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# Basic OBJ file viewer. needs objloader from:
# http://www.pygame.org/wiki/OBJFileLoader
# LMB + move: rotate
# RMB + move: pan
# Scroll wheel: zoom in/out
import sys, pygame
from pygame.locals import *
from pygame.constants import *
from OpenGL.GL import *
from OpenGL.GLU import *
# IMPORT OBJECT LOADER
from objloader import *
pygame.init()
viewport = (256,256)
hx = viewport[0]/2
hy = viewport[1]/2
srf = pygame.display.set_mode(viewport, OPENGL | DOUBLEBUF)
glLightfv(GL_LIGHT0, GL_POSITION, (-40, 200, 100, 0.0))
glLightfv(GL_LIGHT0, GL_AMBIENT, (0.2, 0.2, 0.2, 1.0))
glLightfv(GL_LIGHT0, GL_DIFFUSE, (0.5, 0.5, 0.5, 1.0))
glEnable(GL_LIGHT0)
glEnable(GL_LIGHTING)
glEnable(GL_COLOR_MATERIAL)
glEnable(GL_DEPTH_TEST)
glShadeModel(GL_SMOOTH)
# LOAD OBJECT AFTER PYGAME INIT
obj = OBJ(sys.argv[1], swapyz=len(sys.argv) > 2)
clock = pygame.time.Clock()
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
width, height = viewport
gluPerspective(90.0, width/float(height), 1, 100.0)
glEnable(GL_DEPTH_TEST)
glMatrixMode(GL_MODELVIEW)
rx, ry = (0,0)
tx, ty = (0,0)
zpos = 6
rotate = move = False
while 1:
clock.tick(30)
for e in pygame.event.get():
if e.type == QUIT:
sys.exit()
elif e.type == KEYDOWN and e.key == K_ESCAPE:
sys.exit()
elif e.type == KEYDOWN and e.key == K_s:
pygame.image.save(srf, sys.argv[1][:-4] + '.tga')
elif e.type == MOUSEBUTTONDOWN:
if e.button == 4: zpos = max(1, zpos-1)
elif e.button == 5: zpos += 1
elif e.button == 1: rotate = True
elif e.button == 3: move = True
elif e.type == MOUSEBUTTONUP:
if e.button == 1: rotate = False
elif e.button == 3: move = False
elif e.type == MOUSEMOTION:
i, j = e.rel
if rotate:
rx += i
ry += j
if move:
tx += i
ty -= j
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glLoadIdentity()
# RENDER OBJECT
glTranslate(tx/20., ty/20., - zpos)
glRotate(ry, 1, 0, 0)
glRotate(rx, 0, 1, 0)
glCallList(obj.gl_list)
pygame.display.flip()
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