local mat = CreateMaterial("eye_test" .. os.clock(), "EyeRefract", {})

local function Texture(var)
    local temp = CreateMaterial("temp_mat_"..os.clock(), "VertexLitGeneric", {
        ["$basetexture"] = var
    })

    return temp:GetTexture("$basetexture")
end

mat:SetTexture("$Iris", Texture("models/vortigaunt/new_vort_eye"))
mat:SetTexture("$AmbientOcclTexture", Texture("Engine/eye-extra"))
mat:SetTexture("$Envmap", Texture("Engine/eye-reflection-cubemap"))
mat:SetTexture("$CorneaTexture", Texture("Engine/eye-cornea"))

mat:SetFloat("$EyeballRadius", 3.25)
mat:SetVector("$AmbientOcclColor", Vector(0.3, 0.3, 0.3))
mat:SetFloat("$Dilation", 0.75)
mat:SetFloat("$ParallaxStrength", 0.4)
mat:SetFloat("$CorneaBumpStrength", 0.75)
mat:SetInt("$halflambert", 1)
mat:SetInt("$nodecal", 1)
mat:SetInt("$RaytraceSphere", 1)
mat:SetInt("$SphereTexkillCombo", 0)

local ent = this
function ent:RenderOverride()
    mat:SetVector("$eyeorigin", self:GetPos())
    mat:SetVector("$entityorigin", me:GetPos())

    render.ModelMaterialOverride(mat)
    self:DrawModel()
    render.ModelMaterialOverride()
end