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Contents
#
# Spore 2
# by Mike Davis.
#
# A short program for alife experiments. Click in the window to restart.
# Each cell is represented by a pixel on the display as well as an entry in
# the array 'cells'. Each cell has a run method, which performs actions
# based on the cell's surroundings. Cells run one at a time (to avoid conflicts
# like wanting to move to the same space) and in random order.
#
load_library :cell
attr_reader :cells, :black, :colours, :spore1, :spore2, :spore3, :spore4
MAX_CELLS = 8000
# set lower for smoother animation, higher for faster simulation
RUNS_PER_LOOP = 10000
def setup
size(640, 360)
frame_rate(24)
@black = color(0, 0, 0)
@spore1 = color(128, 172, 255)
@spore2 = color(64, 128, 255)
@spore3 = color(255, 128, 172)
@spore4 = color(255, 64, 128)
@colours =[spore1, spore2, spore3, spore4]
reset!
end
def reset!
clear_screen
seed
end
def seed
load_pixels
@cells = []
# Add cells at random places
MAX_CELLS.times do
cx = rand(0 ... width)
cy = rand(0 ... height)
if (getpix(cx, cy) == black)
setpix(cx, cy, colours.sample)
cells << Cell.new(self, cx, cy)
end
end
update_pixels
end
def draw
# Run cells in random order
RUNS_PER_LOOP.times do
cells.sample.run
end
update_pixels
end
def clear_screen
background(0)
end
def setpix(x, y, c)
while (x < 0)
x += width
end
while (x > (width - 1))
x -= width
end
while (y < 0)
y += height
end
while (y > (height - 1))
y -= height
end
pixels[y * width + x] = c
end
def getpix(x, y)
while (x < 0)
x += width
end
while (x > (width - 1))
x -= width
end
while (y < 0)
y += height
end
while (y > (height - 1))
y -= height
end
return pixels[y * width + x]
end
def mouse_pressed
reset!
end
Version data entries
9 entries across 9 versions & 1 rubygems