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erode/snowballs: Add comment

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Starbeamrainbowlabs 2020-08-21 21:00:45 +01:00
parent fd5804dd9c
commit 07588e0940
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
1 changed files with 1 additions and 0 deletions
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worldeditadditions/lib/erode/snowballs.lua
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@ -36,6 +36,7 @@ local function snowball(heightmap, normalmap, heightmap_size, startpos, params)
if hi > heightmap_length then return false, "Out-of-bounds on the array, hi: "..hi..", heightmap_length: "..heightmap_length end if hi > heightmap_length then return false, "Out-of-bounds on the array, hi: "..hi..", heightmap_length: "..heightmap_length end
-- NOTE: We need to decide whether we want to keep the precomputed normals as we have now, or whether we want to dynamically compute them at the some of request.
-- print("[snowball] sediment", sediment, "rate_deposit", params.rate_deposit, "normalmap[hi].z", normalmap[hi].z) -- print("[snowball] sediment", sediment, "rate_deposit", params.rate_deposit, "normalmap[hi].z", normalmap[hi].z)
local step_deposit = sediment * params.rate_deposit * normalmap[hi].z local step_deposit = sediment * params.rate_deposit * normalmap[hi].z
local step_erode = params.rate_erosion * (1 - normalmap[hi].z) * math.min(1, i*params.scale_iterations) local step_erode = params.rate_erosion * (1 - normalmap[hi].z) * math.min(1, i*params.scale_iterations)