def update_fps_counter():
global previous_second, frame_count
current_second = glfw.GetTime()
elapsed_seconds = current_second - previous_second
if elapsed_seconds > 0.25:
previous_second = current_second
fps = float(frame_count) / float(elapsed_seconds)
glfw.SetWindowTitle(window, '%s @ FPS: %.2f' % (window_title, fps))
frame_count = 0.0
frame_count += 1.0
def update_fps_counter(self):
current_second = glfw.GetTime()
elapsed_seconds = current_second - self.previous_second
if elapsed_seconds > 1.0:
self.previous_second = current_second
fps = float(self.frame_count) / float(elapsed_seconds)
glfw.SetWindowTitle(self.windowID,
'%s @ FPS: %.2f' % (self.window_title, fps))
self.frame_count = 0.0
self.frame_count += 1.0
def update_fps_counter(self):
current_second = glfw.GetTime()
elapsed_seconds = current_second - self._previous_second
if elapsed_seconds > 0.25:
self._previous_second = current_second
fps = float(self._frame_count) / float(elapsed_seconds)
new_title = '{} @ FPS: {:.2f}'.format(self._title, fps)
glfw.SetWindowTitle(self._window, new_title)
self._frame_count = 0.0
self._frame_count += 1.0
def main():
appName = 'First App'
glfw.Init()
glfw.WindowHint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.WindowHint(glfw.CONTEXT_VERSION_MINOR, 3)
# glfw.WindowHint(glfw.OPENGL_FORWARD_COMPAT, GL_TRUE)
# glfw.WindowHint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
window = glfw.CreateWindow(800, 800, appName)
glfw.SetWindowSizeCallback(window, window_size_callback)
glfw.SetKeyCallback(window, key_callback)
glfw.MakeContextCurrent(window)
glfw.SwapInterval(1)
try:
initOpenGL()
except Exception as e:
print(e)
exit(1)
prevTime = time()
frameCount = 0
frameTimeSum = 0
lastUpdateTime = prevTime
while not glfw.WindowShouldClose(window):
glfw.PollEvents()
display(window)
glfw.SwapBuffers(window)
curTime = time()
frameTime = (curTime - prevTime)
# if frameTime != 0: print(1 / frameTime)
sleep(0.016)
if curTime - lastUpdateTime > 1:
glfw.SetWindowTitle(
window, '%s, FPS: %s' %
(appName, str(round(frameCount / frameTimeSum))))
frameCount = 0
frameTimeSum = 0
lastUpdateTime = curTime
frameTimeSum += frameTime
frameCount += 1
prevTime = curTime
glfw.DestroyWindow(window)
glfw.Terminate()
def run_window(self):
last_time = glfw.GetTime()
frames = 0
while glfw.GetKey(
self.window,
glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.WindowShouldClose(
self.window):
current_time = glfw.GetTime()
if current_time - last_time >= 1.0:
glfw.SetWindowTitle(self.window,
"Loaded! Running at FPS: %d" % (frames))
frames = 0
last_time = current_time
self.render()
frames += 1
for object in self._render_objects:
object.delete()
glDeleteProgram(self._mapping['program_id'])
glDeleteVertexArrays(1, [self._mapping['vertex_array_id']])
glfw.Terminate()
def create_cursor_from_pixels(pixels, W, H):
image = glfw.Image()
im = 255 * np.ones((H, W, 4), dtype=np.uint8)
im[:, :, :pixels.shape[2]] = pixels
image.pixels = im
return glfw.CreateCursor(image, W / 2, H / 2)
def create_cursor(icon_path, W, H):
pixels = Image.open(icon_path)
pixels = np.array(pixels.resize((W, H), Image.ANTIALIAS))
return create_cursor_from_pixels(pixels, W, H)
#glfw.IconifyWindow(window)
#glfw.RestoreWindow(window)
cursor = create_cursor(
'/home/dimitri/Pictures/Screenshot from 2017-08-06 15-04-26.png', 128, 128)
glfw.SetCursor(window, cursor)
i = 0
while not glfw.WindowShouldClose(window):
glfw.SwapBuffers(window)
glfw.PollEvents()
glfw.SetWindowTitle(window, "My Window")
glfw.SetWindowShouldClose(window, True)