function matcore.DrawCircle(posx, posy, radius, color)
	local poly = { }
	local v = 40
	for i = 0, v do
		poly[i+1] = {x = math.sin(-math.rad(i/v*360)) * radius + posx, y = math.cos(-math.rad(i/v*360)) * radius + posy}
	end
	draw.NoTexture()
	surface.SetDrawColor(color)
	surface.DrawPoly(poly)
end