Ugghhh, ugly code! my eyes!

temp.x=camera.x;
temp.y=camera.y;
temp.z=camera.z;
//becomes
vec_set(temp.x,camera.x);

edit, i may have your problem and i'm wondering How is your code even working?

phent_setmass(me,PH_BOX);
//should be
phent_setmass(my, 100, PH_BOX);