def register(self):
""" register callbacks with glut """
glutMouseFunc(self.handle_mouse_button)
glutMotionFunc(self.handle_mouse_move)
glutKeyboardFunc(self.handle_keystroke)
glutSpecialFunc(self.handle_keystroke)
glutPassiveMotionFunc(None)
def register(self):
""" register callbacks with glut """
glutMouseFunc(self.handle_mouse_button)
glutMotionFunc(self.handle_mouse_move)
glutKeyboardFunc(self.handle_keystroke)
glutSpecialFunc(self.handle_keystroke)
glutPassiveMotionFunc(None)
def run():
global window
glutInit(sys.argv)
# Select type of Display mode:
# Double buffer
# RGBA color
# Alpha components supported
# Depth buffer
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH)
# get a 640 x 480 window
resolution = get_state()["camera"]["resolution"]
glutInitWindowSize(int(resolution[0]), int(resolution[1]))
# the window starts at the upper left corner of the screen
glutInitWindowPosition(0, 0)
# Okay, like the C version we retain the window id to use when closing, but for those of you new
# to Python (like myself), remember this assignment would make the variable local and not global
# if it weren't for the global declaration at the start of main.
window = glutCreateWindow("Waffle")
# Register the drawing function with glut, BUT in Python land, at least using PyOpenGL, we need to
# set the function pointer and invoke a function to actually register the callback, otherwise it
# would be very much like the C version of the code.
glutDisplayFunc(DrawGLScene)
# Uncomment this line to get full screen.
# glutFullScreen()
# When we are doing nothing, redraw the scene.
glutIdleFunc(idleFunc)
# Register the function called when our window is resized.
glutReshapeFunc(ReSizeGLScene)
# Register the function called when the keyboard is pressed.
glutKeyboardFunc(keyDown)
glutKeyboardUpFunc(keyUp)
glutMouseFunc(onMouseClick)
glutMotionFunc(onMouseClickMove)
glutPassiveMotionFunc(onMouseMove)
# Initialize our window.
InitGL()
init_world()
init_interface()
# Start Event Processing Engine
glutMainLoop()
def initialize(self):
"""Sets up the OpenGL window and binds input callbacks to it
"""
glutKeyboardFunc(self._on_key_down)
glutSpecialFunc(self._on_special_key_down)
# [Keyboard/Special]Up methods aren't supported on some old GLUT implementations
has_keyboard_up = False
has_special_up = False
try:
if bool(glutKeyboardUpFunc):
glutKeyboardUpFunc(self._on_key_up)
has_keyboard_up = True
if bool(glutSpecialUpFunc):
glutSpecialUpFunc(self._on_special_key_up)
has_special_up = True
except NullFunctionError:
# Methods aren't available on this GLUT version
pass
if not has_keyboard_up or not has_special_up:
# Warn on old GLUT implementations that don't implement much of the interface.
self._logger.warning(
"Warning: Old GLUT implementation detected - keyboard remote control of Vector disabled."
"We recommend installing freeglut. %s",
_glut_install_instructions())
self._is_keyboard_control_enabled = False
else:
self._is_keyboard_control_enabled = True
try:
GLUT_BITMAP_9_BY_15
except NameError:
self._logger.warning(
"Warning: GLUT font not detected. Help message will be unavailable."
)
glutMouseFunc(self._on_mouse_button)
glutMotionFunc(self._on_mouse_move)
glutPassiveMotionFunc(self._on_mouse_move)
glutIdleFunc(self._idle)
glutVisibilityFunc(self._visible)
def register_callbacks():
"""
Registers the following callbacks with GLUT:
- glutKeyboardFunc
- glutKeyboardUpFunc
- glutSpecialFunc
- glutSpecialUpFunc
- glutMotionFunc
- glutPassiveMotionFunc
- glutMouseFunc
"""
glutKeyboardFunc(_key_down)
glutKeyboardUpFunc(_key_up)
glutSpecialFunc(_special_down)
glutSpecialUpFunc(_special_up)
glutMotionFunc(_mouse_pos_listener)
glutPassiveMotionFunc(_mouse_pos_listener)
glutMouseFunc(_mouse_button_listener)
