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A full 3d wireframe engine! It lags quite a bit though :/ Move with sin-cos-tan-ln, turn with 6-*-/-(

from math import cos,sin,pi
from kandinsky import *
from time import *
from ion import *

MODEL=[]

def cube3d(x1,y1,z1,x2,y2,z2,c):
  MODEL.append(c)
  line3d(x1,y1,z1,x1,y2,z1)
  line3d(x1,y1,z1,x2,y1,z1)
  line3d(x2,y1,z1,x2,y2,z1)
  line3d(x1,y2,z1,x2,y2,z1)
  line3d(x1,y1,z2,x1,y2,z2)
  line3d(x1,y1,z2,x2,y1,z2)
  line3d(x2,y1,z2,x2,y2,z2)
  line3d(x1,y2,z2,x2,y2,z2)
  line3d(x1,y1,z1,x1,y1,z2)
  line3d(x2,y1,z1,x2,y1,z2)
  line3d(x1,y2,z1,x1,y2,z2)
  line3d(x2,y2,z1,x2,y2,z2)

def line3d(x1,y1,z1,x2,y2,z2):
  point3d(x1,y1,z1)
  point3d(x2,y2,z2)

def point3d(x,y,z):
  MODEL.append([x,-y,z])
  #y invert bc axis goes from up to down

def line(x1,y1,x2,y2,c):
  res=2
  w=x2-x1
  h=y2-y1
  if abs(w)>=abs(h)and not w==0:
    d=h/w
    for i in range(0,w,(w>0)*res*2-1):
      fill_rect(x1+i,y1+int(d*i+0.5),res*2,res,c)
  elif abs(h)>abs(w):
    d=w/h
    for i in range(0,h,(h>0)*res*2-1):
      fill_rect(x1+int(d*i+0.5),y1+i,res,res*2,c)

def render(camx,camy,camz,sinx,cosx,siny,cosy):
  fill_rect(0,0,320,222,(0,0,0))
  draw_string("When the calculator is sus",30,202,(255,255,255),(0,0,0))
  for j in range(0,len(MODEL),25):
    c=MODEL[j]
    for i in range(j+1,j+25,2):
      x1=MODEL[i][0]-camx
      y1=MODEL[i][1]-camy
      z1=MODEL[i][2]-camz
      x2=MODEL[i+1][0]-camx
      y2=MODEL[i+1][1]-camy
      z2=MODEL[i+1][2]-camz

      x1,z1=yturn(x1,z1,cosy,siny)
      x2,z2=yturn(x2,z2,cosy,siny)
      y1,z1=xturn(y1,z1,cosx,sinx)
      y2,z2=xturn(y2,z2,cosx,sinx)

      px1=int(200*x1/z1)
      py1=int(200*y1/z1)
      px2=int(200*x2/z2)
      py2=int(200*y2/z2)
      line(px1+160,py1+111,px2+160,py2+111,c)

def yturn(x,z,cosy,siny):
  return z*siny+x*cosy,z*cosy-x*siny

def xturn(y,z,cosx,sinx):
  return y*cosx-z*sinx,y*sinx+z*cosx

RED=(255,0,0)
BLU=(0,100,255)

cube3d(-150,-200,-50,-50,0,50,RED)
cube3d(150,-200,-50,50,0,50,RED)
cube3d(-150,0,-50,150,400,50,RED)
cube3d(-100,250,-100,100,350,-50,BLU)
cube3d(-100,100,50,100,350,100,RED)

camx=0
camy=0
camz=-800
grav=0
camyrot=0
camxrot=0

while True:
  camy+=grav
  grav+=1
  if camy>0:
    camy=0
    grav=0
  if keydown(KEY_OK)and camy==0:
    grav=-20
  if keydown(KEY_SIX):
    camyrot+=pi/45
  elif keydown(KEY_DIVISION):
    camyrot-=pi/45
  if keydown(KEY_LEFTPARENTHESIS):
    camxrot-=pi/45
  elif keydown(KEY_MULTIPLICATION):
    camxrot+=pi/45
  sinx=sin(camxrot)
  cosx=cos(camxrot)
  siny=sin(camyrot)
  cosy=cos(camyrot)
  if keydown(KEY_SINE):
    camz-=siny*20
    camx-=cosy*20
  elif keydown(KEY_TANGENT):
    camz+=siny*20
    camx+=cosy*20
  if keydown(KEY_LN):
    camz+=cosy*20
    camx-=siny*20
  elif keydown(KEY_COSINE):
    camz-=cosy*20
    camx+=siny*20
  render(camx,camy,camz,sinx,cosx,siny,cosy)