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comparison pytouhou/game/item.py @ 150:4f46717390aa

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Introduce items, implement ECL instruction 83
author Thibaut Girka <thib@sitedethib.com>
date Tue, 04 Oct 2011 23:09:41 +0200
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children 5cf927cbd9c5
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149:3673d55a8448 150:4f46717390aa
1 # -*- encoding: utf-8 -*-
2 ##
3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
4 ##
5 ## This program is free software; you can redistribute it and/or modify
6 ## it under the terms of the GNU General Public License as published
7 ## by the Free Software Foundation; version 3 only.
8 ##
9 ## This program is distributed in the hope that it will be useful,
10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ## GNU General Public License for more details.
13 ##
14
15
16 from math import cos, sin, atan2, pi
17
18
19 class Item(object):
20 def __init__(self, pos, item_type, angle, speed, player, game_state):
21 self._game_state = game_state
22 self._sprite = item_type.sprite
23 self._removed = False
24 self._item_type = item_type
25
26 self.hitbox_half_size = item_type.hitbox_size / 2.
27
28 self.frame = 0
29
30 self.player = player
31
32 self.x, self.y = pos
33 self.angle = angle
34 self.speed = speed
35 dx, dy = cos(angle) * speed, sin(angle) * speed
36 self.delta = dx, dy
37
38 self._sprite.angle = angle
39
40
41 def update(self):
42 dx, dy = self.delta
43
44 if self.player is not None:
45 self.angle = atan2(self.player.y - self.y, self.player.x - self.x)
46 dx, dy = cos(self.angle) * self.speed, sin(self.angle) * self.speed
47 else:
48 pass #TODO: item falls!
49
50 self.x += dx
51 self.y += dy
52