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import math
import os
import sys
import imgui
import moderngl
import pygame
from zengl_imgui import PygameBackend
os.environ['SDL_WINDOWS_DPI_AWARENESS'] = 'permonitorv2'
pygame.init()
pygame.display.set_mode((1280, 720), flags=pygame.OPENGL | pygame.DOUBLEBUF, vsync=True)
class MGLBackend(PygameBackend):
def __init__(self):
super().__init__()
self.renderer.ctx.end_frame(flush=False)
def render(self):
self.renderer.ctx.new_frame(clear=False)
super().render()
self.renderer.ctx.end_frame()
impl = MGLBackend()
class Scene:
def __init__(self):
self.ctx = moderngl.get_context()
def render(self):
now = pygame.time.get_ticks() / 1000.0
r = math.sin(now + 0.0) * 0.5 + 0.5
g = math.sin(now + 2.1) * 0.5 + 0.5
b = math.sin(now + 4.2) * 0.5 + 0.5
self.ctx.clear(r, g, b)
scene = Scene()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
impl.process_event(event)
impl.process_inputs()
imgui.new_frame()
imgui.show_test_window()
imgui.end_frame()
imgui.render()
scene.render()
impl.render()
pygame.display.flip()
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