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# -*- coding: utf-8 -*-
# characters.py - module for weapon classes
# This file is part of brutalmaze
#
# brutalmaze is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# brutalmaze is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with brutalmaze. If not, see <http://www.gnu.org/licenses/>.
#
# Copyright (C) 2017 Nguyễn Gia Phong
__doc__ = 'brutalmaze module for weapon classes'
from math import cos, sin
from pygame.time import get_ticks
from .constants import *
from .misc import regpoly, fill_aapolygon
class Bullet:
"""Object representing a bullet.
Attributes:
surface (pygame.Surface): the display to draw on
x, y (int): coordinates of the center of the bullet (in pixels)
angle (float): angle of the direction the bullet pointing (in radians)
color (str): bullet's color name
fall_time (int): the tick that the bullet will fall down
sfx_hit (pygame.mixer.Sound): sound effect indicating target was hit
sfx_missed (pygame.mixer.Sound): sound effect indicating a miss shot
"""
def __init__(self, surface, x, y, angle, color):
self.surface = surface
self.x, self.y, self.angle, self.color = x, y, angle, color
self.fall_time = get_ticks() + BULLET_LIFETIME
if color == 'Aluminium':
self.sfx_hit = SFX_SHOT_ENEMY
else:
self.sfx_hit = SFX_SHOT_HERO
self.sfx_missed = SFX_MISSED
def update(self, fps, distance):
"""Update the bullet."""
s = distance * BULLET_SPEED / fps
self.x += s * cos(self.angle)
self.y += s * sin(self.angle)
def draw(self, radius):
"""Draw the bullet."""
pentagon = regpoly(5, radius, self.angle, self.x, self.y)
value = int((1-(self.fall_time-get_ticks())/BULLET_LIFETIME)*ENEMY_HP)
try:
fill_aapolygon(self.surface, pentagon, TANGO[self.color][value])
except IndexError:
pass
def place(self, x, y):
"""Move the bullet by (x, y) (in pixels)."""
self.x += x
self.y += y
def get_distance(self, x, y):
"""Return the from the center of the bullet to the point (x, y)."""
return ((self.x-x)**2 + (self.y-y)**2)**0.5
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