local fold = Instance.new('Folder')
fold.Parent = workspace
fold.Name="TGEN"
local X = 50
local Z = 50
local offset = 75
local grid = {}

function GenTer(sz,xx,zz,w8)
	fold:ClearAllChildren()
	local seed = math.random(1,100000)

	for x = 1, xx or X do
		grid[x] = {}
		for z = 1, zz or Z do
			grid[x][z] = math.noise((seed + x)/15,z/15) * 15
		end
	end

	for  x = 1, xx or X do 
		wait(w8)
		for z = 1 ,zz or Z do 
			wait(w8)
			local yp = grid[x][z]	
			local p = Instance.new('Part')
			p.Anchored = true
			p.Locked = true	
			if yp < -3 then
				p.Material = Enum.Material.Sand
				p.BrickColor = BrickColor.new('Cool yellow')
			else
				p.Material = Enum.Material.Grass
				p.BrickColor = BrickColor.new('Bright green')
			end	
			p.Position = Vector3.new(x*sz+offset,yp,z*sz+offset)
			p.Size = Vector3.new(sz,20,sz)
			p.Parent = fold
		end
	end
	print('done!')
end

owner.Chatted:connect(function(m)
	local args = string.split(m," ")
	if args[1] == "]gen" then
		print("generating terrain with following params\n")
		print('brickwidth: '..(args[2] or 2).."\ngenwidth(x): "..(args[3] or 25).."\ngenwidth(z): "..(args[4] or 25).."\nwait time: "..(args[5] or "no time"))
		GenTer(tonumber(args[2]) or 2,tonumber(args[3]) or 25, tonumber(args[4]) or 25,tonumber(args[5] or nil))
	elseif args[1] == "]clear" then
		fold:ClearAllChildren()
		print('clearing folder')
	elseif args[1] == "]offset" then
		offset = tonumber(args[2])
		print("offset set to "..args[2])
	end
end)