103 lines
3.7 KiB
Python
103 lines
3.7 KiB
Python
# This file is part of ROBOTGAME
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#
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# ROBOTGAME is free software: you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option) any later
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# version.
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#
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# ROBOTGAME is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# ROBOTGAME. If not, see <http://www.gnu.org/licenses/>.
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#
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# ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '
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#
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# laser.py
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# --------------------
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# date created : Sun Aug 12 2012
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# copyright : (C) 2012 Niels G. W. Serup
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# maintained by : Niels G. W. Serup <ns@metanohi.name>
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"""
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A laser for drawing.
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"""
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import pygame
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import worldobject
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import robotgame.logic.lasermirror as lm
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class Laser(worldobject.WorldObject):
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def __init__(self, level, line, first_laser=False):
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self.__dict__.update(locals())
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(self.x0, self.y0), (self.x1, self.y1) = line
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self.x0d, self.y0d, self.x1d, self.y1d \
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= self.x0 * 64, (self.y0 + 4) * 48, self.x1 * 64, (self.y1 + 4) * 48
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if self.y0d > self.y1d:
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self.y0d, self.y1d = self.y1d, self.y0d
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if self.x0d > self.x1d:
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self.x0d, self.x1d = self.x1d, self.x0d
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worldobject.WorldObject.__init__(self, level, self.x0d,
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max(self.y0d, self.y1d))
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x0de = 31
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y0de = -48
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x1de = 31
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y1de = -48
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if self.x0 < 0:
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x0de += 32
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if self.y0 < 0:
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y0de += 24
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if self.x1d >= self.level.size[0]:
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x1de -= 32
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if self.first_laser and self.y0 == 0 and self.y0 != self.y1:
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y0de += 6
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if self.level.playfield.get((self.x0, self.y0)) is lm.Target and self.x0 < self.x1:
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x0de += 20
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if self.level.playfield.get((self.x1, self.y1)) is lm.Target and self.x0 < self.x1:
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x1de -= 20
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self.x0d += x0de
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self.y0d += y0de
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self.x1d += x1de
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self.y1d += y1de
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self.start_dark = 0
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self.surf = pygame.Surface(self.level.game.window.get_size(),
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pygame.SRCALPHA)
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def update(self, e, t, dt):
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self.start_dark = (t % 200) / 100
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worldobject.WorldObject.update(self, e, t, dt)
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def draw(self, window):
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self.surf.fill((0, 0, 0, 0))
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colors = [(155, 0, 0), (255, 0, 0)]
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c = self.start_dark
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if self.x0d != self.x1d:
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length = self.x1d - self.x0d
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for i in range(0, length, 8):
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x0d = self.x0d + i
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pygame.draw.line(self.surf, colors[c],
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(x0d - self.level.camera_x,
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self.y0d - self.level.camera_y),
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(x0d + min(8, length - i) - self.level.camera_x,
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self.y1d - self.level.camera_y), 2)
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c ^= 1
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else:
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length = self.y1d - self.y0d
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for i in range(0, length, 8):
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y0d = self.y0d + i
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pygame.draw.line(self.surf, colors[c],
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(self.x0d - self.level.camera_x,
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y0d - self.level.camera_y),
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(self.x0d - self.level.camera_x,
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y0d + min(8, length - i) - self.level.camera_y), 2)
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c ^= 1
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window.blit(self.surf, (0, 0))
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