step 6: add animation and high rate update stress tests

This commit is contained in:
2026-07-02 15:06:10 +02:00
parent 1a476bc91d
commit f4716e0d19
9 changed files with 352 additions and 21 deletions

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# pyright: reportGeneralTypeIssues=false
import math
import random
import threading
import time
import dearpygui.dearpygui as dpg
import dpg_gauges as dpgg
def main() -> None:
latest = {"rpm": 0.0, "boost": 0.0, "fuel": 0.0, "battery": 0.0}
lock = threading.Lock()
stop = threading.Event()
def producer() -> None:
started = time.monotonic()
while not stop.is_set():
elapsed = time.monotonic() - started
with lock:
latest["rpm"] = random.uniform(0, 8000)
latest["boost"] = 15 + math.sin(elapsed * 25.0) * 15
latest["fuel"] = 50 + math.sin(elapsed * 4.0) * 50
latest["battery"] = random.uniform(0, 100)
time.sleep(1 / 500)
def gui_update() -> None:
with lock:
snapshot = dict(latest)
for tag, value in snapshot.items():
dpgg.set_value(tag, value)
dpg.set_frame_callback(dpg.get_frame_count() + 1, gui_update)
dpg.create_context()
thread = threading.Thread(target=producer, daemon=True)
try:
with dpg.window(label="Worst Case", width=760, height=420), dpgg.gauge_grid(columns=4):
dpgg.analog_gauge(tag="rpm", label="RPM", max_value=8000, width=180, height=180)
dpgg.bar_gauge(tag="boost", label="Boost", max_value=30, width=180, height=90)
dpgg.level_gauge(tag="fuel", label="Fuel", width=120, height=180)
dpgg.battery_gauge(tag="battery", label="Battery", width=180, height=90)
dpg.create_viewport(title="dpg-gauges worst case", width=800, height=460)
dpg.setup_dearpygui()
thread.start()
dpg.set_frame_callback(1, gui_update)
dpg.show_viewport()
dpg.start_dearpygui()
finally:
stop.set()
thread.join(timeout=1.0)
dpg.destroy_context()
if __name__ == "__main__":
main()