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#!/usr/bin/env ruby | |
# Author : Emad Elsaid (https://github.com/blazeeboy) | |
require 'gosu' | |
include Gosu | |
DIMENSION, SPLITS, COLOR = 200, 50, Color::GREEN | |
# credits to: http://en.wikipedia.org/wiki/Maze_generation_algorithm | |
class GameWindow < Window | |
def initialize | |
super DIMENSION, DIMENSION, false, 1000 | |
self.caption = "Maze" | |
end | |
def draw | |
complexity, density = 0.75, 0.75 | |
shape = [(SPLITS / 2) * 2 , (SPLITS / 2) * 2 ] # Only odd shapes | |
# Adjust complexity and density relative to maze size | |
complexity = (complexity * (5 * (shape[0] + shape[1]))) | |
density = (density * (shape[0] / 2 * shape[1] / 2)) | |
z = Array.new(shape[0]){ Array.new(shape[1], 0) } # Build actual maze | |
# Fill borders | |
z[0] = z[-1].fill 1 | |
z.each { |l| l[0] = l[-1] = 1 } | |
for i in 0...density # Make isles | |
x, y = rand(shape[1] / 2) * 2, rand(shape[0] / 2) * 2 | |
z[y][x] = 1 | |
for j in 0...complexity | |
neighbours = [] | |
neighbours << [y, x - 2] if x > 1 | |
neighbours << [y, x + 2] if x < shape[1] - 2 | |
neighbours << [y - 2, x] if y > 1 | |
neighbours << [y + 2, x] if y < shape[0] - 2 | |
unless neighbours.empty? | |
y_,x_ = neighbours[rand(neighbours.size - 1)] | |
if z[y_][x_] == 0 | |
z[y_ + (y - y_) / 2][x_ + (x - x_) / 2] = z[y_][x_] = 1 | |
x, y = x_, y_ | |
end | |
end | |
end | |
end | |
size = DIMENSION/SPLITS | |
z.each_with_index do |row, x| | |
row.each_with_index do |value, y| | |
draw_quad x*size, y*size, COLOR, | |
x*size+size, y*size, COLOR, | |
x*size+size, y*size+size, COLOR, | |
x*size, y*size+size, COLOR if value==1 | |
end | |
end | |
end | |
end | |
GameWindow.new.show |
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