Lua抛物线：跳跃轨迹的顶点与落点

local function peakSlow(h0, v, g)
    local best, t = 0, 0
    while h0 + v * t - g * t * t / 2 > 0 do
        local h = h0 + v * t - g * t * t / 2
        if h > best then best = h end
        t = t + 0.1
    end
    return best
end

local function peakAndLand(h0, v, g)
    local hMax = h0 + v * v / (2 * g)
    local tLand = (v + math.sqrt(v * v + 2 * g * h0)) / g
    return hMax, tLand
end
local p = getplayerbyname("arc01")
sendmsg(p, 1, "顶点 " .. peakAndLand(5, 20, 10))