def on_resize(self, event, arg=None):
if event:
w = event.width
h = event.height
else:
if arg:
w = arg['w']
h = arg['h']
else:
raise Exception
dx = w/h
glViewport(0, 0, w, h)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glOrtho(
-2 * dx,
2 * dx,
-2,
2,
-2,
2
)
def on_resize(self, event, arg=None):
if event:
w = event.width
h = event.height
else:
if arg:
w = arg['w']
h = arg['h']
else:
raise Exception
dx = w/h
glViewport(0, 0, w, h)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glOrtho(
-2 * dx,
2 * dx,
-2,
2,
-2,
2
)
def render_scene(self):
self.rot += 0.5
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
glRotatef(self.rot, 1, 1, 0.5)
# Draw a simple cube.
glBegin(GL_QUADS)
glColor3f(0, 1, 0)
glVertex3f(1, 1, -1)
glVertex3f(-1, 1, -1)
glVertex3f(-1, 1, 1)
glVertex3f(1, 1, 1)
glColor3f(1, 0.5, 0)
glVertex3f(1, -1, 1)
glVertex3f(-1, -1, 1)
glVertex3f(-1, -1, -1)
glVertex3f(1, -1, -1)
glColor3f(1, 0, 0)
glVertex3f(1, 1, 1)
glVertex3f(-1, 1, 1)
glVertex3f(-1, -1, 1)
glVertex3f(1, -1, 1)
glColor3f(1, 1, 0)
glVertex3f(1, -1, -1)
glVertex3f(-1, -1, -1)
glVertex3f(-1, 1, -1)
glVertex3f(1, 1, -1)
glColor3f(0, 0, 1)
glVertex3f(-1, 1, 1)
glVertex3f(-1, 1, -1)
glVertex3f(-1, -1, -1)
glVertex3f(-1, -1, 1)
glColor3f(1, 0, 1)
glVertex3f(1, 1, -1)
glVertex3f(1, 1, 1)
glVertex3f(1, -1, 1)
glVertex3f(1, -1, -1)
glEnd()
glFlush()
def render_scene(self):
self.rot += .5
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
glRotatef(self.rot, 1, 1, 0.5)
# Draw a simple cube.
glBegin(GL_QUADS)
glColor3f(0, 1, 0)
glVertex3f(1, 1, -1)
glVertex3f(-1, 1, -1)
glVertex3f(-1, 1, 1)
glVertex3f(1, 1, 1)
glColor3f(1, 0.5, 0)
glVertex3f(1, -1, 1)
glVertex3f(-1, -1, 1)
glVertex3f(-1, -1, -1)
glVertex3f(1, -1, -1)
glColor3f(1, 0, 0)
glVertex3f(1, 1, 1)
glVertex3f(-1, 1, 1)
glVertex3f(-1, -1, 1)
glVertex3f(1, -1, 1)
glColor3f(1, 1, 0)
glVertex3f(1, -1, -1)
glVertex3f(-1, -1, -1)
glVertex3f(-1, 1, -1)
glVertex3f(1, 1, -1)
glColor3f(0, 0, 1)
glVertex3f(-1, 1, 1)
glVertex3f(-1, 1, -1)
glVertex3f(-1, -1, -1)
glVertex3f(-1, -1, 1)
glColor3f(1, 0, 1)
glVertex3f(1, 1, -1)
glVertex3f(1, 1, 1)
glVertex3f(1, -1, 1)
glVertex3f(1, -1, -1)
glEnd()
glFlush()
def set_ortho_view(self):
glEnable(GL_BLEND)
glEnable(GL_DEPTH_TEST)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
glClearColor(0, 0, 0, 0)
glClearDepth(1)
glMatrixMode(GL_PROJECTION)
self.on_resize(None,
arg={
'w': self.winfo_width(),
'h': self.winfo_height()
})
print('%s - %s - %s' %
(glGetString(GL_VENDOR), glGetString(GL_VERSION),
glGetString(GL_RENDERER)))
def set_ortho_view(self):
glEnable(GL_BLEND)
glEnable(GL_DEPTH_TEST)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
glClearColor(0, 0, 0, 0)
glClearDepth(1)
glMatrixMode(GL_PROJECTION)
self.on_resize(None, arg={
'w': self.winfo_width(),
'h': self.winfo_height()
})
print('%s - %s - %s' % (
glGetString(GL_VENDOR),
glGetString(GL_VERSION),
glGetString(GL_RENDERER)
))
