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comparison pytouhou/game/bullet.py @ 86:a87a3c080585

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Handle a few attack flags
author Thibaut Girka <thib@sitedethib.com>
date Sun, 04 Sep 2011 00:49:22 +0200
parents 3804f07d3b0e
children 2cc60137d368
comparison
equal deleted inserted replaced
85:3804f07d3b0e 86:a87a3c080585
12 ## GNU General Public License for more details. 12 ## GNU General Public License for more details.
13 ## 13 ##
14 14
15 from math import cos, sin, atan2, pi 15 from math import cos, sin, atan2, pi
16 16
17 from pytouhou.utils.interpolator import Interpolator
17 from pytouhou.vm.anmrunner import ANMRunner 18 from pytouhou.vm.anmrunner import ANMRunner
18 from pytouhou.game.sprite import Sprite 19 from pytouhou.game.sprite import Sprite
19 20
20 21
21 class Bullet(object): 22 class Bullet(object):
22 __slots__ = ('x', 'y', 'angle', 'speed', 23 __slots__ = ('x', 'y', 'angle', 'speed', 'frame', 'grazed',
23 'flags', 'attributes', 'anim_idx', 'sprite_idx_offset', 'player', 24 'flags', 'attributes', 'anim_idx', 'sprite_idx_offset', 'player',
25 'speed_interpolator',
24 '_game_state', '_sprite', '_anmrunner', 26 '_game_state', '_sprite', '_anmrunner',
25 '_removed', '_launched') 27 '_removed', '_launched')
26 28
27 def __init__(self, pos, anim_idx, sprite_idx_offset, 29 def __init__(self, pos, anim_idx, sprite_idx_offset,
28 angle, speed, attributes, flags, player, game_state): 30 angle, speed, attributes, flags, player, game_state):
29 self._game_state = game_state 31 self._game_state = game_state
30 self._sprite = None 32 self._sprite = None
31 self._anmrunner = None 33 self._anmrunner = None
32 self._removed = False 34 self._removed = False
33 self._launched = False 35 self._launched = False
36
37 self.speed_interpolator = None
38 self.frame = 0
39 self.grazed = False
34 40
35 self.player = player 41 self.player = player
36 42
37 self.anim_idx = anim_idx 43 self.anim_idx = anim_idx
38 self.sprite_idx_offset = sprite_idx_offset 44 self.sprite_idx_offset = sprite_idx_offset
48 self.attributes = list(attributes) 54 self.attributes = list(attributes)
49 55
50 self.x, self.y = pos 56 self.x, self.y = pos
51 self.angle = angle 57 self.angle = angle
52 self.speed = speed 58 self.speed = speed
59
60 if flags & 1:
61 self.speed_interpolator = Interpolator((speed + 5.,))
62 self.speed_interpolator.set_interpolation_start(0, (speed + 5.,))
63 self.speed_interpolator.set_interpolation_end(16, (speed,))
53 64
54 65
55 def is_visible(self, screen_width, screen_height): 66 def is_visible(self, screen_width, screen_height):
56 if self._sprite: 67 if self._sprite:
57 tx, ty, tw, th = self._sprite.texcoords 68 tx, ty, tw, th = self._sprite.texcoords
89 if not self._sprite or self._sprite._removed: 100 if not self._sprite or self._sprite._removed:
90 self._launched = True 101 self._launched = True
91 self._sprite = Sprite() 102 self._sprite = Sprite()
92 self._anmrunner = ANMRunner(self._game_state.resources.etama_anm_wrappers[0], #TODO 103 self._anmrunner = ANMRunner(self._game_state.resources.etama_anm_wrappers[0], #TODO
93 self.anim_idx, self._sprite, self.sprite_idx_offset) 104 self.anim_idx, self._sprite, self.sprite_idx_offset)
94 #TODO: self._anmrunner.sprite_idx_offset = self.sprite_idx_offset
95 105
96 if self._anmrunner and not self._anmrunner.run_frame(): 106 if self._anmrunner and not self._anmrunner.run_frame():
97 self._anmrunner = None 107 self._anmrunner = None
98 108
99 self._sprite.update() 109 self._sprite.update()
102 self._sprite.update_vertices_uvs_colors(angle_base=angle) 112 self._sprite.update_vertices_uvs_colors(angle_base=angle)
103 113
104 #TODO: flags 114 #TODO: flags
105 x, y = self.x, self.y 115 x, y = self.x, self.y
106 116
117 if self.flags & 16:
118 #TODO: duration, count
119 length, angle = self.attributes[4:6]
120 angle = self.angle if angle < -900.0 else angle #TODO: is that right?
121 dx = cos(self.angle) * self.speed + cos(angle) * length
122 dy = sin(self.angle) * self.speed + sin(angle) * length
123 self.speed = (dx ** 2 + dy ** 2) ** 0.5
124 self.angle = atan2(dy, dx)
125 elif self.flags & 32:
126 #TODO: duration, count
127 #TODO: check
128 acceleration, angular_speed = self.attributes[4:6]
129 self.speed += acceleration
130 self.angle += angular_speed
131 #TODO: other flags
132
133 if self.speed_interpolator:
134 self.speed_interpolator.update(self.frame)
135 self.speed, = self.speed_interpolator.values
136
107 dx, dy = cos(self.angle) * self.speed, sin(self.angle) * self.speed 137 dx, dy = cos(self.angle) * self.speed, sin(self.angle) * self.speed
108 self.x, self.y = x + dx, y + dy 138 self.x, self.y = x + dx, y + dy
109 139
140 self.frame += 1
141