time based lighting

kglobe.py

@@ -12,6 +12,7 @@ import argparse
 import asyncio
 import os
 import IP2Location
+from datetime import timezone, datetime
 
 from terminalplotter import TerminalPlotter
 
@@ -157,7 +158,7 @@ async def main():
         width, height = args.size
     else:
         height, width = await kitty.get_terminal_size_pixel()
-    plotter = TerminalPlotter(width, height)
+    plotter = TerminalPlotter(width, height, lighting='none')
     plotter.add_mesh(
         globe, color="tan", smooth_shading=False, texture=tex, show_edges=False
     )
@@ -185,6 +186,12 @@ async def main():
             color = "red"
         plotter.add_mesh(line, color=color, line_width=2)
 
+    now = datetime.now(timezone.utc)
+    sun_angle = (now.hour - 12) * (360/24)
+    light = pv.Light()
+    light.set_direction_angle(0.55864, sun_angle)
+    plotter.add_light(light)
+
     kitty.hide_cursor()
     try:
         await plotter.run()