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