This might help:
Sync On
Sync Rate 0
Create Bitmap 1,640,480
CLS
Ink RGB(155,155,155),0
For N=64 To 120
Circle 128,128,N
Circle 128,129,N
Next N
Blur Bitmap 0,5
Sync
Sync
Get Image 1,0,0,256,256
Set Current Bitmap 0
Delete Bitmap 1
Make Object Sphere 1,2
Color Object 1,RGB(0,0,200)
Position Object 1,50,10,50
Make Object Plain 2,2.5,2.5
Position Object 2,50,10,50
Texture Object 2,1
Ghost Object On 2
Set Object 2,1,1,0,1,0,1,1
Make Matrix 1,100,100,50,50
CamX#=50.0: CamY#=15.0:CamZ#=45.0
Position Camera CamX#,CamY#,CamZ#
Point Camera 50,10,50
Do
If LeftKey() Then Dec CamX#,.01
If RightKey() Then Inc CamX#,.01
If UpKey() Then Inc CamY#,.01
If DownKey() Then Dec CamY#,.01
Position Camera CamX#,CamY#,CamZ#
Point Camera 50,10,50
Point Object 2,CamX#,CamY#,CamZ#
Sync
Loop
I put the matrix in just for positional purposes as a reference point as I've only put simple controls in it and it was difficult to gauge where you were.
TDK_Man