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【作品展示】

 

【作品介绍】

太阳系探索（未完成）

 

【作品源代码】

from vpython import *
import Rocket

earth = sphere(texture='earth.png', radius=100, pos=vec(0, -100, 0))
fire = sphere(texture='fire.jpg', radius=75,
              pos=vec(0, 2114, -2), emissive=True)
water = sphere(texture='water.jpg', radius=60, pos=vec(0, 550, 37))
gold = sphere(texture='gold.jpg', radius=96,
              pos=vec(0, 1900, -146), emissive=True)
sun = sphere(texture='sun.jpg', radius=300,
             pos=vec(0, 1200, -27), emissive=True)
moon = sphere(texture='moon.png', radius=50,
              pos=vec(0, 200, -200), emissive=True)

scene.waitfor('keydown')
sleep(2)
fly_rocket = Rocket.fly_rocket
fly_rocket.h_axis = vec(0, 0, 1)
fly_rocket.h2_axis = vec(0, 0, -1)
fly_rocket.z_axis = vec(1, 0, 0)
fly_rocket.z2_axis = vec(-1, 0, 0)
dt = 0.01
while True:
    key = keysdown()
    if ' ' in key:
        rate(100)
        fly_rocket.pos += fly_rocket.v * dt
        scene.center += fly_rocket.v * dt
    if 'left' in key:
        # 火箭左转
        fly_rocket.rotate(angle=0.01, axis=fly_rocket.h_axis)
        fly_rocket.v = rotate(fly_rocket.v, angle=0.01, axis=fly_rocket.h_axis)
        fly_rocket.h_axis = rotate(fly_rocket.h_axis, angle=0.01, axis=fly_rocket.h_axis)
    if 'right' in key:
        # 火箭右转
        fly_rocket.rotate(angle=0.01, axis=fly_rocket.h2_axis)
        fly_rocket.v = rotate(fly_rocket.v, angle=0.01, axis=fly_rocket.h2_axis)
        fly_rocket.h2_axis = rotate(fly_rocket.h2_axis, angle=0.01, axis=fly_rocket.h2_axis)
    if 'up' in key:
        # 火箭向前转
        fly_rocket.rotate(angle=0.01, axis=fly_rocket.z_axis)
        fly_rocket.v = rotate(fly_rocket.v, angle=0.01, axis=fly_rocket.z_axis)
        fly_rocket.z_axis = rotate(fly_rocket.z_axis, angle=0.01, axis=fly_rocket.z_axis)
    if 'down' in key:
        # 火箭向后转
        fly_rocket.rotate(angle=0.01, axis=fly_rocket.z2_axis)
        fly_rocket.v = rotate(fly_rocket.v, angle=0.01, axis=fly_rocket.z2_axis)
        fly_rocket.z2_axis = rotate(fly_rocket.z2_axis, angle=0.01, axis=fly_rocket.z2_axis)

 

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