Mercurial > touhou
annotate pytouhou/game/bullet.pyx @ 371:6702bc0215dc
Replace GL_QUADS with GL_TRIANGLES, to be GLES compatible.
| author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
|---|---|
| date | Fri, 27 Jul 2012 18:57:40 +0200 |
| parents | b5ab2ad06de8 |
| children | 690b5faaa0e6 |
| 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 |
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30 cdef public object attributes, damage, hitbox_half_size, 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 |
| 84 | 43 |
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44 if hitbox: |
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45 self.hitbox_half_size = (hitbox[0] / 2., hitbox[1] / 2.) |
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46 else: |
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47 self.hitbox_half_size = (bullet_type.hitbox_size / 2., bullet_type.hitbox_size / 2.) |
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48 |
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49 self.speed_interpolator = None |
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50 self.frame = 0 |
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51 self.grazed = False |
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52 |
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53 self.target = target |
| 84 | 54 |
| 55 self.sprite_idx_offset = sprite_idx_offset | |
| 56 | |
| 57 self.flags = flags | |
| 58 self.attributes = list(attributes) | |
| 59 | |
| 60 self.x, self.y = pos | |
| 61 self.angle = angle | |
| 62 self.speed = speed | |
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63 self.dx, self.dy = cos(angle) * speed, sin(angle) * speed |
| 84 | 64 |
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65 self.player_bullet = player_bullet |
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66 self.damage = damage |
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67 |
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68 #TODO |
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69 if flags & 14: |
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70 if flags & 2: |
| 123 | 71 index = bullet_type.launch_anim2_index |
| 72 launch_mult = bullet_type.launch_anim_penalties[0] | |
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73 elif flags & 4: |
| 123 | 74 index = bullet_type.launch_anim4_index |
| 75 launch_mult = bullet_type.launch_anim_penalties[1] | |
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76 else: |
| 123 | 77 index = bullet_type.launch_anim8_index |
| 78 launch_mult = bullet_type.launch_anim_penalties[2] | |
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79 self.dx, self.dy = self.dx * launch_mult, self.dy * launch_mult |
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80 self.sprite = Sprite() |
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81 self.anmrunner = ANMRunner(bullet_type.anm_wrapper, |
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82 index, self.sprite, |
| 123 | 83 bullet_type.launch_anim_offsets[sprite_idx_offset]) |
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84 self.anmrunner.run_frame() |
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85 else: |
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86 self.launch() |
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87 |
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88 if self.player_bullet: |
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89 self.sprite.angle = angle - pi |
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90 else: |
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91 self.sprite.angle = angle |
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92 |
| 84 | 93 |
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94 cpdef is_visible(Bullet self, screen_width, screen_height): |
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95 tx, ty, tw, th = self.sprite.texcoords |
| 123 | 96 x, y = self.x, self.y |
| 84 | 97 |
| 98 max_x = tw / 2. | |
| 99 max_y = th / 2. | |
| 100 | |
| 123 | 101 if (max_x < x - screen_width |
| 102 or max_x < -x | |
| 103 or max_y < y - screen_height | |
| 104 or max_y < -y): | |
| 84 | 105 return False |
| 106 return True | |
| 107 | |
| 108 | |
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109 def set_anim(Bullet self, sprite_idx_offset=None): |
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110 if sprite_idx_offset is not None: |
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111 self.sprite_idx_offset = sprite_idx_offset |
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112 |
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113 bt = self._bullet_type |
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114 self.sprite = Sprite() |
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115 if self.player_bullet: |
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116 self.sprite.angle = self.angle - pi |
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117 else: |
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118 self.sprite.angle = self.angle |
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119 self.anmrunner = ANMRunner(bt.anm_wrapper, bt.anim_index, |
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120 self.sprite, self.sprite_idx_offset) |
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121 self.anmrunner.run_frame() |
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122 |
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123 |
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124 def launch(Bullet self): |
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125 self.state = LAUNCHED |
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126 self.frame = 0 |
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127 self.set_anim() |
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128 self.dx, self.dy = cos(self.angle) * self.speed, sin(self.angle) * self.speed |
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129 |
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130 if self.flags & 1: |
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131 self.speed_interpolator = Interpolator((self.speed + 5.,), 0, |
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132 (self.speed,), 16) |
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133 |
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134 |
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135 def collide(Bullet self): |
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136 self.cancel() |
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137 self._game.new_particle((self.x, self.y), 1, 3., 256) #TODO: find the real size. |
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138 |
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139 |
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140 def cancel(Bullet self): |
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141 # Cancel animation |
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142 bt = self._bullet_type |
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143 self.sprite = Sprite() |
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144 if self.player_bullet: |
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145 self.sprite.angle = self.angle - pi |
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146 else: |
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147 self.sprite.angle = self.angle |
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148 self.anmrunner = ANMRunner(bt.anm_wrapper, bt.cancel_anim_index, |
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149 self.sprite, bt.launch_anim_offsets[self.sprite_idx_offset]) |
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150 self.anmrunner.run_frame() |
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151 self.dx, self.dy = self.dx / 2., self.dy / 2. |
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152 |
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153 self.state = CANCELLED |
|
161
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154 |
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152
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155 |
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156 def update(Bullet self): |
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157 if self.anmrunner is not None and not self.anmrunner.run_frame(): |
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158 if self.state == LAUNCHING: |
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159 #TODO: check if it doesn't skip a frame |
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160 self.launch() |
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161 elif self.state == CANCELLED: |
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162 self.removed = True |
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163 else: |
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164 self.anmrunner = None |
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165 |
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166 if self.state == LAUNCHING: |
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167 pass |
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168 elif self.state == CANCELLED: |
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169 pass |
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170 elif self.flags & 1: |
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171 # Initial speed burst |
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172 #TODO: use frame instead of interpolator? |
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173 if not self.speed_interpolator: |
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174 self.flags &= ~1 |
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175 elif self.flags & 16: |
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176 # Each frame, add a vector to the speed vector |
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177 length, angle = self.attributes[4:6] |
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178 angle = self.angle if angle < -900.0 else angle #TODO: is that right? |
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179 self.dx += cos(angle) * length |
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180 self.dy += sin(angle) * length |
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181 self.speed = (self.dx ** 2 + self.dy ** 2) ** 0.5 |
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182 self.angle = self.sprite.angle = atan2(self.dy, self.dx) |
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183 if self.sprite.automatic_orientation: |
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184 self.sprite.changed = True |
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185 if self.frame == self.attributes[0]: #TODO: include last frame, or not? |
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186 self.flags &= ~16 |
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187 elif self.flags & 32: |
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188 # Each frame, accelerate and rotate |
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189 #TODO: check |
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190 acceleration, angular_speed = self.attributes[4:6] |
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191 self.speed += acceleration |
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192 self.angle += angular_speed |
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193 self.dx = cos(self.angle) * self.speed |
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194 self.dy = sin(self.angle) * self.speed |
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195 self.sprite.angle = self.angle |
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196 if self.sprite.automatic_orientation: |
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197 self.sprite.changed = True |
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149
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198 if self.frame == self.attributes[0]: |
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199 self.flags &= ~32 |
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200 elif self.flags & 448: |
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201 #TODO: check |
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202 frame, count = self.attributes[0:2] |
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203 angle, speed = self.attributes[4:6] |
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204 if self.frame % frame == 0: |
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205 count = count - 1 |
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206 |
|
124
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207 if self.frame != 0: |
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208 self.speed = self.speed if speed < -900 else speed |
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209 |
|
124
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210 if self.flags & 64: |
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211 self.angle += angle |
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212 elif self.flags & 128: |
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213 self.angle = atan2(self.target.y - self.y, |
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214 self.target.x - self.x) + angle |
|
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215 elif self.flags & 256: |
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216 self.angle = angle |
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217 |
|
256
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218 self.dx = cos(self.angle) * self.speed |
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219 self.dy = sin(self.angle) * self.speed |
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220 self.sprite.angle = self.angle |
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221 if self.sprite.automatic_orientation: |
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222 self.sprite.changed = True |
|
122
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223 |
| 127 | 224 if count >= 0: |
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225 self.speed_interpolator = Interpolator((self.speed,), self.frame, |
|
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226 (0.,), self.frame + frame - 1) |
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227 else: |
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228 self.flags &= ~448 |
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229 |
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230 self.attributes[1] = count |
|
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231 |
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232 # Common updates |
|
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233 |
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234 if self.speed_interpolator: |
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235 self.speed_interpolator.update(self.frame) |
|
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236 speed, = self.speed_interpolator.values |
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237 self.dx = cos(self.angle) * speed |
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238 self.dy = sin(self.angle) * speed |
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239 |
|
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240 self.x += self.dx |
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241 self.y += self.dy |
| 84 | 242 |
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243 self.frame += 1 |
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244 |
|
258
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245 # Filter out-of-screen bullets and handle special flags |
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246 if self.flags & 448: |
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247 self.was_visible = False |
|
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248 elif self.is_visible(self._game.width, self._game.height): |
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249 self.was_visible = True |
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250 elif self.was_visible: |
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251 self.removed = True |
|
260
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252 if self.flags & (1024 | 2048) and self.attributes[0] > 0: |
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253 # Bounce! |
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254 if self.x < 0 or self.x > self._game.width: |
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255 self.angle = pi - self.angle |
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256 self.removed = False |
|
260
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257 if self.y < 0 or ((self.flags & 1024) and self.y > self._game.height): |
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258 self.angle = -self.angle |
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259 self.removed = False |
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260 self.sprite.angle = self.angle |
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261 if self.sprite.automatic_orientation: |
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262 self.sprite.changed = True |
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260
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263 self.dx = cos(self.angle) * self.speed |
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264 self.dy = sin(self.angle) * self.speed |
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e22e0d73f614
Implement bullet flags 1024 and 2048 (bouncing bullet).
Thibaut Girka <thib@sitedethib.com>
parents:
258
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changeset
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265 self.attributes[0] -= 1 |
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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
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266 |