closion !?

hi! need som help
the camera dont colision whit the cube ?

cube=CreateCube()
camera=CreateCamera()
PositionEntity camera ,10,2.5,10
PositionEntity cube1,1,5,20
PositionEntity cube2,20,5,1
PositionEntity cube3,40,5,20
EntityType cube1, 2
EntityType cube2, 2
EntityType cube3, 2
EntityType camera, 1
Collisions 1, 2, 1,2


or if it is this cod thats is wrong..
plz help me