DPolyAvatar

local PANEL = {}

function PANEL:Init()
    self.icon = vgui.Create("AvatarImage", self)
    self.icon:SetPos(0, 0)
    self.icon:SetSize(1, 1)
    self.icon:NoClipping(true)
    self.icon:SetPaintedManually(true)
    self.segments = 24
    self.rotation = 0
    self:MakePoly(self:GetWide(), self:GetTall())
end

function PANEL:SetCircleSegments(segments)
    self.segments = segments
    self:MakePoly(self:GetWide(), self:GetTall())
end

function PANEL:SetRotation(rotation)
    self.rotation = rotation * math.pi / 180
    self:MakePoly(self:GetWide(), self:GetTall())
end

function PANEL:MakePoly(w, h)
    local poly = {}

    for i = self.rotation, self.rotation + math.pi * 2 - 0.001, math.pi * 2 / self.segments do
        poly[#poly + 1] = {
            x = math.cos(i)*w/2 + w/2,
            y = math.sin(i)*h/2 + h/2,
            u = math.cos(i)/2+0.5,
            v = math.sin(i)/2+0.5
        }
    end

    self.poly = poly
end

function PANEL:PerformLayout()
    local w, h = self:GetWide(), self:GetTall()
    self.icon:SetPos(w/2, h/2)
    self:MakePoly(w, h)
end

function PANEL:SetPlayer(ply, size)
    self.icon:SetPlayer(ply, size)
end

function PANEL:Paint(w, h)
    if not self.poly or not self.icon then return end
    self.icon:PaintManual()
    surface.DrawPoly(self.poly)
end

vgui.Register("DPolyAvatar", PANEL)