nagslang: nagslang/game_object.py comparison

Hostile terrian objects

author	Neil Muller <drnlmuller@gmail.com>
date	Fri, 06 Sep 2013 16:13:43 +0200
parents	282113d86d75
children	55752fc7b753

comparison

equal deleted inserted replaced

-:4a665dc554b4
+:50fce787ae17
 def update(self, dt):
 super(ClawAttack, self).update(dt)
 if self.lifetime > 0.1:
 self.physicser.remove_from_space()
 self.remove = True
+class HostileTerrain(GameObject):
+zorder = ZORDER_FLOOR
+damage = None
+tile = None
+# How often to hit the player
+rate = 5
+def __init__(self, space, position, outline):
+body = make_body(10, pymunk.inf, position)
+# Adjust shape relative to position
+shape_outline = [(p[0] - position[0], p[1] - position[1]) for
+p in outline]
+self.shape = pymunk.Poly(body, shape_outline)
+self._ticks = 0
+self.shape.collision_type = COLLISION_TYPE_SWITCH
+self.shape.sensor = True
+super(HostileTerrain, self).__init__(
+SingleShapePhysicser(space, self.shape),
+render.TiledRenderer(outline,
+resources.get_image('tiles', self.tile)))
+def collide_with_protagonist(self, protagonist):
+# We're called every frame we're colliding, so
+# There are timing issues with stepping on and
+# off terrian, but as long as the rate is reasonably
+# low, they shouldn't impact gameplay
+if self._ticks == 0:
+protagonist.lose_health(self.damage)
+self._ticks += 1
+if self._ticks > self.rate:
+self._ticks = 0
+@classmethod
+def requires(cls):
+return [("name", "string"), ("position", "coordinates"),
+("outline", "polygon")]
+class AcidFloor(HostileTerrain):
+damage = 1
+tile = 'acid.png'

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