set options using flags

main.py

@@ -6,13 +6,13 @@ from math import cos, sin
 from typing import cast
 import dearpygui.dearpygui as dpg  # pyright: ignore[reportMissingTypeStubs]
 
-RENDER_VERTICES = False
+RENDER_VERTICES = True
 RENDER_EDGES = True
 BEST_EFFORT_PARSE = True
 
 CANVAS_SIZE = 500
 TIMESTEP = 0.01
-CAMERA_DISTANCE = 3.0
+CAMERA_DISTANCE = 2.5
 
 VERTEX_SIZE = 5.0
 VERTEX_COLOR = (27, 188, 104)
@@ -147,9 +147,22 @@ def parse_obj_file(path: str) -> tuple[Vertex3Set, IndexedFaceSet]:
 def main():
     parser = argparse.ArgumentParser()
     _ = parser.add_argument("objfile", type=str, help=".obj file to render")
+    _ = parser.add_argument("--vertices", action="store_true", help="render vertices")
+    _ = parser.add_argument("--edges", action="store_true", help="render edges")
+    _ = parser.add_argument(
+        "--strict", action="store_true", help="require complete parsing of .obj file"
+    )
     args = parser.parse_args()
     args.objfile = cast(str, args.objfile)
 
+    global RENDER_VERTICES
+    global RENDER_EDGES
+    global BEST_EFFORT_PARSE
+
+    RENDER_VERTICES = bool(args.vertices)
+    RENDER_EDGES = bool(args.edges)
+    BEST_EFFORT_PARSE = not bool(args.strict)
+
     dpg.create_context()
 
     with dpg.theme() as canvas_theme, dpg.theme_component():