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I've recently begun making a program in dark basic.
Yesterday i saved my work them turned off the computer.
Today when i added more code to the program i clicked the run and compile button.

The program began running but just as the screen came up it disappeared again.

If anyone knows how to fix this then i thank you greatly.

Most likely it's because the program reached its end. Without a WAIT KEY or some kind of loop, when the program is done running, well, it ends.

If that's not the case, then posting your code will give everyone a chance to see what's going on.

Sync On
Sync Rate 30
Rem Create sphere
Make object cube 1,100
Rem Main loop
Do
Rem Store the object's Y angle in aY#
aY# = Object angle Y(1)

Rem Control input
If Upkey()=1 then Move object 1,2
If Leftkey()=1 then aY# = Wrapvalue(aY#+5)
If Rightkey()=1 then aY# = Wrapvalue(aY#+5)

Rem rotate the sphere
Yrotate object 1,aY#

Rem Refresh Screen
Sync
LOOP
For x = 1 to 5
Make object cube x,100
Position object x,Rnd(2000),0,Rnd(2000)
NEXT
If Upkey()=1 then Move camera 10
If Leftkey()=1 then Yrotate Camera Wrapvalue(caY#-5)
If Rightkey()=1 then Yrotate Camera Wrapvalue (caY#-5)
Rem Setup sync
Sync On
Sync Rate 30

Rem Make Cubes and place randomly
For x = 1 to 5
Make object cube x,100
Position object x,Rnd(2000),0,Rnd(2000)
NEXT

Rem Make sphere
Make object sphere 10,50

Rem Main loop
Do
Rem Store Object angle Y in aY#
aY# = Object angle Y(10)

Rem Control input for camera
If Upkey()=1 then Move object 10,10
If Leftkey()=1 then Yrotate object 10,Wrapvalue(aY#-5)
If Rightkey()=1 then Yrotate object 10,Wrapvalue(aY#-5)

Rem get player object position and store in X# and Z#
X# = Object position x(10)
Z# = Object position x(10)

Rem get new camera position and store in cZ# and cX#
cZ# = Newzvalue(Z#,aY#-180,100)
cX# = Newxvalue(X#,aY#-180,100)

Rem position camera
Position camera cX#,100,cZ#

Rem point the camera at the player object
Point camera X#,50,Z#

Rem Refresh Screen
Sync
LOOP

Rem Setup sync
Sync On
Sync Rate 30

Rem Make Cubes and place randomly
For x = 1 to 5
Make object sphere 10,50
Position object x,Rnd(2000),0,Rnd(2000)
Set object collision to boxes x
NEXT

Rem Make sphere
Make object sphere 10,50
Position object 10,-100,0,-100
Set object collision to spheres 10

Rem Main loop
Do
Rem Store Object angle Y in aY#
aY# = Object angle Y(10)

Rem Control input for camera
If Upkey()=1 then Move object 10,10
If Leftkey()=1 then Yrotate object 10,Wrapvalue(aY#-5)
If Rightkey()=1 then Yrotate object 10,Wrapvalue(aY#+5)

Rem Detect collision
If Object collision(10,0)>0 then position object 10,X#,0,Z#

Rem get player object position and store in X# and Z#
X# = Object position x(10)
Z# = Object position x(10)

Rem get new camera position and store in cZ# and cX#
cZ# = Newsvalue(Z#,aY#-180,100)
cX# = Newsvalue(X#,aY#-180,100)

Rem position camera
Position camera cX#,75,cZ#

Rem point the camera at the player object
Point camera X#,25,Z#

Rem Refresh Screen
Sync
LOOP

Hmmm... you should really put the code in a code box.



Looking over your code now...

around line 103 and 104 you have


which are invalid commands. Replacing them with the valid z and x commands gives me a cube on the screen, and I can use the arrow keys to move or rotate. I don't see a sphere, or any kind of collision.

What happens when you change those two commands?

Further edit: Oh, I notice that your loop is before all the spheres and collision stuff, so never mind. I can see the cube just fine. Your post with the code looks like you have several versions all pasted into one program.

Ah thanks, i was following the tutorial on this site about dark basic.

Ill make sure i use that code thingy next time.