合并方法

p = convertToPoly(Plane()) --create a plane, convert to EPoly
s = sphere radius:5 --create a sphere primitive
p.attach s s --attach sphere to EPoly

p = convertToPoly(Plane()) --create a plane, convert to EPoly
b = Box() --create a box primitive
b.rotation = eulerangles 45 45 0 --rotate the box
t = teapot radius:5 --create a teapot primitive
p.attach t b --attach teapot to EPoly using the box ' s transformation