Coverage for pyrc\core\visualization\color\vpython.py: 67%

1# ------------------------------------------------------------------------------- 

2# Copyright (C) 2026 Joel Kimmich, Tim Jourdan 

3# ------------------------------------------------------------------------------ 

4# License 

5# This file is part of PyRC, distributed under GPL-3.0-or-later. 

6# ------------------------------------------------------------------------------ 

7 

8from typing import Generator 

9from vpython import vector 

10from pyrc.core.visualization.color.color import cycle_palette, initial_discrete_color_map 

11 

12 

13def cycle_palette_vpython(cmap: str = initial_discrete_color_map) -> Generator[vector, None, None]: 

14 """ 

15 Yield VPython vector colours from a colormap, cycling indefinitely. 

16 

17 Parameters 

18 ---------- 

19 cmap : str 

20 Colormap name passed to cycle_palette. 

21 

22 Yields 

23 ------ 

24 vector 

25 VPython color vector with components (r, g, b) in [0, 1]. 

26 

27 Examples 

28 -------- 

29 >>> generator = cycle_palette_vpython() 

30 >>> first_three_colors = [next(generator) for _ in range(3)]) 

31 """ 

32 for rgb in cycle_palette(cmap): 

33 yield vector(float(rgb[0]), float(rgb[1]), float(rgb[2]))