Mercurial > touhou
annotate pytouhou/game/bullet.pyx @ 420:3a7b36324611
Replace Pyglet’s image loader with our SDL2_image-based one.
| author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
|---|---|
| date | Tue, 16 Jul 2013 21:07:15 +0200 |
| parents | efae61ad6efe |
| children | c9433188ffdb |
| 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 math import cos, sin, atan2, pi |
| 84 | 16 |
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17 from pytouhou.utils.interpolator import Interpolator |
| 84 | 18 from pytouhou.vm.anmrunner import ANMRunner |
| 19 from pytouhou.game.sprite import Sprite | |
| 20 | |
| 21 | |
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22 LAUNCHING, LAUNCHED, CANCELLED = range(3) |
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23 |
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24 cdef class Bullet(object): |
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25 cdef public unsigned int state, flags, frame, sprite_idx_offset |
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26 cdef public double dx, dy, angle, speed #TODO |
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27 cdef public object player_bullet, target |
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28 cdef public object _game, _bullet_type |
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29 cdef public object sprite, anmrunner, removed, was_visible, objects |
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30 cdef public object attributes, damage, hitbox, speed_interpolator, grazed |
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31 cdef public object x, y #TODO |
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32 |
| 123 | 33 def __init__(self, pos, bullet_type, sprite_idx_offset, |
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34 angle, speed, attributes, flags, target, game, |
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35 player_bullet=False, damage=0, hitbox=None): |
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36 self._game = game |
| 123 | 37 self._bullet_type = bullet_type |
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38 self.state = LAUNCHING |
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39 self.sprite = None |
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40 self.anmrunner = None |
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41 self.removed = False |
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42 self.was_visible = True |
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43 self.objects = [self] |
| 84 | 44 |
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45 if hitbox: |
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46 self.hitbox = (hitbox[0], hitbox[1]) |
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47 else: |
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48 self.hitbox = (bullet_type.hitbox_size, bullet_type.hitbox_size) |
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49 |
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50 self.speed_interpolator = None |
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51 self.frame = 0 |
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52 self.grazed = False |
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53 |
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54 self.target = target |
| 84 | 55 |
| 56 self.sprite_idx_offset = sprite_idx_offset | |
| 57 | |
| 58 self.flags = flags | |
| 59 self.attributes = list(attributes) | |
| 60 | |
| 61 self.x, self.y = pos | |
| 62 self.angle = angle | |
| 63 self.speed = speed | |
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64 self.dx, self.dy = cos(angle) * speed, sin(angle) * speed |
| 84 | 65 |
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66 self.player_bullet = player_bullet |
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67 self.damage = damage |
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68 |
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69 #TODO |
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70 if flags & 14: |
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71 if flags & 2: |
| 123 | 72 index = bullet_type.launch_anim2_index |
| 73 launch_mult = bullet_type.launch_anim_penalties[0] | |
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74 elif flags & 4: |
| 123 | 75 index = bullet_type.launch_anim4_index |
| 76 launch_mult = bullet_type.launch_anim_penalties[1] | |
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77 else: |
| 123 | 78 index = bullet_type.launch_anim8_index |
| 79 launch_mult = bullet_type.launch_anim_penalties[2] | |
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80 self.dx, self.dy = self.dx * launch_mult, self.dy * launch_mult |
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81 self.sprite = Sprite() |
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82 self.anmrunner = ANMRunner(bullet_type.anm_wrapper, |
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83 index, self.sprite, |
| 123 | 84 bullet_type.launch_anim_offsets[sprite_idx_offset]) |
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85 self.anmrunner.run_frame() |
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86 else: |
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87 self.launch() |
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88 |
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89 if self.player_bullet: |
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90 self.sprite.angle = angle - pi |
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91 else: |
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92 self.sprite.angle = angle |
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93 |
| 84 | 94 |
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95 cpdef is_visible(self, screen_width, screen_height): |
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96 tx, ty, tw, th = self.sprite.texcoords |
| 123 | 97 x, y = self.x, self.y |
| 84 | 98 |
| 99 max_x = tw / 2. | |
| 100 max_y = th / 2. | |
| 101 | |
| 123 | 102 if (max_x < x - screen_width |
| 103 or max_x < -x | |
| 104 or max_y < y - screen_height | |
| 105 or max_y < -y): | |
| 84 | 106 return False |
| 107 return True | |
| 108 | |
| 109 | |
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110 def set_anim(self, sprite_idx_offset=None): |
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111 if sprite_idx_offset is not None: |
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112 self.sprite_idx_offset = sprite_idx_offset |
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113 |
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114 bt = self._bullet_type |
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115 self.sprite = Sprite() |
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116 if self.player_bullet: |
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117 self.sprite.angle = self.angle - pi |
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118 else: |
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119 self.sprite.angle = self.angle |
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120 self.anmrunner = ANMRunner(bt.anm_wrapper, bt.anim_index, |
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121 self.sprite, self.sprite_idx_offset) |
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122 self.anmrunner.run_frame() |
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123 |
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124 |
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125 def launch(self): |
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126 self.state = LAUNCHED |
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127 self.frame = 0 |
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128 self.set_anim() |
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129 self.dx, self.dy = cos(self.angle) * self.speed, sin(self.angle) * self.speed |
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130 |
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131 if self.flags & 1: |
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132 self.speed_interpolator = Interpolator((self.speed + 5.,), 0, |
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133 (self.speed,), 16) |
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134 |
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135 |
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136 def collide(self): |
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137 self.cancel() |
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138 self._game.new_particle((self.x, self.y), 10, 256) #TODO: find the real size. |
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139 |
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140 |
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141 def cancel(self): |
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142 # Cancel animation |
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143 bt = self._bullet_type |
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144 self.sprite = Sprite() |
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145 if self.player_bullet: |
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146 self.sprite.angle = self.angle - pi |
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147 else: |
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148 self.sprite.angle = self.angle |
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149 self.anmrunner = ANMRunner(bt.anm_wrapper, bt.cancel_anim_index, |
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150 self.sprite, bt.launch_anim_offsets[self.sprite_idx_offset]) |
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151 self.anmrunner.run_frame() |
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152 self.dx, self.dy = self.dx / 2., self.dy / 2. |
|
161
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153 |
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154 self.state = CANCELLED |
|
161
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155 |
|
152
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156 |
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157 def update(self): |
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158 if self.anmrunner is not None and not self.anmrunner.run_frame(): |
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159 if self.state == LAUNCHING: |
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160 #TODO: check if it doesn't skip a frame |
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161 self.launch() |
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162 elif self.state == CANCELLED: |
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163 self.removed = True |
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164 else: |
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165 self.anmrunner = None |
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166 |
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167 if self.state == LAUNCHING: |
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168 pass |
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169 elif self.state == CANCELLED: |
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170 pass |
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171 elif self.flags & 1: |
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172 # Initial speed burst |
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173 #TODO: use frame instead of interpolator? |
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174 if not self.speed_interpolator: |
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175 self.flags &= ~1 |
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176 elif self.flags & 16: |
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177 # Each frame, add a vector to the speed vector |
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178 length, angle = self.attributes[4:6] |
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179 angle = self.angle if angle < -900.0 else angle #TODO: is that right? |
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180 self.dx += cos(angle) * length |
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181 self.dy += sin(angle) * length |
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182 self.speed = (self.dx ** 2 + self.dy ** 2) ** 0.5 |
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183 self.angle = self.sprite.angle = atan2(self.dy, self.dx) |
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184 if self.sprite.automatic_orientation: |
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185 self.sprite.changed = True |
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186 if self.frame == self.attributes[0]: #TODO: include last frame, or not? |
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187 self.flags &= ~16 |
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188 elif self.flags & 32: |
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189 # Each frame, accelerate and rotate |
|
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190 #TODO: check |
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191 acceleration, angular_speed = self.attributes[4:6] |
|
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192 self.speed += acceleration |
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193 self.angle += angular_speed |
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194 self.dx = cos(self.angle) * self.speed |
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195 self.dy = sin(self.angle) * self.speed |
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196 self.sprite.angle = self.angle |
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197 if self.sprite.automatic_orientation: |
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198 self.sprite.changed = True |
|
149
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199 if self.frame == self.attributes[0]: |
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200 self.flags &= ~32 |
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201 elif self.flags & 448: |
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202 #TODO: check |
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203 frame, count = self.attributes[0:2] |
|
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204 angle, speed = self.attributes[4:6] |
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205 if self.frame % frame == 0: |
|
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206 count = count - 1 |
|
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207 |
|
124
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208 if self.frame != 0: |
|
314
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209 self.speed = self.speed if speed < -900 else speed |
|
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210 |
|
124
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211 if self.flags & 64: |
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212 self.angle += angle |
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213 elif self.flags & 128: |
|
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214 self.angle = atan2(self.target.y - self.y, |
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215 self.target.x - self.x) + angle |
|
124
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216 elif self.flags & 256: |
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|
217 self.angle = angle |
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218 |
|
256
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219 self.dx = cos(self.angle) * self.speed |
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220 self.dy = sin(self.angle) * self.speed |
|
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221 self.sprite.angle = self.angle |
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222 if self.sprite.automatic_orientation: |
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223 self.sprite.changed = True |
|
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224 |
| 127 | 225 if count >= 0: |
|
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226 self.speed_interpolator = Interpolator((self.speed,), self.frame, |
|
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227 (0.,), self.frame + frame - 1) |
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|
228 else: |
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229 self.flags &= ~448 |
|
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230 |
|
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|
231 self.attributes[1] = count |
|
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232 |
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|
233 # Common updates |
|
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234 |
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235 if self.speed_interpolator: |
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|
236 self.speed_interpolator.update(self.frame) |
|
314
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|
237 speed, = self.speed_interpolator.values |
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238 self.dx = cos(self.angle) * speed |
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239 self.dy = sin(self.angle) * speed |
|
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240 |
|
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241 self.x += self.dx |
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242 self.y += self.dy |
| 84 | 243 |
|
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|
244 self.frame += 1 |
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245 |
|
258
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|
246 # Filter out-of-screen bullets and handle special flags |
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247 if self.flags & 448: |
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248 self.was_visible = False |
|
258
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249 elif self.is_visible(self._game.width, self._game.height): |
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250 self.was_visible = True |
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251 elif self.was_visible: |
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252 self.removed = True |
|
260
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253 if self.flags & (1024 | 2048) and self.attributes[0] > 0: |
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|
254 # Bounce! |
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255 if self.x < 0 or self.x > self._game.width: |
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256 self.angle = pi - self.angle |
|
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257 self.removed = False |
|
260
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258 if self.y < 0 or ((self.flags & 1024) and self.y > self._game.height): |
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|
259 self.angle = -self.angle |
|
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260 self.removed = False |
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261 self.sprite.angle = self.angle |
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262 if self.sprite.automatic_orientation: |
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263 self.sprite.changed = True |
|
260
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264 self.dx = cos(self.angle) * self.speed |
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e22e0d73f614
Implement bullet flags 1024 and 2048 (bouncing bullet).
Thibaut Girka <thib@sitedethib.com>
parents:
258
diff
changeset
|
265 self.dy = sin(self.angle) * self.speed |
|
e22e0d73f614
Implement bullet flags 1024 and 2048 (bouncing bullet).
Thibaut Girka <thib@sitedethib.com>
parents:
258
diff
changeset
|
266 self.attributes[0] -= 1 |
|
258
620134bc51f4
Move bullet visibility check to Bullet to improve performance and prepare handling of flags 1024 and 2048.
Thibaut Girka <thib@sitedethib.com>
parents:
257
diff
changeset
|
267 |