define billboard-image
mesh
name billboard-CTFfriday1
#4 vertices, 2 faces
vertex 0 40.00000000 15.00000000
vertex 0 40.00000000 55.00000000
vertex 0 -40.00000000 55.00000000
vertex 0 -40.00000000 15.00000000
texcoord 0 0
texcoord 0 1.00000000
texcoord 1.00000000 0
texcoord 1.00000000 1.00000000
face
vertices 1 2 3 0
texcoords 3 1 0 2
endface
end
enddef