annotate pytouhou/game/item.py @ 152:86807b8a63bd

Add collisions with enemies and items.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sun, 09 Oct 2011 15:32:43 -0700
parents 5cf927cbd9c5
children 37df8c618c2e
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
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4 ##
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5 ## This program is free software; you can redistribute it and/or modify
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6 ## it under the terms of the GNU General Public License as published
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7 ## by the Free Software Foundation; version 3 only.
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8 ##
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9 ## This program is distributed in the hope that it will be useful,
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10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ## GNU General Public License for more details.
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13 ##
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14
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15
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16 from math import cos, sin, atan2, pi
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17
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18
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19 class Item(object):
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20 def __init__(self, pos, item_type, angle, speed, player, game):
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21 self._game = game
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22 self._sprite = item_type.sprite
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23 self._removed = False
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24 self._item_type = item_type
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26 self.hitbox_half_size = item_type.hitbox_size / 2.
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28 self.frame = 0
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30 self.player = player
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32 self.x, self.y = pos
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33 self.angle = angle
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34 self.speed = speed
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35 dx, dy = cos(angle) * speed, sin(angle) * speed
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36 self.delta = dx, dy
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37
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38 self._sprite.angle = angle
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40
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41 def collect(self, player):
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42 player.state.score += self._item_type.score
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43 self._removed = True
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46 def update(self):
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47 dx, dy = self.delta
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48
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49 if self.player is not None:
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50 self.angle = atan2(self.player.y - self.y, self.player.x - self.x)
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51 dx, dy = cos(self.angle) * self.speed, sin(self.angle) * self.speed
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52 else:
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53 pass #TODO: item falls!
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54
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55 self.x += dx
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56 self.y += dy
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57