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RedMew/map_gen/terrain/neko_river_overlay.lua
2018-06-12 16:57:39 +01:00

26 lines
999 B
Lua

local perlin = require 'map_gen.shared.perlin_noise'
local Event = require 'utils.event'
local function init()
global.terrain_seed_A = math.random(10, 10000)
global.terrain_seed_B = math.random(10, 10000)
end
Event.on_init(init)
return function(x, y, world)
local wiggle = 50 + perlin.noise((x * 0.005), (y * 0.005), global.terrain_seed_A + 71) * 60
local terrain_A = perlin.noise((x * 0.005), (y * 0.005), global.terrain_seed_A + 19) * wiggle --For determining where water is
local terrain_sqr = terrain_A * terrain_A --we can use this again to mess with other layers as well
if terrain_sqr < 50 then --Main water areas
terrain_A = perlin.noise((x * 0.01), (y * 0.01), global.terrain_seed_A + 31) * 90 + (wiggle * -0.2) --we only gen this when we consider placing water
if terrain_A * terrain_A > 40 then --creates random bridges over the water by overlapping with another noise layer
return 'water'
end
end
return true
end