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Re: problem with exam task for college

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woow jeezes, thanks for the amazingly fast and detailed response, you guys are amazing.



let's clear a few things up :

1) points is a module in vpython to make points, the points do in fact appear although its not really the effect i intended to have, the points are "lined up" in stead of randomly separated, if you know what i mean

2) sorry for the dutch names :)

3) i put the parenteces there and then i got a bunch of errors which i fixed






2 problems:

a) my program seems to be stuck in the update phase of brandstoftank(=fuel tank), it doesnt get to the update of the spaceship

b) the problem i originally described in my first post was not resolved, by means of elimination i could conclude that the problem situates itself in this lines :

 if (s == "left"):
                self.gas = rotate(self.gas,angle = math.pi/10, axis = (0,0,1))
                c = list(self.frame.axis)
                c[2] -= 0.1
                c = tuple(c)
                c = self.frame.axis
            if (s == "right") :
                self.gas = rotate(self.gas,angle = -(math.pi/10), axis = (0,0,1))
                c = list(self.frame.axis)
                c[2] += 0.1
                c = tuple(c)
                c = self.frame.axis

i will put the full revisited code here : 


from visual import *
import time
import math
import random
from datetime import datetime
import operator 


class lunar_lander(object):
    def __init__(self):
        scene.title = 'mini star wars'
        scene.width = 375
        scene.height = 550
        scene.center = (0,0)
        self.pos = (0,0)
        self.axis = 0
        self.brandstofmeter_view = brandstofmeter_view()
        self.ruimteschip = ruimteschip()
        self.view = game_view(self)
        
        

    def play(self):
        t=0
        dt=0.01
        while t<999999999:
            time.sleep(0.01)
            self.brandstofmeter_view.update()
            self.ruimteschip.update(dt)
            t = t + dt

            
            
class game_view(object):
    def __init__(self,owner):
        autoscale=True
        box(pos=( 0, -375, 0), length=500, height=5, width=0, color = color.white)
        box(pos=(0,375, 0), length=500, height=5, width=0, color = color.white)
        box(pos=(-250,0, 0), length=5, height=750, width=0, color = color.white)
        box(pos=(250,0, 0), length=5, height=750, width=0, color = color.white)
    
        maan = curve(pos=[(-250,-353),(-240,-341),(-210,-354),(-199.5,-374)],color=color.red)
        maana = curve(pos=[(-199.5,-374),(-166,-374)],color=color.green)
        maanb = curve(pos=[(-166,-374),(-140,-357),(-80,-319),(-40,-361),(0,-321),(40,-329),(80,-347)],color=color.red)
        maanc = curve(pos=[(80,-347),(140,-347)],color=color.green)
        maand = curve(pos=[(140,-347),(162,-337),(189.5,-365),(210,-355),(240,-372),(250,-338)],color=color.red)

        for i in random.sample(range (-250,250),20):
            for j in random.sample(range (-375,375),20):
                sterren = points(pos = [i,j,0],size = 2, color=color.white)



                
class brandstofmeter_view(object):
    def __init__(self):
        axis = 0
        self.pos = (220,345) 
        self.meter = box(pos = self.pos, lenght = 25, height = 45,color = color.green)
        
    def update (self):
            s = scene.kb.getkey()
            if (s == "up"):
                self.meter.height = self.meter.height - 1
            
        
                
                    
        
class ruimteschip(object):
    def __init__(self):
        self.pos = vector(0,330)
        self.acceleration = vector(0,-88,0)
        self.axis = (1,0,0)
        self.hoek = (90*math.pi)/180
        self.graden = math.degrees(self.hoek)
        self.gas = vector(10 * cos(self.hoek),10 * sin (self.hoek))
        self.velocity = vector(0,0,0)
        self.angle = (1,0,0)
        self.view = ruimteschip_view(self)
        self.vlam = self.view.vlam
        self.frame = self.view.frame
        
        
        
        

    def update(self,dt):
        self.velocity = self.velocity + (self.acceleration * dt)
        self.pos = self.pos + self.velocity * dt
        a = 0
        b = 0
        if scene.kb.keys:
            a = a + 0.001 
            s = scene.kb.getkey()
            if (s == "up"):
                self.velocity = self.velocity + self.gas
                self.vlam.visible = True
                b = b + 2
            if (s == "left"):
                self.gas = rotate(self.gas,angle = math.pi/10, axis = (0,0,1))
                c = list(self.frame.axis)
                c[2] -= 0.1
                c = tuple(c)
                c = self.frame.axis
            if (s == "right") :
                self.gas = rotate(self.gas,angle = -(math.pi/10), axis = (0,0,1))
                c = list(self.frame.axis)
                c[2] += 0.1
                c = tuple(c)
                c = self.frame.axis
        if (a == 0):
            self.vlam.visible = False
            
             
        if self.pos.x > 250:
            self.pos.x = -250
        if self.pos.x < -250:
            self.pos.x = 250
        self.view.update(self)
                    
class ruimteschip_view(object):
    def __init__(self,owner):
        self.owner = owner
        self.frame = frame(pos = owner.pos,axis = owner.axis)
        self.motor = curve(frame = self.frame,pos=[(0,24.0),(22.0,24.0),(22.0,39.0),(-22.0,39.0),(-22,24),(0,24)])
        self.capsule = curve(frame = self.frame,color = color.blue ,pos=[(0,39),(-3,39),(-9,44),(-12,46),(-18,48),(-22,50),(-18,52),(-12,54),(-9,56),(-3,61),(0,61),(3,59),(9,56),(12,54),(18,52),(22,50),(18,48),(12,46),(9,44),(3,39),(0,39)])
        self.poota = curve(frame = self.frame,pos = [(-18,24),(-20,24),(-20,0),(-18,0),(-18,24)])
        self.pootb = curve(frame = self.frame,pos = [(18,24),(20,24),(20,0),(18,0),(18,24)])
        self.vlam = curve(frame = self.frame,color = color.orange , visible=false,pos = [(0,24.0),(-9.0,14.0),(0,-5.0),(9,14.0),(0,24.0)])
        
    def update(self,owner):
        self.frame.axis = owner.axis  
        self.frame.pos = owner.pos
        

                          
thanks again, are you guys getting paid for this or is this voluntarily? either way i really appreciate it 

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problem with exam task for college jeltedeproft@hotmail.com - 2013-01-04 10:23 -0800
  Re: problem with exam task for college Chris Angelico <rosuav@gmail.com> - 2013-01-05 05:59 +1100
  Re: problem with exam task for college Chris Angelico <rosuav@gmail.com> - 2013-01-05 06:00 +1100
  Re: problem with exam task for college MRAB <python@mrabarnett.plus.com> - 2013-01-04 19:17 +0000
  Re: problem with exam task for college Joshua Landau <joshua.landau.ws@gmail.com> - 2013-01-04 19:18 +0000
  Re: problem with exam task for college Chris Angelico <rosuav@gmail.com> - 2013-01-05 06:30 +1100
    Re: problem with exam task for college jeltedeproft@hotmail.com - 2013-01-04 12:01 -0800
      Re: problem with exam task for college Chris Angelico <rosuav@gmail.com> - 2013-01-05 07:36 +1100
      Re: problem with exam task for college Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-01-05 16:09 -0500
    Re: problem with exam task for college jeltedeproft@hotmail.com - 2013-01-04 12:01 -0800
  Re: problem with exam task for college Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-01-04 17:11 -0500
  Re: problem with exam task for college jeltedeproft@hotmail.com - 2013-01-05 04:24 -0800
    Re: problem with exam task for college Chris Angelico <rosuav@gmail.com> - 2013-01-05 23:39 +1100
  Re: problem with exam task for college jeltedeproft@hotmail.com - 2013-01-05 05:14 -0800
    Re: problem with exam task for college Chris Angelico <rosuav@gmail.com> - 2013-01-06 00:32 +1100
  Re: problem with exam task for college jeltedeproft@hotmail.com - 2013-01-07 08:22 -0800
    Re: problem with exam task for college Vincent Vande Vyvre <vincent.vandevyvre@swing.be> - 2013-01-07 18:40 +0100
    Re: problem with exam task for college Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-01-07 15:36 -0500
  Re: problem with exam task for college jeltedeproft_8@hotmail.com - 2013-01-13 04:29 -0800
  Re: problem with exam task for college jeltedeproft@hotmail.com - 2013-01-13 04:48 -0800
  Re: problem with exam task for college jeltedeproft@hotmail.com - 2013-01-13 05:57 -0800
    Re: problem with exam task for college Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-01-13 17:28 +0000
  Re: problem with exam task for college stefaang@gmail.com - 2013-01-14 04:57 -0800
  Re: problem with exam task for college jeltedeproft@hotmail.com - 2013-01-14 08:01 -0800
    Re: problem with exam task for college Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-01-14 13:54 -0500

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