nida.lua

#!/usr/bin/gsl-shell -i

function clamp(n, min, max)
    if n < min then return min end
    if n > max then return max end
    return n
end

ap = 420

function nida_old(range)
    local base_dmg = 230 + ap*0.65
    local mult = 1 + (clamp(range, 525, 1500) - 525) * 1.5 / 975
    return base_dmg * mult
end

function nida_new(range)
    local base_dmg = 150 + ap*0.4
    local mult = 1 + (clamp(range, 525, 1300) - 525) * 2 / 775
    return base_dmg * mult
end

nida_diff = |x| nida_old(x) - nida_new(x)

function do_plot()
    local p = graph.plot("Nidalee spear damage")
    p:limits(0, 0, 1500, 1300)
    p:addline(graph.fxline(nida_old, 0, 1500), "red")
    p:addline(graph.fxline(nida_new, 0, 1500), "blue")
    p:addline(graph.fxline(nida_diff, 0, 1500), "green")
    p:legend("pre-rework", "red", "line")
    p:legend("current 4.10", "blue", "line")
    p:legend("difference", "green", "line")
    p.xtitle = "distance"
    p.ytitle = "damage"
    p:show()
    return p
end

p = do_plot()