and height are initial projectile parameters.
"""
self.proj = Projectile(angle, velocity, height)
self.marker = Circle(Point(0, height), 3)
self.marker.setFill("red")
self.marker.setOutline("red")
self.marker.draw(win)
def update(self, dt):
""" Move the shot dt seconds farther along its flight """
# update the projectile, move the circle to the new projectile location
self.proj.update(dt)
center = self.marker.getCenter()
dx = self.proj.getX() - center.getX()
dy = self.proj.getY() - center.getY()
self.marker.move(dx, dy)
def getX(self):
return self.proj.getX()
def getY(self):
return self.proj.getY()
def undraw(self):
self.marker.undraw()
def main():
angle, vel, h0, time = getInputs()
cball = Projectile(angle, vel, h0)
prev_y = h0
while cball.getY() >= prev_y:
prev_y = cball.getY()
cball.update(time)
print("\nMaximum Height: {0:0.1f} meters".format(prev_y))
def main():
angle, vel, h0, time = getInputs()
cball = Projectile(angle, vel, h0)
maxHeight = h0
while cball.getY() >= 0:
if maxHeight < cball.getY():
maxHeight = cball.getY()
cball.update(time)
print('Distance traveled: {:0.2f} meters.'.format(cball.getX()))
print('Maximum height: {:0.2f} meters.'.format(maxHeight))
def main():
angle, vel, h0, time = getInputs()
hmax = h0
cball = Projectile(angle, vel, h0)
while cball.getY() >= 0:
if cball.getY() > h0:
h0 = cball.getY()
cball.update(time)
print("\nDistance traveled: {0:0.1f} meters, max height is {1:0.1f}.".format(cball.getX(), h0))
def main():
angle, vel, h0, time = getInputs()
cball = Projectile(angle, vel, h0)
maxheight = h0
while cball.getY() >= 0.0:
cball.update(time)
if cball.getY() > maxheight:
maxheight = cball.getY()
print("\nDistance traveled: {:0.1f} meters.".format(cball.getX()))
print("Maximum height: {:0.1f} meters.".format(maxheight))
def main():
win = GraphWin("Projectile Tracker", 600, 600)
win.setCoords(0, 0, 1400, 1400)
missile = Projectile(45, 100, 0)
tracker = Tracker(win, missile, 1400)
while missile.getY() >= 0:
missile.update(.05)
dx = missile.getX()
dy = missile.getY()
tracker.move(dx, dy)
print("{}:{}".format(missile.getX(), missile.getY()))
def fire(angle, vel, h0, time):
cball = Projectile(angle, vel, h0)
xcoords = [0.]
ycoords = [h0]
while cball.getY() >= 0.0:
cball.update(time)
xcoords.append(cball.getX())
ycoords.append(cball.getY())
plt.plot(xcoords, ycoords, marker=".", label=time/vel)
def main():
angle, vel, h0, time = getInputs()
cball = Projectile(angle, vel, h0)
while cball.getY() >= 0:
cball.update(time)
print("\nDistance traveled: {0:.1f} meters. Max height {1:.1f}".format(
cball.getX(), cball.getYmax()))
def main():
angle, vel, h0, time = getInputs()
cball = Projectile(angle, vel, h0)
while cball.getY() >= 0:
cball.update(time)
print "\nDistance traveled : %0.1f meters." % (cball.getX())
def main ():
#Introduction
print ("This program graphically depicts the flight of a cannonball. ")
print ()
#Get inputs
a = eval(input("Enter the launch angle in degrees: "))
v = eval(input("Enter the initial velocity in meters per second: "))
h = eval(input("Enter the initial height in meters: "))
#Create tracker
projectile = Projectile(a, v, h)
win = GraphWin(200, 200)
win.setCoords(0.0, 0.0, 25.0, 25.0)
tracker = Tracker(win, projectile)
time = 0.0
while projectile.getY() >= -5:
time += .0005
projectile.update(time)
tracker.update()
#Close window
win.getMouse()
win.close()
def main():
angle, vel, h0, time = getInputs()
cball = Projectile(angle, vel, h0)
while cball.getY() >= 0:
cball.update(time)
print("\nDistance traveled: {0:0.1f} meters.".format(cball.getX()))
print("The maximum height of the projectile was {0:0.1f} meters.".format(
cball.getYmax()))
def main():
angle, vel, h0, time = getInputs()
cBall = Projectile(angle, vel, h0)
#loop until the ball hits the ground
while cBall.getY() >= 0:
cBall.update(time)
print('\nDistance traveled: {0:0.1f} meters.'.format(cBall.getX()))
class ShotTracker:
""" Graphical depiction of a projectile flight using a Circle """
def __init__(self, win, angle, velocity, height):
"""win is the GraphWin to display the shot, angle, velocity, and
height are initial projectile parameters.
"""
self.proj = Projectile(angle, velocity, height)
self.radius = 2
self.marker = Circle(Point(0, height), self.radius)
self.marker.setFill("red")
self.marker.setOutline("red")
self.marker.draw(win)
def update(self, dt, win):
""" Move the shot dt seconds farther along its flight """
_greyCircle = Circle(Point(self.proj.getX(), self.proj.getY()), .05)
_greyCircle.setFill("grey")
_greyCircle.setOutline("grey")
_greyCircle.draw(win)
self.proj.update(dt)
center = self.marker.getCenter()
dx = self.proj.getX() - center.getX()
dy = self.proj.getY() - center.getY()
self.marker.move(dx, dy)
def getX(self):
""" return the current x coordinate of the shot's center """
return self.proj.getX()
def getY(self):
""" return the current y coordinate of the shot's center """
return self.proj.getY()
def getRadius(self):
""" return the radius of the shot """
return self.radius
def destroy(self):
""" undraw the shot """
self.marker.undraw()
def main():
win = GraphWin("Projectile Tracker", 600, 600)
win.setCoords(0, 0, 1400, 1400)
missile = Projectile(45, 100, 0)
tracker = Tracker(win, missile, 1400)
target = Button(win, Point(1021, 70), 140, 140, "x")
target.activate()
click = Point(missile.getX(), missile.getY())
while not target.clicked(click):
missile.update(.05)
dx = missile.getX()
dy = missile.getY()
tracker.move(dx, dy)
click = tracker.getPosition()
print(click.getX(), click.getY())
if dy <= 0:
angle = eval(input("Angle: "))
velocity = eval(input("Velocity: "))
height = eval(input("Initial Height: "))
missile = Projectile(angle, velocity, height)
def main():
angle,vel,h0,timestep = getInputs()
cball = Projectile(angle,vel,h0)
while cball.getY() >= 0:
cball.update(timestep)
print("Distance travelled is ", cball.getX(),"meters")
print("Distance traveled is {0:0.1f} meters".format(cball.getX()))
def main():
angle, vel, h0, time = getInputs()
window = GraphWin("window",250,250)
cball = Projectile(angle, vel, h0)
#Tracker(window,cball)
while cball.getY() >= 0:
cball.update(.001)
Tracker(window,cball)
window.getMouse()
window.close()
print("\nDistance traveled: {0:0.1f} meters.".format(cball.getX()))
def main ():
#Introduction
print ("This program uses a cannonball to shoot at a target.")
#Create graphics window
win = GraphWin(200, 200)
win.setCoords(0.0, 0.0, 25.0, 25.0)
target = Target(win)
flag = False
targetHit = False
while not flag:
#Get inputs
print ()
a = eval(input("Enter the launch angle in degrees: "))
v = eval(input("Enter the initial velocity in meters per second: "))
h = eval(input("Enter the initial height in meters: "))
#Create tracker
projectile = Projectile(a, v, h)
tracker = Tracker(win, projectile)
time = 0.0
while projectile.getY() >= -5:
time += .0005
projectile.update(time)
tracker.update()
#Calculate if cannonball hit target
points = target.points()
center = tracker.circ.getCenter()
center_x = center.getX()
center_y = center.getY()
radius = tracker.circ.getRadius()
for point in points:
x = point.getX()
y = point.getY()
square_dist = (center_x-x) ** 2 + (center_y-y) ** 2
if square_dist <= radius ** 2:
targetHit = True
if targetHit:
print ("\nYou hit the target!")
flag = True
else:
flag = False
print ("\nTry again!")
#Close window
win.getMouse()
win.close()
def main():
#Introduction
print("This program uses a cannonball to shoot at a target.")
#Create graphics window
win = GraphWin("Target", 200, 200)
win.setCoords(0.0, 0.0, 25.0, 25.0)
target = Target(win)
flag = False
targetHit = False
while not flag:
#Get inputs
print()
a = eval(input("Enter the launch angle in degrees: "))
v = eval(input("Enter the initial velocity in meters per second: "))
h = eval(input("Enter the initial height in meters: "))
#Create tracker
projectile = Projectile(a, v, h)
tracker = Tracker(win, projectile)
time = 0.0
while projectile.getY() >= -5:
time += .0005
projectile.update(time)
tracker.update()
#Calculate if cannonball hit target
points = target.points()
center = tracker.circ.getCenter()
center_x = center.getX()
center_y = center.getY()
radius = tracker.circ.getRadius()
for point in points:
x = point.getX()
y = point.getY()
square_dist = (center_x - x)**2 + (center_y - y)**2
if square_dist <= radius**2:
targetHit = True
if targetHit:
print("\nYou hit the target!")
flag = True
else:
flag = False
print("\nTry again!")
#Close window
win.getMouse()
win.close()
class ShotTracker(object):
def __init__(self, win, angle, velocity, height):
self.proj = Projectile(angle, velocity, height)
self.marker = Circle(Point(0, height), 3) # εεΏ, εεΎ
self.marker.setFill('red')
self.marker.setOutline('red')
self.marker.draw(win)
def update(self, dt):
self.proj.update(dt)
center = self.marker.getCenter()
dx = self.proj.getX() - center.getX()
dy = self.proj.getY() - center.getY()
self.marker.move(dx, dy)
def getX(self):
return self.proj.getX()
def getY(self):
return self.proj.getY()
def undraw(self):
self.marker.undraw()
def main():
# Setting up the cannonball
#angle, vel, h0, time = getInputs()
angle, vel, h0, time = 45.0, 25.0, 2.0, 0.5
cball = Projectile(angle, vel, h0)
# Setting up the window
wind = GraphWin("Cannonball Animation", width=1000, height=800)
wind.setCoords(0, 0, 300, 240)
sprite = Tracker(wind, cball)
wind.getMouse()
while cball.getY() >= 0.0:
cball.update(time)
sleep(time)
sprite.update()
wind.getMouse()
def main():
angle, vel, h0, time = getInputs()
cball = Projectile(angle, vel, h0)
while cball.getY() >= 0:
cball.update(time)
print("\nDistance traveled: {0:0.1f} meters.".format(cball.getX()))
def main():
# Draw the window to simulate green field and sky.
win = GraphWin("Shoot a Cannon!", 850,850)
win.setCoords(0,-50,700,700)
win.setBackground("lightblue")
ground = Rectangle(Point(0,-100),Point(700,0))
ground.setFill("green")
cloud1 = Oval(Point(153,420),Point(390,580))
cloud1.setFill("white")
cloud1.setWidth(2)
cloud2 = Oval(Point(23,232),Point(230,400))
cloud2.setFill("white")
cloud2.setWidth(2)
cloud3 = Oval(Point(434,370),Point(610,520))
cloud3.setFill("white")
cloud3.setWidth(2)
tangle = Text(Point(30,680), " Angle: ")
tvel = Text(Point(30,650), "Velocity:")
anginp = Entry(Point(70,680),3)
velinp = Entry(Point(70,650),3)
fbutton = CButton(win,Point(55,590),30,"FIRE!")
fbutton.activate()
quitbutton = CButton(win,Point(630,660),30,"Quit")
quitbutton.activate()
ground.draw(win)
cloud1.draw(win)
cloud2.draw(win)
cloud3.draw(win)
tangle.draw(win)
tvel.draw(win)
anginp.draw(win)
anginp.setText("0")
velinp.setText("0")
velinp.draw(win)
target = Target(win)
pt = win.getMouse()
shots = 0
while not quitbutton.clicked(pt):
try:
if fbutton.clicked(pt):
ang = float(anginp.getText())
vel = float(velinp.getText())
shot = Projectile(ang,vel,0)
ball = Tracker(win,shot)
while shot.getY() >= 0 and target.Hit(shot) == False and shot.getX() < 750:
sleep(.025)
shot.update(.1)
ball.update(win,shot)
target.Hit(shot)
if target.Hit(shot) == True:
shots += 1
wintxt = Text(Point(325,500), "You Hit the Target in %d shot(s)!" % shots)
wintxt.setSize(36)
wintxt.setTextColor("red")
wintxt.draw(win)
exit
shots += 1
except ValueError:
exit
pt = win.getMouse()
def main():
angle, vel, h0, time = getInputs()
cball = Projectile(angle, vel, h0)
while cball.getY() >= 0:
cball.update(time)
print "\nDistance traveled: %0.1f meters." % (cball.getX())
