吹泡泡：一戳就碎才上头

fx-bubble

local Bubble = {}
local bubbles = {}

function BB.Blow()
    local bx, by = 330, SL:GetValue("height") - 40
    for i = 1, 5 do
        bubbles[#bubbles + 1] = {
            x = bx, y = by,
            r = 10 + math.random() * 12,
            vx = (math.random() - 0.5) * 60,
            vy = -(40 + math.random() * 40),
            hue = math.random() * 360,
            ph = math.random() * 6.28
        }
    end
end

function BB.Tick(dt)
    for i = #bubbles, 1, -1 do
        local b = bubbles[i]
        b.ph = b.ph + dt
        -- 摇曳上升: 正弦横移叠加纵向升力
        b.x = b.x + (b.vx + math.sin(b.ph * 1.4) * 20) * dt
        b.y = b.y + b.vy * dt
        SL:SetFxPos("bubble" .. i, b.x, b.y)
        SL:SetFxHue("bubble" .. i, (b.hue + SL:GetValue("irisT")) % 360)
        if b.y < -b.r * 2 then
            table.remove(bubbles, i)              -- 飘出屏顶自然消散
        end
    end
    SL:SetValue("irisT", (SL:GetValue("irisT") or 0) + dt * 30)
end

-- 玩家点击回调: 戳破判定
function BB.OnTap(x, y)
    for i = #bubbles, 1, -1 do
        local b = bubbles[i]
        if math.sqrt((b.x - x) ^ 2 + (b.y - y) ^ 2) < b.r + 6 then
            SL:PlayBurst(b.x, b.y, "bubble_shard", 8)
            SL:SetValue("popped", SL:GetValue("popped") + 1)
            table.remove(bubbles, i)
            SL:PlaySfx("pop")
            return
        end
    end
end

return Bubble