狼牙风暴：满天爪影四面八方

bolts[#bolts + 1] = { vx = cos(ang) * 130, vy = sin(ang) * 130 * 0.4 }

 fx-clawstorm

local ClawStorm = {}
local BOLT_N, BOLT_SPEED = 8, 130

function ClawStorm.Cast(monster)
    SL:PlayActorAct(monster, "attack")
    SL:ShakeCamera(4, 0.2)
    for i = 1, BOLT_N do
        local ang = (i / BOLT_N) * math.pi * 2
        SL:SpawnProjectile("claw_bolt", monster, {
            vx = math.cos(ang) * BOLT_SPEED,
            vy = math.sin(ang) * BOLT_SPEED * 0.4,
        })
    end
    SL:ShowTipAbove(monster, "狼牙风暴!")
end

local function onTick(dt)
    for _, b in ipairs(SL:GetProjectiles("claw_bolt")) do
        b.x = b.x + b.vx * dt
        b.y = b.y + b.vy * dt
        if SL:IsNear(b, "player", 20) then
            SL:DamagePlayer(8)
            SL:KillProjectile(b)
        end
        if b.x < -20 or b.x > 700 or b.y < 0 or b.y > 300 then
            SL:KillProjectile(b)
        end
    end
end

SL:RegTick("clawstorm_tick", onTick)
SL:RegClick("storm", function() ClawStorm.Cast("monster") end)

return ClawStorm