Mercurial > touhou
annotate pytouhou/game/bullet.pyx @ 469:58b47e788c59
Move SDL context-manager and Window creation outside of main.
| author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
|---|---|
| date | Sat, 14 Sep 2013 01:05:42 +0200 |
| parents | feecdb4a8928 |
| children | 8038f1957b71 |
| rev | line source |
|---|---|
| 84 | 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 | |
|
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15 from libc.math cimport cos, sin, atan2, M_PI as pi |
| 84 | 16 |
| 17 from pytouhou.vm.anmrunner import ANMRunner | |
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18 from pytouhou.game.sprite cimport Sprite |
| 84 | 19 |
| 20 | |
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21 cdef class Bullet(Element): |
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22 def __init__(self, pos, bullet_type, unsigned long sprite_idx_offset, |
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23 double angle, double speed, attributes, unsigned long flags, target, Game game, |
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24 bint player_bullet=False, unsigned long damage=0, tuple hitbox=None): |
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25 cdef double launch_mult |
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26 |
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27 Element.__init__(self, pos) |
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28 |
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29 self._game = game |
| 123 | 30 self._bullet_type = bullet_type |
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31 self.state = LAUNCHING |
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32 self.was_visible = True |
| 84 | 33 |
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34 if hitbox is not None: |
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35 self.hitbox[:] = [hitbox[0], hitbox[1]] |
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36 else: |
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37 self.hitbox[:] = [bullet_type.hitbox_size, bullet_type.hitbox_size] |
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38 |
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39 self.speed_interpolator = None |
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40 self.frame = 0 |
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41 self.grazed = False |
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42 |
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232
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43 self.target = target |
| 84 | 44 |
| 45 self.sprite_idx_offset = sprite_idx_offset | |
| 46 | |
| 47 self.flags = flags | |
| 48 self.attributes = list(attributes) | |
| 49 | |
| 50 self.angle = angle | |
| 51 self.speed = speed | |
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52 self.dx, self.dy = cos(angle) * speed, sin(angle) * speed |
| 84 | 53 |
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54 self.player_bullet = player_bullet |
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55 self.damage = damage |
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56 |
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57 #TODO |
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58 if flags & 14: |
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59 if flags & 2: |
| 123 | 60 index = bullet_type.launch_anim2_index |
| 61 launch_mult = bullet_type.launch_anim_penalties[0] | |
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62 elif flags & 4: |
| 123 | 63 index = bullet_type.launch_anim4_index |
| 64 launch_mult = bullet_type.launch_anim_penalties[1] | |
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65 else: |
| 123 | 66 index = bullet_type.launch_anim8_index |
| 67 launch_mult = bullet_type.launch_anim_penalties[2] | |
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68 self.dx, self.dy = self.dx * launch_mult, self.dy * launch_mult |
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69 self.sprite = Sprite() |
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70 self.anmrunner = ANMRunner(bullet_type.anm, |
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71 index, self.sprite, |
| 123 | 72 bullet_type.launch_anim_offsets[sprite_idx_offset]) |
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73 else: |
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74 self.launch() |
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75 |
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76 if self.player_bullet: |
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77 self.sprite.angle = angle - pi |
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78 else: |
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79 self.sprite.angle = angle |
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80 |
| 84 | 81 |
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82 cdef bint is_visible(self, unsigned int screen_width, unsigned int screen_height): |
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83 cdef double tw, th |
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84 |
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85 tw, th = self.sprite.texcoords[2:] |
| 123 | 86 x, y = self.x, self.y |
| 84 | 87 |
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88 max_x = tw / 2 |
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89 max_y = th / 2 |
| 84 | 90 |
| 123 | 91 if (max_x < x - screen_width |
| 92 or max_x < -x | |
| 93 or max_y < y - screen_height | |
| 94 or max_y < -y): | |
| 84 | 95 return False |
| 96 return True | |
| 97 | |
| 98 | |
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99 cpdef set_anim(self, sprite_idx_offset=None): |
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100 if sprite_idx_offset is not None: |
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101 self.sprite_idx_offset = sprite_idx_offset |
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102 |
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103 bt = self._bullet_type |
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104 self.sprite = Sprite() |
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105 if self.player_bullet: |
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106 self.sprite.angle = self.angle - pi |
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107 else: |
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108 self.sprite.angle = self.angle |
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109 self.anmrunner = ANMRunner(bt.anm, bt.anim_index, |
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110 self.sprite, self.sprite_idx_offset) |
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111 |
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112 |
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113 cdef void launch(self): |
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114 self.state = LAUNCHED |
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115 self.frame = 0 |
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116 self.set_anim() |
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117 self.dx, self.dy = cos(self.angle) * self.speed, sin(self.angle) * self.speed |
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118 |
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119 if self.flags & 1: |
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120 self.speed_interpolator = Interpolator((self.speed + 5.,), 0, |
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121 (self.speed,), 16) |
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122 |
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123 |
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124 cdef void collide(self): |
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125 self.cancel() |
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126 self._game.new_particle((self.x, self.y), 10, 256) #TODO: find the real size. |
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127 |
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128 |
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129 cdef void cancel(self): |
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130 # Cancel animation |
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131 bt = self._bullet_type |
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132 self.sprite = Sprite() |
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133 if self.player_bullet: |
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134 self.sprite.angle = self.angle - pi |
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135 else: |
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136 self.sprite.angle = self.angle |
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137 self.anmrunner = ANMRunner(bt.anm, bt.cancel_anim_index, |
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138 self.sprite, bt.launch_anim_offsets[self.sprite_idx_offset]) |
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139 self.dx, self.dy = self.dx / 2., self.dy / 2. |
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140 |
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141 self.state = CANCELLED |
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142 |
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152
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143 |
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144 cdef void update(self): |
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145 cdef int frame, count, game_width, game_height |
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146 cdef double length, angle, speed, acceleration, angular_speed |
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147 |
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148 if self.anmrunner is not None and not self.anmrunner.run_frame(): |
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149 if self.state == LAUNCHING: |
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150 #TODO: check if it doesn't skip a frame |
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151 self.launch() |
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152 elif self.state == CANCELLED: |
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153 self.removed = True |
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154 else: |
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155 self.anmrunner = None |
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156 |
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157 if self.state == LAUNCHING: |
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158 pass |
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159 elif self.state == CANCELLED: |
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160 pass |
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161 elif self.flags & 1: |
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162 # Initial speed burst |
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163 #TODO: use frame instead of interpolator? |
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164 if not self.speed_interpolator: |
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165 self.flags &= ~1 |
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166 elif self.flags & 16: |
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167 # Each frame, add a vector to the speed vector |
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168 length, angle = self.attributes[4:6] |
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169 angle = self.angle if angle < -900.0 else angle #TODO: is that right? |
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170 self.dx += cos(angle) * length |
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171 self.dy += sin(angle) * length |
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172 self.speed = (self.dx ** 2 + self.dy ** 2) ** 0.5 |
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173 self.angle = self.sprite.angle = atan2(self.dy, self.dx) |
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174 if self.sprite.automatic_orientation: |
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175 self.sprite.changed = True |
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176 if self.frame == self.attributes[0]: #TODO: include last frame, or not? |
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177 self.flags &= ~16 |
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178 elif self.flags & 32: |
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179 # Each frame, accelerate and rotate |
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180 #TODO: check |
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181 acceleration, angular_speed = self.attributes[4:6] |
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182 self.speed += acceleration |
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183 self.angle += angular_speed |
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184 self.dx = cos(self.angle) * self.speed |
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185 self.dy = sin(self.angle) * self.speed |
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186 self.sprite.angle = self.angle |
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187 if self.sprite.automatic_orientation: |
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188 self.sprite.changed = True |
|
149
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189 if self.frame == self.attributes[0]: |
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190 self.flags &= ~32 |
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191 elif self.flags & 448: |
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192 #TODO: check |
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193 frame, count = self.attributes[0:2] |
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194 angle, speed = self.attributes[4:6] |
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195 if self.frame % frame == 0: |
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196 count -= 1 |
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197 |
|
124
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198 if self.frame != 0: |
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199 self.speed = self.speed if speed < -900 else speed |
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200 |
|
124
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201 if self.flags & 64: |
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202 self.angle += angle |
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203 elif self.flags & 128: |
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204 self.angle = atan2(self.target.y - self.y, |
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205 self.target.x - self.x) + angle |
|
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206 elif self.flags & 256: |
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207 self.angle = angle |
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208 |
|
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209 self.dx = cos(self.angle) * self.speed |
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210 self.dy = sin(self.angle) * self.speed |
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211 self.sprite.angle = self.angle |
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212 if self.sprite.automatic_orientation: |
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213 self.sprite.changed = True |
|
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214 |
| 127 | 215 if count >= 0: |
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216 self.speed_interpolator = Interpolator((self.speed,), self.frame, |
|
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217 (0.,), self.frame + frame - 1) |
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218 else: |
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219 self.flags &= ~448 |
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220 |
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221 self.attributes[1] = count |
|
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222 |
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223 # Common updates |
|
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224 |
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225 if self.speed_interpolator: |
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226 self.speed_interpolator.update(self.frame) |
|
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227 speed, = self.speed_interpolator.values |
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228 self.dx = cos(self.angle) * speed |
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229 self.dy = sin(self.angle) * speed |
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230 |
|
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231 self.x += self.dx |
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232 self.y += self.dy |
| 84 | 233 |
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234 self.frame += 1 |
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235 |
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236 game_width, game_height = self._game.width, self._game.height |
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237 |
|
258
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238 # Filter out-of-screen bullets and handle special flags |
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239 if self.flags & 448: |
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240 self.was_visible = False |
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241 elif self.is_visible(game_width, game_height): |
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242 self.was_visible = True |
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243 elif self.was_visible: |
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244 self.removed = True |
|
260
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245 if self.flags & (1024 | 2048) and self.attributes[0] > 0: |
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246 # Bounce! |
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247 if self.x < 0 or self.x > game_width: |
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248 self.angle = pi - self.angle |
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249 self.removed = False |
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250 if self.y < 0 or ((self.flags & 1024) and self.y > game_height): |
|
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251 self.angle = -self.angle |
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252 self.removed = False |
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253 self.sprite.angle = self.angle |
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254 if self.sprite.automatic_orientation: |
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255 self.sprite.changed = True |
|
260
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256 self.dx = cos(self.angle) * self.speed |
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257 self.dy = sin(self.angle) * self.speed |
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258 self.attributes[0] -= 1 |