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import os
import math
import moderngl_window as mglw
class Example(mglw.WindowConfig):
title = "ModernGL Window"
resizable = False
gl_version = (3, 3)
window_size = (800, 800)
aspect_ratio = 1.0
resource_dir = os.path.normpath(os.path.join(__file__, '../data'))
def __init__(self, **kwargs):
super().__init__(**kwargs)
def render(self, time: float, frame_time: float):
self.ctx.clear(
(math.sin(time) + 1.0) / 2,
(math.sin(time + 2) + 1.0) / 2,
(math.sin(time + 3) + 1.0) / 2,
)
def resize(self, width: int, heigh: int):
"""
Pick window resizes in case we need yo update
internal states when this happens.
"""
print("Window resized to", width, heigh)
def iconify(self, iconify: bool):
"""Window hide/minimize and restore"""
print("Window was iconified:", iconify)
def key_event(self, key, action, modifiers):
keys = self.wnd.keys
# Key presses
if action == keys.ACTION_PRESS:
if key == keys.SPACE:
print("SPACE key was pressed")
# Using modifiers (shift and ctrl)
if key == keys.Z and modifiers.shift:
print("Shift + Z was pressed")
if key == keys.Z and modifiers.ctrl:
print("ctrl + Z was pressed")
# Key releases
elif action == self.wnd.keys.ACTION_RELEASE:
if key == keys.SPACE:
print("SPACE key was released")
if action == keys.ACTION_PRESS:
# Move the window around with AWSD
if key == keys.A:
self.wnd.position = self.wnd.position[0] - 20, self.wnd.position[1]
if key == keys.D:
self.wnd.position = self.wnd.position[0] + 20, self.wnd.position[1]
if key == keys.W:
self.wnd.position = self.wnd.position[0], self.wnd.position[1] - 20
if key == keys.S:
self.wnd.position = self.wnd.position[0], self.wnd.position[1] + 20
# Resize window around with Shift + AWSD
if self.wnd.modifiers.shift and key == keys.A:
self.wnd.size = self.wnd.size[0] - 50, self.wnd.size[1]
if self.wnd.modifiers.shift and key == keys.D:
self.wnd.size = self.wnd.size[0] + 50, self.wnd.size[1]
if self.wnd.modifiers.shift and key == keys.W:
self.wnd.size = self.wnd.size[0], self.wnd.size[1] - 50
if self.wnd.modifiers.shift and key == keys.S:
self.wnd.size = self.wnd.size[0], self.wnd.size[1] + 50
# toggle cursor
if key == keys.C:
self.wnd.cursor = not self.wnd.cursor
# Shuffle window title
if key == keys.T:
title = list(self.wnd.title)
random.shuffle(title)
self.wnd.title = ''.join(title)
# Toggle mouse exclusivity
if key == keys.M:
self.wnd.mouse_exclusivity = not self.wnd.mouse_exclusivity
def mouse_position_event(self, x, y, dx, dy):
print("Mouse position pos={} {} delta={} {}".format(x, y, dx, dy))
def mouse_drag_event(self, x, y, dx, dy):
print("Mouse drag pos={} {} delta={} {}".format(x, y, dx, dy))
def mouse_scroll_event(self, x_offset, y_offet):
print("mouse_scroll_event", x_offset, y_offet)
def mouse_press_event(self, x, y, button):
print("Mouse button {} pressed at {}, {}".format(button, x, y))
print("Mouse states:", self.wnd.mouse_states)
def mouse_release_event(self, x: int, y: int, button: int):
print("Mouse button {} released at {}, {}".format(button, x, y))
print("Mouse states:", self.wnd.mouse_states)
def unicode_char_entered(self, char):
print("unicode_char_entered:", char)
if __name__ == '__main__':
Example.run()
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