def __init__(self, planet, **kwargs):
kwargs['thrust'] = self.GetThrust
kwargs['mass'] = self.GetMass
self.LastTime = 0
self.ElapsedTime = 1
self.FuelLeft = mdescfuel
self.ThrustPct = 0
self.LastAltitude = 0
self.DeltaAltitude = 0
# Clue for the thrust slider
self.lab1 = Label((10, 340),
"Thrust: up/down key",
positioning="physical",
size=15)
# Define a thrust slider
self.ThrustSlider = Slider((10, 360),
0,
MaxThrottle,
0,
positioning="physical",
steps=20,
leftkey="down arrow",
rightkey="up arrow")
# Fuel Gauge
self.FuelGage = Label((10, 390),
self.FuelPct,
positioning="physical",
size=15)
# Vertical Speedometer
self.VSpeed = Label((10, 420),
self.VertVel,
positioning="physical",
size=15)
super().__init__(planet, **kwargs)
self.LastTime = self.shiptime
from ggrocket import Rocket, Planet
from math import radians, sqrt
from ggmath import Slider
earth = Planet()
# Constants relating to Earth and physics
Re = 6.371E6 # Earth radius: 6371000 meters in scientific notation
Me = 5.972E24 # Earth mass in kg (5.972 x 10^24)
G = 6.674E-11 # Gravitational constant
# Add a slider for controlling the timezoom
tz = Slider((10,400), 0, 5, 0, positioning="physical")
# Calculate the escape velocity from Earth's surface radius
Ve=sqrt(2*Me*G/Re)
print("Predicted escape velocity is ", Ve, " m/s")
rocket = Rocket(earth, heading=radians(90), directiond=90, velocity=Ve, timezoom=tz)
earth.run(rocket)
return "STAGE 2 FIRING"
elif PayloadLaunched:
return "PAYLOAD DELIVERED"
else:
return "WAITING FOR LAUNCH"
# Create a button for starting the simulation
# Physical positioning at 10,400 pixels, calls the StartRocket function
start = InputButton((10, 400),
"START",
StartRocket,
positioning="physical",
size=15)
# Create a label for showing the current rocket status
status = Label((10, 420), GetStatus, positioning="physical", size=15)
# Add a slider for conrolling the timezoom
tz = Slider((10, 360),
0,
5,
0,
positioning="physical",
leftkey="a",
rightkey="d")
#Create and "run" the rocket
rocket = Rocket(earth, thrust=GetThrust, mass=GetMass, timezoom=tz)
earth.run(rocket)
return "STAGE 2 FIRING"
elif PayloadLaunched:
return "PAYLOAD DELIVERED"
else:
return "WAITING FOR LAUNCH"
# Create a button for starting the simulation
# Physical positioning at 10,400 pixels, calls the StartRocket function
start = InputButton((10, 400),
"START",
StartRocket,
positioning="physical",
size=15)
stage2start = InputButton((10, 450),
"BEGIN STAGE 2",
Start2Stage,
positioning="physical",
size=15)
# Create a label for showing the current rocket status
status = Label((10, 420), GetStatus, positioning="physical", size=15)
# Add a slider for conrolling the timezoom
tz = Slider((10, 360), 0, 3, 0, positioning="physical")
#Create and "run" the rocket
rocket = Rocket(earth, thrust=GetThrust, mass=GetMass, timezoom=tz)
earth.run(rocket)