def end_fill():
"""
Fill the shape enclosed by the turtle's drawing path after the last call to begin_fill.
"""
_check_turtle()
if eg.is_run():
_turtle.end_fill()
def begin_fill():
"""
Begin to record the turtle's shape drawing path for filling.
"""
if eg.is_run():
_check_turtle()
_turtle.begin_fill()
def _refresh_loop(self):
while eg.is_run():
if not self._win.isVisible():
self.set_immediate(True)
if self._win.delay_fps(60):
if not self._running:
break
self._render()
def create_world(width: int = 800, height: int = 600) -> None:
"""
Create an world for turtle drawing.
:param width: width of the graphics window
:param height: height of the graphics window
"""
global _turtle, _world
if _world is not None:
raise ValueError("The world has been created! ")
if not eg.is_run():
eg.init_graph(width, height)
_world = TurtleWorld()
_turtle = Turtle(_world)
def mainloop():
# visualization
x = 500
y = 400
global minDistance
minDistance = distanceToDest()
vectorCollectionBad = []
vectorCollectionGood = []
coordsGoal = []
iterMax = maxiter
easygraphics.set_render_mode(easygraphics.RenderMode.RENDER_MANUAL)
while easygraphics.is_run():
# code from the simmulation function
while iterMax != 0:
rotatePlanets()
if iterMax <= maxiter - startParameters[2]:
currDistance = distanceToDest()
if currDistance < minDistance:
minDistance = currDistance
# calculating the gravitational pull
pull = gravPull(satellite[0], satellite[1])
# calculating the new position of the satellite
newSatPosition = positionChange(pull, startParameters[0],
startParameters[1])
satellite[0] = newSatPosition[0]
satellite[1] = newSatPosition[1]
# print(newSatPosition)
# calculating the new velocity vector of the satellite
newSatVelocity = velocityChange(pull, startParameters[0],
startParameters[1])
# print(newSatVelocity)
newSatVelocity = cartToPolar(newSatVelocity[0],
newSatVelocity[1])
startParameters[0] = newSatVelocity[0]
startParameters[1] = newSatVelocity[1]
else:
satellite[0] = planets[startPlanetID][0]
satellite[1] = planets[startPlanetID][1]
if easygraphics.delay_jfps(40):
# settin the fps limit
easygraphics.clear_device()
for pl in planets:
# transforming and drawing planets
if pl == planets[destPlanetID]:
coordsGoal = polarToCart(pl[0], pl[1])
easygraphics.set_fill_color(
easygraphics.Color.LIGHT_GREEN)
easygraphics.draw_circle(coordsGoal[0] + 500,
coordsGoal[1] + 400,
allowedDistance)
easygraphics.circle(x, y, pl[0])
coordsPlanet = polarToCart(pl[0], pl[1])
easygraphics.set_fill_color(easygraphics.Color.BLUE)
easygraphics.draw_circle(coordsPlanet[0] + 500,
coordsPlanet[1] + 400, 5)
# transforming and drawing satellite
coordsSatellite = polarToCart(satellite[0], satellite[1])
goal = polarToCart(planets[destPlanetID][0],
planets[destPlanetID][1])
if math.sqrt(
(coordsSatellite[0] - goal[0])**2 +
(coordsSatellite[1] - goal[1])**2) < allowedDistance:
vectorCollectionGood.append(coordsSatellite)
else:
vectorCollectionBad.append(coordsSatellite)
easygraphics.set_fill_color(easygraphics.Color.RED)
easygraphics.draw_circle(coordsSatellite[0] + 500,
coordsSatellite[1] + 400, 3)
for vec in vectorCollectionGood:
easygraphics.set_fill_color(easygraphics.Color.CYAN)
easygraphics.draw_circle(vec[0] + 500, vec[1] + 400, 2)
for vec in vectorCollectionBad:
easygraphics.set_fill_color(easygraphics.Color.RED)
easygraphics.draw_circle(vec[0] + 500, vec[1] + 400, 2)
easygraphics.draw_line(coordsSatellite[0] + 500,
coordsSatellite[1] + 400,
coordsGoal[0] + 500,
coordsGoal[1] + 400)
iterMax -= 1
easygraphics.close_graph()
def _check_turtle():
if _turtle is None:
create_world()
elif _in_shell:
if not eg.is_run():
raise RuntimeError("Must run close_world() to clean up the world!")
