Mercurial > nagslang
comparison nagslang/game_object.py @ 416:bea0ea5b98df
Well, gravity.
| author | davidsharpe@lantea.local |
|---|---|
| date | Sat, 07 Sep 2013 12:52:16 +0200 |
| parents | c08d409a1c87 |
| children | 01f48d8dc56a |
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| 415:9d2a8dfba670 | 416:bea0ea5b98df |
|---|---|
| 209 return True | 209 return True |
| 210 | 210 |
| 211 def collide_with_claw_attack(self, claw_attack): | 211 def collide_with_claw_attack(self, claw_attack): |
| 212 return True | 212 return True |
| 213 | 213 |
| 214 def environmental_movement(self, dx, dy): | |
| 215 if (dx, dy) == (0, 0): | |
| 216 return | |
| 217 self.physicser.apply_impulse((dx, dy)) | |
| 218 | |
| 214 @classmethod | 219 @classmethod |
| 215 def requires(cls): | 220 def requires(cls): |
| 216 """Hints for the level editor""" | 221 """Hints for the level editor""" |
| 217 return [("name", "string")] | 222 return [("name", "string")] |
| 218 | 223 |
| 591 tile_alpha = 150 | 596 tile_alpha = 150 |
| 592 zorder = ZORDER_HIGH | 597 zorder = ZORDER_HIGH |
| 593 | 598 |
| 594 def apply_effect(self, protagonist): | 599 def apply_effect(self, protagonist): |
| 595 protagonist.force_wolf_form() | 600 protagonist.force_wolf_form() |
| 601 | |
| 602 class GravityWell(GameObject): | |
| 603 zorder = ZORDER_FLOOR | |
| 604 # How often to hit the player | |
| 605 rate = 5 | |
| 606 | |
| 607 def __init__(self, space, position, size, force): | |
| 608 body = make_body(10, pymunk.inf, position) | |
| 609 # Adjust shape relative to position | |
| 610 self.shape = pymunk.Circle(body, size) | |
| 611 self._ticks = 0 | |
| 612 self.force = force | |
| 613 self.shape.collision_type = COLLISION_TYPE_SWITCH | |
| 614 self.shape.sensor = True | |
| 615 super(GravityWell, self).__init__( | |
| 616 SingleShapePhysicser(space, self.shape), | |
| 617 render.ImageRenderer(resources.get_image( | |
| 618 'objects', 'gravity_well.png')), | |
| 619 ) | |
| 620 | |
| 621 def collide_with_protagonist(self, protagonist): | |
| 622 # We're called every frame we're colliding, so | |
| 623 # There are timing issues with stepping on and | |
| 624 # off terrian, but as long as the rate is reasonably | |
| 625 # low, they shouldn't impact gameplay | |
| 626 if self._ticks == 0: | |
| 627 self.apply_effect(protagonist) | |
| 628 self._ticks += 1 | |
| 629 if self._ticks > self.rate: | |
| 630 self._ticks = 0 | |
| 631 | |
| 632 def collide_with_furniture(self, furniture): | |
| 633 # We're called every frame we're colliding, so | |
| 634 # There are timing issues with stepping on and | |
| 635 # off terrian, but as long as the rate is reasonably | |
| 636 # low, they shouldn't impact gameplay | |
| 637 if self._ticks == 0: | |
| 638 self.apply_effect(furniture) | |
| 639 self._ticks += 1 | |
| 640 if self._ticks > self.rate: | |
| 641 self._ticks = 0 | |
| 642 | |
| 643 def apply_effect(self, object): | |
| 644 object.environmental_movement(self.force, self.force) | |
| 645 | |
| 646 @classmethod | |
| 647 def requires(cls): | |
| 648 return [("name", "string"), ("position", "coordinates"), | |
| 649 ("outline", "polygon (convex)")] |