def test_insertion_naive(self):
self.assertEqual(
insert_naive(Rope("test"), "123", 2).to_string(), "te123st")
self.assertEqual(
insert_naive(Rope("test"), "123", 4).to_string(), "test123")
self.assertEqual(
insert_naive(Rope("test"), "123", 0).to_string(), "123test")
def test_that_the_rope_works_with_small_strings(self):
testStr = "Hi"
testRope = Rope(testStr)
self.assertEqual(str(testRope), testStr)
testRope.insert(1, "i, what's your name? My name is Benj")
self.assertEqual(str(testRope),
"Hi, what's your name? My name is Benji")
def test_deletion_naive(self):
self.assertEqual(
delete_range_naive(Rope("test"), 1, 2).to_string(), "tst")
self.assertEqual(
delete_range_naive(Rope("test"), 2, 4).to_string(), "te")
self.assertEqual(
delete_range_naive(Rope("test"), 0, 2).to_string(), "st")
def __init__(self, value=''):
self.content = Rope(value)
self.commands_to_function = {
self.PRINT_COMMAND: self.print_string,
self.INSERT_COMMAND: self.insert_string,
self.DELETE_COMMAND: self.delete_string,
self.APPEND_COMMAND: self.append_string
}
def test_that_the_string_initialises_as_expected(self):
testStr = "the quick brown fox jumped over the lazy dog"
testRope = Rope(testStr, 10, 5, 15)
self.assertEqual(str(testRope), testStr)
self.assertEqual(testRope.node.leftLength, 22)
self.assertEqual(testRope.node.left.leftLength, 11)
self.assertEqual(testRope.node.left.left.value, "the quick b")
def test_that_deletes_happen_as_expected_and_rebalances(self):
testStr = "the not so quick brown fox almost jumped over the lazy dog"
testRope = Rope(testStr, 10, 5, 15)
testRope.delete(27, 7)
testRope.delete(4, 7)
self.assertEqual(str(testRope),
"the quick brown fox jumped over the lazy dog")
def test_that_inserts_happen_as_expected_and_rebalances(self):
testStr = "the quick brown fox jumped over the lazy dog"
testRope = Rope(testStr, 10, 5, 15)
testRope.insert(4, "not so ")
testRope.insert(27, "almost ")
self.assertEqual(
str(testRope),
"the not so quick brown fox almost jumped over the lazy dog")
def test_that_the_rope_works_with_a_gigantic_string(self):
testStr = "".join(
choice("abcdefghijklmnopqrstuvwxyz") for i in range(100000))
testRope = Rope(testStr)
self.assertEqual(str(testRope), testStr)
testRope.insert(3000, "HELLO")
testStr = testStr[:3000] + "HELLO" + testStr[3000:]
self.assertEqual(str(testRope), testStr)
testRope.delete(1000, 1000)
testStr = testStr[:1000] + testStr[2000:]
self.assertEqual(str(testRope), testStr)
def test_split_at_naive(self):
test = Rope("test")
self.assertEqual(split_at_naive(test, 2), (Rope("te"), Rope("st")))
def test_rope_basics(self):
self.assertEqual(Rope("test").to_string(), "test")
self.assertEqual(prepend(Rope("test"), "abc").to_string(), "abctest")
self.assertEqual(append(Rope("test"), "abc").to_string(), "testabc")
#
# For now just create one image pipeline to share with each image processor
# LATER we will modify this to allow for a dictionary (switch-like) interface
# to be injected into the image processors; this will allow the image processors
# to have a selector for exclusion processor of different pipelines
#
# I.e., the idea is to create separate image processors when concurrent pipelines
# are desired (e.g., look for faces AND pink elephants at the same time), and place
# the exclusive options into a single processor (e.g., look for faces OR pink elephants)
redBoiler = RedBoiler()
blueBoiler = BlueBoiler()
boiler = Boiler()
gearLift = GearLift(bvTable)
rope = Rope()
nada = Nada()
# NOTE: NOTE: NOTE:
#
# YOUR MILEAGE WILL VARY
# The exposure values are camera/driver dependent and have no well defined standard (i.e., non-portable)
# Our implementation is forced to use v4l2-ctl (Linux) to make the exposure control work because our OpenCV
# port does not seem to play well with the exposure settings (produces either no answer or causes errors depending
# on the camera used)
FRONT_CAM_GEAR_EXPOSURE = 0
FRONT_CAM_NORMAL_EXPOSURE = -1 # Camera default
frontCam = BucketCapture(
name="FrontCam",
gameFont = pygame.font.SysFont('tlwgtypewriter', 25, False, False)
# Set the width, height and position of the screen
screen_size = (constants.WINDOW_WIDTH, constants.WINDOW_HEIGHT)
screenInfo = pygame.display.Info()
screen = pygame.display.set_mode(screen_size)
pygame.display.set_caption("Ropes!!")
# Loop until the user clicks the close button.
done = False
# Used to manage how fast the screen updates
clock = pygame.time.Clock()
instances = [Rope(200, 50, 300, 15, 0.1), Rope(400, 50, 300, 15, 0.1)]
# -------- Main Program Loop -----------
while not done:
# --- Main event loop
events = pygame.event.get()
for event in events:
if event.type == pygame.QUIT: # If user clicked close
done = True
if event.type == pygame.KEYUP and event.key == pygame.K_ESCAPE:
done = True
# --- Game logic --- #
# from random import randint
# instances.append(PointMass(randint(100, 1200), 100, 1))
for inst in instances:
class StringEditor:
PRINT_COMMAND = "PRINT"
APPEND_COMMAND = "APPEND"
DELETE_COMMAND = "DELETE"
INSERT_COMMAND = "INSERT"
AVAILABLE_COMMANDS = [
PRINT_COMMAND, APPEND_COMMAND, DELETE_COMMAND, INSERT_COMMAND
]
def __init__(self, value=''):
self.content = Rope(value)
self.commands_to_function = {
self.PRINT_COMMAND: self.print_string,
self.INSERT_COMMAND: self.insert_string,
self.DELETE_COMMAND: self.delete_string,
self.APPEND_COMMAND: self.append_string
}
def command_controller(self):
""" Take a command and act on it """
command = input()
while not self._validate_command(command):
print("Command is invalid! Valid commands are:\n\t{}".format(
'\n\t'.join(self.AVAILABLE_COMMANDS)))
command = input()
arguments = command.split()
command = arguments[0]
args = arguments[1:]
self.commands_to_function[command](args)
def insert_string(self, *args):
""" inserts given string at front of the text. Print "OK" as command result. """
str_to_insert = args[0][0]
self.content.insert(0, str_to_insert)
print('OK')
def append_string(self, *args):
""" append a given string to the end of the text. Print "OK" as command result. """
str_to_append = args[0][0]
self.content.insert(len(self.content), str_to_append)
print('OK')
def delete_string(self, *args):
""" deletes the specified substring. Print "OK" as command result in case of success.
Print "ERROR" in case of invalid substring. """
try:
start = int(args[0][0])
end = start + int(args[0][1])
self.content.remove(start, end)
print('OK')
except:
print('ERROR')
def print_string(self, *args):
print(self.content)
def _validate_command(self, command: str) -> bool:
""" return a boolean indicating if the command is valid """
for valid_command in self.AVAILABLE_COMMANDS:
if command.startswith(valid_command):
return True
return False
from time import time
from rope import Rope, Vec, Collider
#region pygame init
pygame.init()
size = (600, 600)
screen = pygame.display.set_mode(size)
screen.fill([255, 255, 255])
pygame.display.set_icon(screen)
clock, fps = pygame.time.Clock(), 0
delta_time = 0
frame_start_time = 0
#endregion
rope = Rope(x=size[0] / 2, y=10, length=500, resolution=50)
mouse_collider = Collider(0, 0)
mouse_collider.size = 50
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
frame_start_time = time()
screen.fill(0)
mpos = Vec(pygame.mouse.get_pos())
mouse_collider.pos.linear_interpolate(mpos, t=delta_time)
fps = 60
win = pygame.display.set_mode((800, 800))
clock = pygame.time.Clock()
mid = pygame.display.get_surface().get_size()[0] // 2
start_y = pygame.display.get_surface().get_size()[1] // 2
r1 = 150
r2 = 220
a1 = math.pi / 4
a2 = math.pi
m1 = 30
m2 = 20
g = 2
line_1 = Rope(mid, start_y, r1, a1, m1)
line_2 = Rope(line_1.x2, line_1.y2, r2, a2, m2)
paint_points = []
def swing(line_1, line_2):
num1 = -g * (2 * line_1.m + line_2.m) * math.sin(line_1.a)
num2 = -line_2.m * g * math.sin(line_1.a - 2 * line_2.a)
num3 = -2 * math.sin(line_1.a - line_2.a) * line_2.m
num4 = line_2.vel**2 * line_2.r + line_1.vel**2 * line_1.r * math.cos(
line_1.a - line_2.a)
den = line_1.r * (2 * line_1.m + line_2.m -
line_2.m * math.cos(2 * line_1.a - 2 * line_2.a))
line_1.acc = (num1 + num2 + num3 * num4) / den
num1 = 2 * math.sin(line_1.a - line_2.a)
