| 546 | |
| 547 | |
| 548 | class HelpText(object): |
| 549 | def __init__(self, font, width, height): |
| 550 | lines = __doc__.split('\n') |
| 551 | self.font = font |
| 552 | self.dim = (680, len(lines) * 22 + 12) |
| 553 | self.pos = (0.5 * width - 0.5 * self.dim[0], 0.5 * height - 0.5 * self.dim[1]) |
| 554 | self.seconds_left = 0 |
| 555 | self.surface = pygame.Surface(self.dim) |
| 556 | self.surface.fill((0, 0, 0, 0)) |
| 557 | for n, line in enumerate(lines): |
| 558 | text_texture = self.font.render(line, True, (255, 255, 255)) |
| 559 | self.surface.blit(text_texture, (22, n * 22)) |
| 560 | self._render = False |
| 561 | self.surface.set_alpha(220) |
| 562 | |
| 563 | def toggle(self): |
| 564 | self._render = not self._render |
| 565 | |
| 566 | def render(self, display): |
| 567 | if self._render: |
| 568 | display.blit(self.surface, self.pos) |
| 569 | |
| 570 | |
| 571 | # ============================================================================== |