# Function for calculating the percent of fuel remaining, as text
def FuelPct(self):
return "Fuel Supply: {0:.1f}%".format(100 * self.FuelLeft / mdescfuel)
# Function for showing the vertical velocity
def VertVel(self):
if not self.ElapsedTime:
return "Vertical Velocity N/A"
else:
return "Vertical Velocity: {0:.1f} m/s".format(self.DeltaAltitude /
self.ElapsedTime)
moon = Planet(planetmass=moonmass,
radius=moonradius,
viewscale=0.02,
color=0x202020)
tz = Slider((10, 300),
0,
5,
0,
positioning="physical",
leftkey="a",
rightkey="d")
#Create and "run" the rocket
lander = Lem(moon, altitude=alt, velocity=vel, timescale=tz)
moon.run(lander)
from ggrocket import Rocket, Planet earth = Planet(viewscale=0.00014, planetmass=73420000000000000000000) rocket = Rocket(earth, altitude=100, velocity=1000, timezoom=3) earth.run(rocket)
from ggrocket import Rocket, Planet moon = Planet(viewscale=0.00005, planetmass=7.348E22, radius=1737000) rocket = Rocket(moon, altitude=1837000, velocity=1000, timezoom=3) moon.run(rocket)