windows11で、sketchup6 その86

概要

windows11に、sketchup6を入れてみた。
rubyで、3Dを書く。
練習問題やってみた。

練習問題

lifegameを書け。

参考にしたページ

写真

サンプルコード

class Map
	ALIVE = 1
	DEAD = 0
	def initialize(xNum, yNum, isRandom = false)
		@map = []
		@xNum = xNum
		@yNum = yNum
		(0...xNum).each { |i|
			@map[i] = []
			(0...yNum).each { |j|
				@map[i][j] = isRandom ? rand(ALIVE + 1) : DEAD
			}
		}
	end

	def getState(i, j)
		if i < 0 || j < 0
			return DEAD
		end
		if @map[i].nil?
			DEAD
		elsif @map[i][j].nil?
			DEAD
		else
			@map[i][j]
		end
	end

	def getSum8Neighborhood(i, j)
		sum = 0
		sum = sum + getState(i - 1, j)
		sum = sum + getState(i + 1, j)
		sum = sum + getState(i, j - 1)
		sum = sum + getState(i, j + 1)
		sum = sum + getState(i - 1, j - 1)
		sum = sum + getState(i + 1, j - 1)
		sum = sum + getState(i - 1, j + 1)
		sum = sum + getState(i + 1, j + 1)
	end

	def update
		newMap = []
		(0...@xNum).each { |i|
			newMap[i] = []
			(0...@yNum).each { |j|
				newMap[i][j] = calcNewState(i, j)
			}
		}
		@map = newMap
	end

	def calcNewState(i, j)
		state = @map[i][j]
		sum = getSum8Neighborhood(i, j)
		if state == DEAD && sum == 3
			ALIVE
		elsif state == ALIVE && (sum == 2 || sum == 3)
			ALIVE
		elsif state == ALIVE && (sum <= 1)
			DEAD
		elsif state == ALIVE && sum >= 4
			DEAD
		else
			state
		end
	end

	def clear
		puts "\e[H\e[2j"
	end

	def draw
		clear
		(0...@xNum).each { |i|
			(0...@yNum).each { |j|
				if @map[i][j] == DEAD
					print "_"
				else
					print "@"
				end
			}
			puts ''
		}
	end

	def setState(i, j, state)
		@map[i][j] = state
	end

	def isExtinction
		@map.flatten.inject(:+) == 0
	end

	def out
		@map.flatten
	end
end

def lifegame2
	model = Sketchup.active_model
	entities = model.active_entities
	@view = model.active_view
	@faces = []
	@cycles = 0
	ysize = 18
	xsize = 18
	blk = 2
	@map = Map.new(18, 18, true)
	for j in 0..(ysize - 1)
		for i in 0..(xsize - 1)
			i2 = i + 1
			j2 = j + 1
			pt1 = [(i * blk), (j * blk), 0]
			pt2 = [(i2 * blk), (j * blk), 0]
			pt3 = [(i2 * blk), (j2 * blk), 0]
			pt4 = [(i * blk), (j2 * blk), 0]
			face1 = entities.add_face(pt1, pt2, pt3, pt4)
			@faces << face1
		end
	end
	update_array = @map.out
	#puts update_array
	counter = 0
	for facei in @faces
		if update_array[counter] == 1
			facei.reverse!
		end
		counter += 1
	end
	UI.messagebox("ok")
	def run
		@map.update
		update_array = @map.out
		counter = 0
		for facei in @faces
			if update_array[counter] == 1
				facei.reverse!
			end
			counter += 1
		end
		@view.invalidate
		@cycles += 1
		puts @cycles
		if @map.isExtinction == 0
		#if @cycles > 2
			UI.stop_timer(@conwaytimer)
		end
	end
	@conwaytimer = UI.start_timer(0.9, true) {
		run
	}
end

以上。