space battle (vpython)

spacebattle1.py

import vpython as vp

# xyz
#vp.arrow(axis=vp.vector(1,0,0), color=vp.color.red)
vp.text(pos=vp.vector(1.5,0,0), text="x", 
         color=vp.color.red, height=0.1)
#vp.arrow(axis=vp.vector(0,1,0), color=vp.color.green)
vp.text(pos=vp.vector(0,1.5,0), text="y",
         color=vp.color.green, height=0.1)
#vp.arrow(axis=vp.vector(0,0,1), color=vp.color.blue)
vp.text(pos=vp.vector(0,0,1.5), text="z",
        color=vp.color.blue, height=0.1)



dussel20 = vp.cone(color=vp.color.blue,
                   radius=0.2,
                   pos=vp.vector(1,1,1))

#body = vp.cylinder(color=vp.color.red,
#                       radius=0.1,
#                       axis=vp.vector(0.5,0,0),
#                       pos=vp.vector(0,0,0))
body2 = vp.cone(color=vp.color.red,
                       radius=0.1,
                       axis=vp.vector(1,0,0),
                       pos=vp.vector(0,0,0))
wing1 = vp.box(color=vp.vector(0.7,0.7,0.7),
               pos=vp.vector(0.25,0,0),
               axis=vp.vector(0,0,1),
               size=vp.vector(1.5,0.01,0.25))
#vp.arrow(color=vp.color.yellow, axis=wing1.up)
wing1.up=vp.vector(0,1,0.1)
wing2 = vp.box(color=vp.vector(0.7,0.7,0.7),
               pos=vp.vector(0.25,0,0),
               axis=vp.vector(0,0,1),
               size=vp.vector(1.5,0.01,0.25))
wing2.up=vp.vector(0,1,-0.1)
engine1 = vp.cylinder(color=vp.color.white,
                      pos=vp.vector(0,0.05,0.15),
                      axis=vp.vector(0.5,0,0),
                      radius=0.04)
engine2 = vp.cylinder(color=vp.color.white,
                      pos=vp.vector(0,0.05,-0.15),
                      axis=vp.vector(0.5,0,0),
                      radius=0.04)
engine3 = vp.cylinder(color=vp.color.white,
                      pos=vp.vector(0,-0.05,0.15),
                      axis=vp.vector(0.5,0,0),
                      radius=0.04)
engine4 = vp.cylinder(color=vp.color.white,
                      pos=vp.vector(0,-0.05,-0.15),
                      axis=vp.vector(0.5,0,0),
                      radius=0.04)
player=vp.compound([body2, wing1, wing2, engine1, engine2,
                    engine3, engine4])

class Game:
    beams = []

class Laser(vp.cylinder):
    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self.pos = vp.vector(player.pos.x, player.pos.y, player.pos.z)
        self.axis = vp.vector(player.axis.x, player.axis.y, player.axis.z)
        self.color = vp.color.green
        self.radius = 0.01
        self.speed = 3.3
        self.age = 0
        self.max_age = 2.0
        Game.beams.append(self)



while True:
    vp.rate(60)
    keys=vp.keysdown()
    if "w" in keys:
        player.rotate(angle=0.1,
                      axis=vp.cross(player.up,
                                    player.axis))
    if "s" in keys:
        player.rotate(angle=-0.1,
                      axis=vp.cross(player.up,
                                    player.axis))
    if "a" in keys:
        player.rotate(angle=0.1,
                      axis=player.up)
    if "d" in keys:
        player.rotate(angle=-0.1,
                      axis=player.up)
    if "x" in keys:
        Laser()

    for beam in Game.beams:
        beam.pos += vp.norm(beam.axis) * beam.speed * 1/60
        beam.age += 1/60
        if beam.age > beam.max_age:
            beam.visible = False

    Game.beams = [beam for beam in Game.beams if 
                  beam.age <= beam.max_age]