| 253 | |
| 254 | |
| 255 | class HelpText(object): |
| 256 | def __init__(self, font, width, height): |
| 257 | lines = __doc__.split('\n') |
| 258 | self.font = font |
| 259 | self.dim = (680, len(lines) * 22 + 12) |
| 260 | self.pos = (0.5 * width - 0.5 * self.dim[0], 0.5 * height - 0.5 * self.dim[1]) |
| 261 | self.seconds_left = 0 |
| 262 | self.surface = pygame.Surface(self.dim) |
| 263 | self.surface.fill(COLOR_BLACK) |
| 264 | for n, line in enumerate(lines): |
| 265 | text_texture = self.font.render(line, True, COLOR_WHITE) |
| 266 | self.surface.blit(text_texture, (22, n * 22)) |
| 267 | self._render = False |
| 268 | self.surface.set_alpha(220) |
| 269 | |
| 270 | def toggle(self): |
| 271 | self._render = not self._render |
| 272 | |
| 273 | def render(self, display): |
| 274 | if self._render: |
| 275 | display.blit(self.surface, self.pos) |
| 276 | |
| 277 | |
| 278 | # ============================================================================== |