Is this right?

[hothands]

I'm trying to make a swep that multiplies damage by half of your current velocity. Is this how I'd do it? I would test it myself but I'm on the toilet at school :/

SWEP.Category                 = "Smash"
SWEP.PrintName                = "Force Crowbar"            
SWEP.Author                    = Bitl, Chroma"
SWEP.Instructions            = "Surf to gain momentum, bhop to keep momentum, and swing to deal damage multiplied by momentum"
SWEP.Spawnable                 = true
SWEP.AdminOnly                 = false
SWEP.Primary.ClipSize        = -1
SWEP.Primary.DefaultClip    = -1
SWEP.Primary.Automatic        = true
SWEP.Primary.Ammo            = "None"
SWEP.Secondary.ClipSize        = -1
SWEP.Secondary.DefaultClip    = -1
SWEP.Secondary.Automatic    = false
SWEP.Secondary.Ammo            = "None"
SWEP.Weight                    = 3
SWEP.AutoSwitchTo            = false
SWEP.AutoSwitchFrom            = false
SWEP.Slot                    = 0
SWEP.SlotPos                = 4
SWEP.DrawAmmo                = false
SWEP.DrawCrosshair            = true
SWEP.ViewModel                = "models/weapons/v_crowbar.mdl"
SWEP.WorldModel                = "models/weapons/w_crowbar.mdl"

function SWEP:Initialize()

    self:SetWeaponHoldType( "melee" )

end

function SWEP:PrimaryAttack()

    self.Weapon:SetNextPrimaryFire( CurTime() + 0.5 )

     local trace = self.Owner:GetEyeTrace();
    if trace.HitPos:Distance(self.Owner:GetShootPos()) <= 75 then
            self.Owner:SetAnimation( PLAYER_ATTACK1 );
            self.Weapon:SendWeaponAnim( ACT_VM_HITCENTER );
                bullet = {}
                bullet.Num    = 1
                bullet.Src    = self.Owner:GetShootPos()
                bullet.Dir    = self.Owner:GetAimVector()
                bullet.Spread = Vector(0, 0, 0)
                bullet.Tracer = 0
                bullet.Force  = self.Owner:GetVelocity()
                bullet.Damage = 25 + self.OwnerVelocity()
            self.Owner:FireBullets(bullet)
            self.Weapon:EmitSound("Weapon_Crowbar.Melee_Hit")            
    else
        self.Owner:SetAnimation( PLAYER_ATTACK1 );
        self.Weapon:SendWeaponAnim( ACT_VM_HITCENTER );
        self.Weapon:EmitSound("Weapon_Crowbar.Single")
    end

    self.Weapon:SetNextPrimaryFire( CurTime() + 0.43 )

I wouldve used Bitl's base. (wouldve just used my own base, but a
gain I'm at school.)

[G😹nz😻]

In your self.Owner:GetVelocity() add Vector/Length to just get the length and not a vector, so you get a plain velocity, then you subtract it by 4 and you got it