mirror of
https://github.com/python/cpython.git
synced 2025-10-30 21:21:22 +00:00
140 lines
2.2 KiB
Python
Executable file
140 lines
2.2 KiB
Python
Executable file
#! /usr/bin/env python
|
|
|
|
# backface
|
|
#
|
|
# draw a cube that can run with backface() turned on or off.
|
|
# cube is moved when LEFTMOUSE is pressed and mouse itself is moved.
|
|
|
|
from gl import *
|
|
from DEVICE import *
|
|
from GL import *
|
|
|
|
CUBE_SIZE = 200.0
|
|
CUBE_OBJ = 1
|
|
|
|
def main () :
|
|
#
|
|
x = 0
|
|
y = 0
|
|
moveit = 0
|
|
#
|
|
initialize()
|
|
#
|
|
while (1) :
|
|
#
|
|
while (qtest()) :
|
|
dev, val = qread()
|
|
#
|
|
if dev == ESCKEY :
|
|
backface(0)
|
|
return
|
|
#
|
|
elif dev == REDRAW :
|
|
reshapeviewport()
|
|
drawcube(x,y)
|
|
#
|
|
elif dev == LEFTMOUSE :
|
|
#
|
|
# LEFTMOUSE down
|
|
moveit = val
|
|
#
|
|
elif dev == BKEY :
|
|
backface(1)
|
|
drawcube(x,y)
|
|
#
|
|
elif dev == FKEY :
|
|
backface(0)
|
|
drawcube(x,y)
|
|
#
|
|
if moveit :
|
|
x = getvaluator(MOUSEX)
|
|
y = getvaluator(MOUSEY)
|
|
drawcube(x,y)
|
|
|
|
|
|
def initialize () :
|
|
foreground ()
|
|
keepaspect (1, 1)
|
|
gid = winopen('backface')
|
|
winset(gid)
|
|
winconstraints()
|
|
#
|
|
doublebuffer()
|
|
gconfig()
|
|
shademodel(FLAT)
|
|
#
|
|
ortho(-1024.0, 1024.0, -1024.0, 1024.0, -1024.0, 1024.0)
|
|
#
|
|
qdevice(ESCKEY)
|
|
qdevice(REDRAW)
|
|
qdevice(LEFTMOUSE)
|
|
qdevice(BKEY)
|
|
qdevice(FKEY)
|
|
qenter(REDRAW,gid)
|
|
#
|
|
backface(1)
|
|
|
|
#
|
|
# define a cube
|
|
def cube () :
|
|
#
|
|
# front face
|
|
pushmatrix()
|
|
translate(0.0,0.0,CUBE_SIZE)
|
|
color(RED)
|
|
rectf(-CUBE_SIZE,-CUBE_SIZE,CUBE_SIZE,CUBE_SIZE)
|
|
popmatrix()
|
|
#
|
|
# right face
|
|
pushmatrix()
|
|
translate(CUBE_SIZE, 0.0, 0.0)
|
|
rotate(900, 'y')
|
|
color(GREEN)
|
|
rectf(-CUBE_SIZE,-CUBE_SIZE,CUBE_SIZE,CUBE_SIZE)
|
|
popmatrix()
|
|
#
|
|
# back face
|
|
pushmatrix()
|
|
translate(0.0, 0.0, -CUBE_SIZE)
|
|
rotate(1800, 'y')
|
|
color(BLUE)
|
|
rectf(-CUBE_SIZE,-CUBE_SIZE,CUBE_SIZE,CUBE_SIZE)
|
|
popmatrix()
|
|
#
|
|
# left face
|
|
pushmatrix()
|
|
translate(-CUBE_SIZE, 0.0, 0.0)
|
|
rotate(-900, 'y')
|
|
color(CYAN)
|
|
rectf(-CUBE_SIZE,-CUBE_SIZE,CUBE_SIZE,CUBE_SIZE)
|
|
popmatrix()
|
|
#
|
|
# top face
|
|
pushmatrix()
|
|
translate(0.0, CUBE_SIZE, 0.0)
|
|
rotate(-900, 'x')
|
|
color(MAGENTA)
|
|
rectf(-CUBE_SIZE,-CUBE_SIZE,CUBE_SIZE,CUBE_SIZE)
|
|
popmatrix()
|
|
#
|
|
# bottom face
|
|
pushmatrix()
|
|
translate(0.0, -CUBE_SIZE, 0.0)
|
|
rotate(900, 'x')
|
|
color(YELLOW)
|
|
rectf(-CUBE_SIZE,-CUBE_SIZE,CUBE_SIZE,CUBE_SIZE)
|
|
popmatrix()
|
|
|
|
def drawcube(x,y) :
|
|
#
|
|
pushmatrix()
|
|
rotate(2*x, 'x')
|
|
rotate(2*y, 'y')
|
|
color(BLACK)
|
|
clear()
|
|
cube()
|
|
popmatrix()
|
|
swapbuffers()
|
|
|
|
|
|
main ()
|