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"""
Demonstrates the different vertex formats supported.
Pyglet don't support all formats pywavefront can produce.
Supported by pyglet:
V3F
C3F_V3F
N3F_V3F
T2F_V3F
T2F_C3F_V3F
T2F_N3F_V3F
Additional formats:
C3F_N3F_V3F
T2F_C3F_N3F_V3F
"""
import ctypes
import os
from pyglet.gl import *
from pywavefront import visualization, Wavefront
window = pyglet.window.Window(width=1280, height=720, resizable=True)
root_path = os.path.dirname(__file__)
box1 = Wavefront(os.path.join(root_path, 'data/box/box-V3F.obj'))
box2 = Wavefront(os.path.join(root_path, 'data/box/box-C3F_V3F.obj'))
box3 = Wavefront(os.path.join(root_path, 'data/box/box-N3F_V3F.obj'))
box4 = Wavefront(os.path.join(root_path, 'data/box/box-T2F_V3F.obj'))
box5 = Wavefront(os.path.join(root_path, 'data/box/box-T2F_C3F_V3F.obj'))
box6 = Wavefront(os.path.join(root_path, 'data/box/box-T2F_N3F_V3F.obj'))
rotation = 0.0
lightfv = ctypes.c_float * 4
@window.event
def on_resize(width, height):
viewport_width, viewport_height = window.get_framebuffer_size()
glViewport(0, 0, viewport_width, viewport_height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(45., float(width)/height, 1., 100.)
glMatrixMode(GL_MODELVIEW)
return True
@window.event
def on_draw():
window.clear()
glLoadIdentity()
glLightfv(GL_LIGHT0, GL_POSITION, lightfv(-1.0, 1.0, 1.0, 0.0))
draw_box(box1, -4.0, 2.0)
draw_box(box2, 0.0, 2.0)
draw_box(box3, 4.0, 2.0)
draw_box(box4, -4.0, -2.0)
draw_box(box5, 0.0, -2.0)
draw_box(box6, 4.0, -2.0)
def draw_box(box, x, y):
glLoadIdentity()
glTranslated(x, y, -10.0)
glRotatef(rotation, 0.0, 1.0, 0.0)
glRotatef(-25.0, 1.0, 0.0, 0.0)
glRotatef(45.0, 0.0, 0.0, 1.0)
visualization.draw(box)
def update(dt):
global rotation
rotation += 90.0 * dt
if rotation > 720.0:
rotation = 0.0
pyglet.clock.schedule(update)
pyglet.app.run()
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