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Proceed one final node on eot, change color gradient over yellow

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This commit is contained in:
orwell96 2018-12-19 22:41:04 +01:00
parent 97c4e91d3a
commit 09d2302909
1 changed files with 20 additions and 7 deletions
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27
main.lua
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@ -17,10 +17,12 @@ local wimscale = 4
local drminy = -30
-- Color of min y level
local colminy = {r=0, g=0, b=255}
-- Intermediate color
local colmedy = {r=255, g=0, b=0}
-- Maximum y level drawn
local drmaxy = 70
local drmaxy = 80
-- Color of max y level
local colmaxy = {r=255, g=0, b=0}
local colmaxy = {r=255, g=255, b=0}
datapath = (arg[1] or "").."/"
@ -163,6 +165,8 @@ local function gen_rsp_polyline(rsp)
while true do
local adj_pos, adj_connid, conn_idx, nextrail_y, next_conns = advtrains.get_adjacent_rail(pos, conns, connid)
if not adj_pos then
-- proceed one more node, for seamless turnout transitions
current_polyline[#current_polyline+1] = advtrains.pos_add_dir(pos, conns[connid].c)
return
end
-- continue traversing
@ -208,11 +212,20 @@ end
local function pl_header(fac)
local color = {
r = colminy.r + (colmaxy.r-colminy.r)*fac,
g = colminy.g + (colmaxy.g-colminy.g)*fac,
b = colminy.b + (colmaxy.b-colminy.b)*fac,
}
local color
if fac<0.5 then
color = {
r = colminy.r + (colmedy.r-colminy.r)*2*fac,
g = colminy.g + (colmedy.g-colminy.g)*2*fac,
b = colminy.b + (colmedy.b-colminy.b)*2*fac,
}
else
color = {
r = colmedy.r + (colmaxy.r-colmedy.r)*(2*fac-1),
g = colmedy.g + (colmaxy.g-colmedy.g)*(2*fac-1),
b = colmedy.b + (colmaxy.b-colmedy.b)*(2*fac-1),
}
end
local c = hexcolor(color)
return '<polyline style="fill:none;stroke:'..c..';stroke-width:1" points="'