initial commit

map_display.py

@@ -0,0 +1,30 @@
+from typing import Optional
+
+import pygame
+
+
+class MapDisplay:
+    PATH_WIDTH = 5
+
+    def __init__(self, surf: pygame.Surface, min_lat: float, max_lat: float, min_lon: float, max_lon: float):
+        self.surf: pygame.Surface = surf
+        self.min_lat: float = min_lat
+        self.max_lat: float = max_lat
+        self.min_lon: float = min_lon
+        self.max_lon: float = max_lon
+
+    def real_to_screen(self, lat: float, lon: float) -> tuple[float, float]:
+        x = (lon - self.min_lon) / (self.max_lon - self.min_lon)
+        y = (lat - self.min_lat) / (self.max_lat - self.min_lat)
+
+        w, h = self.surf.get_size()
+        return x * w, y * h
+
+    def draw_path(self, path: list[tuple[int, int]], colors: Optional[list[tuple[int, int, int]]]) -> None:
+        for i, (lat, lon) in enumerate(path):
+            x, y = self.real_to_screen(lat, lon)
+            col = (255, 255, 255) if colors is None else colors[i]
+            pygame.draw.circle(self.surf, col, (x, y), self.PATH_WIDTH)
+
+    def draw_segment(self, path: list[tuple[int, int]], start_i: int, end_i: int) -> None:
+        raise NotImplementedError