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#! /usr/bin/env python
# -*- coding: utf-8 -*-
#
# sprites.py is part of Cells. Cells 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.
#
# Cells 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 Cells. If not, see <http://www.gnu.org/licenses/>.
import math
import pygame
from colors import red, yellow, black, grey, white
from random import randint
################################################################################
# the Super Group... because regular groups aren't good enough
################################################################################
class Group(pygame.sprite.Group):
# We'll call it a quick fix; I meant to add more.
def set_pos(self, x, y): self.x, self.y = x, y
################################################################################
# Text Sprite
################################################################################
class Text(pygame.sprite.Sprite):
def __init__(self, text, size, color = black):
pygame.sprite.Sprite.__init__(self)
default = pygame.font.get_default_font()
font = pygame.font.Font(default, size)
self.original = font.render(text, True, color)
self.image = self.original.copy()
self.rect = self.image.get_rect()
################################################################################
# Moving Sprites are the way to go
################################################################################
class MovingSprite(pygame.sprite.Sprite):
def __init__(self, game):
pygame.sprite.Sprite.__init__(self)
self.game = game
def angle(self, x, y):
distance = self.game.dist(self.rect.centerx, self.rect.centery, x, y)
angle = math.acos(float(x - self.rect.centerx) / float(distance))
angle *= 180.0 / math.pi # because pygame likes degrees
if y > self.rect.centery:
angle = 360 - angle
return angle
def move(self, angle):
dx = math.cos(angle * math.pi / 180) * self.speed
dy = -math.sin(angle * math.pi / 180) * self.speed
self.rect.move_ip(dx, dy)
################################################################################
# The Prisoner
################################################################################
class Prisoner(MovingSprite):
def __init__(self, game, species, x, y, LorR):
MovingSprite.__init__(self, game)
self.species = species
self.speed = randint(16, 22)
self.LorR = LorR
# this is the image you see most of the time
self.original = pygame.Surface((40,40)).convert()
self.original.fill(yellow)
pygame.draw.circle(self.original, black, (20,20), 20)
self.original.set_colorkey(yellow)
self.rect = self.original.get_rect()
# this is the one you see when the mouse is hovering
# over it and it's in the escape area
self.selected_img = self.original.copy()
pygame.draw.circle(self.selected_img, grey,(20,20), 17)
# let the original image be the one we start off with
self.image = self.original.copy()
# let's also let everyone know what kind of animal we are
text = Text(str(self.species + 1), size = int(20), color = white)
text.rect.center = self.rect.center
self.text = Group((text))
self.text.draw(self.image)
if self.LorR == 'left':
self.rect.center = (x - 21, y)
else:
self.rect.center = (x + 21, y)
def update(self):
m = pygame.mouse.get_pos()
d = self.game.dist(m[0], m[1], self.rect.centerx, self.rect.centery)
button1, button2, button3 = pygame.mouse.get_pressed()
a = self.game.escArea.prisoners
if (d <= 20 and
self in a.sprites() and
not self.game.guard.moving):
self.image = self.selected_img.copy()
self.text.draw(self.image)
if (button1 or button2 or button3):
self.game.move_count += 1
a.remove(self)
for i in range(0, self.game.cell_count):
if self.species == self.game.cells[i].getMyHS().species:
self.game.cells[i].getMyHS().addPrisoner(self)
else:
self.image = self.original.copy()
self.text.draw(self.image)
x = self.groups()[0].x
y = self.groups()[0].y
if self.LorR == 'left': x -= 21
else: x += 21
d = self.game.dist(x, y, 600, 450)
if d < 85:
angle = (((360.0 / self.game.cell_count) * self.species) - 90) % 360
x, y = self.game.polToCart(int(60), angle)
d = self.game.dist(x, y, self.rect.centerx, self.rect.centery)
if d > self.speed: self.move(self.angle(x, y))
else: self.rect.center = (x, y)
################################################################################
# The Guard
################################################################################
class Guard(MovingSprite):
def __init__(self, game):
MovingSprite.__init__(self, game)
self.speed = 15
self.image = pygame.Surface((40,40))
self.image.fill(white)
pygame.draw.circle(self.image, black, (20,20), 20)
pygame.draw.circle(self.image, red, (20,20), 17)
self.image.set_colorkey(white)
self.rect = self.image.get_rect()
self.moving = False
self.rect.center = (-100, -100)
self.destx, self.desty = 50, 50
self.i ,self.stop = 0, 0
def setDest(self, dest):
self.destx, self.desty = dest[0], dest[1]
def circ(self, x, y):
distance = self.game.dist(600, 450, x, y)
angle = math.acos(float(x - 600) / float(distance))
angle *= 180.0 / math.pi # because pygame likes degrees
if y > 450:
angle = 360 - angle
angle = (480 - angle) % 360
i = int(angle / (360.0 / self.game.cell_count))
return i
def path(self, i):
d = int(350)
angle = []
for j in range(-90, 400, (360 / self.game.cell_count)):
angle.append(j)
x = (int(d * math.cos(angle[i] * math.pi / 180.0)) + 600)
y = (int(d * math.sin(angle[i] * math.pi / 180.0)) + 450)
return (x,y)
def update(self):
button1, button2, button3 = pygame.mouse.get_pressed()
if not self.moving:
for i in range(0, len(self.game.cells)):
x, y = self.game.cells[i].x, self.game.cells[i].y
if self.game.cells[i].isSelected():
pygame.draw.circle(self.game.background, grey, (x, y), 50)
if (button1 or button2 or button3):
self.game.move_count += 1
self.moving = True
self.i = i
self.stop = self.i
self.setDest(self.path(self.i))
else:
pygame.draw.circle(self.game.background, white, (x, y), 50)
d = self.game.dist(self.rect.centerx, self.rect.centery,
self.destx, self.desty)
if d > self.speed and self.moving:
self.move(self.angle(self.destx, self.desty))
elif self.moving:
self.game.cells[self.i].update()
self.game.cells[self.i].getAdjHS().vacate()
self.i = (self.i + 1) % self.game.cell_count
if self.i != self.stop:
self.setDest(self.path(self.i))
else: self.moving = False
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