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im making a game in whick you control a cannon and you have to shoot badies (spheres) that are attacking you
its in the early stages anyway...
im trying to amke the cannon rotate and i can get it to rotate on the horizontal plane with the camera always behind it
now i need to tilt the cannon up and down
ive tried a few things (pivot up/down) but it doesnt seem to work
remarked out the up and down key loops to see how the rst of the code works

thanks for any help
slan
jomo

`MAKE BARREL (SCALE,ROTATE)
make object cube 1,10
scale object 1,100,100,1000

position object 1,0,0,50

color object 1,RGB(168,168,168)

`MAKE MATRIX
make matrix 1,100,100,10,10
position matrix 1 ,0,0,0

sync on
sync rate 30

`CONSTANTS
cameraangle# = -90

theta_angle# = 0
phi_angle# = 0

theta# = 90
phi# = 0
speed# = 1
position camera 0,200,-200

do
set cursor 0,0


if downkey() = 1
phi# = phi# + 1
if phi# > 45 then phi# = 45
pitch object up 1,phi#
endif

if upkey() = 1
phi# = phi# - 1
if phi#

ok if noone can answer can someone at least direct me to a good 3 dimensional coordinate tutorial or something...

thanx
jomo

there seems to be a whole chunk of code missing from your post, but from the downkey() code i think you want to pitch your object 1 point at a time as long as this stays below 45.
But by pitching by phi# you are pitching - 1,2,3,4,5,6.. etc

try changing to this:
if downkey() = 1
phi# = phi# + 1
if phi# > 45 then phi# = 45
if phi#<45 then pitch object up 1,1
endif

can't see any difference between pitch object and xrotate object - but i dbp n00b too.

Xrotate object may or may not be relative to the object/screen/world coordinates depending on the version you are using and whatever other posts moaning about rotations say. Pitch object up should be relative to the object, but for some reason may or may not be, again depending on versions.