I guess I have to be the guy to bring in the math...
You could also take the plane position and position the missles at that position, then offset it it with Cos for the X and Sin for the Z
Rem Project: Dark Basic Pro Project
Rem Created: Tuesday, March 29, 2011
Rem ***** Main Source File *****
sync on
sync rate 60
autocam off
Make object box 1,1,1,8
Make object box 2,1.5,0.1,7
yrotate object 2,90
Make mesh from object 1,2
Add limb 1,1,1
delete object 2
delete mesh 1
make object box 2,0.3,0.3,0.9
Position camera 0,3,-11
PlaneX#=0
PlaneY#=0
PlaneZ#=0
Do
Yrotate object 1,Object angle y(1)+(rightkey()-leftkey())*2
Move object 1,upkey()-downkey()
Dist#=2
PlaneX#=Object position x(1)
PlaneY#=Object position y(1)
PlaneZ#=Object position z(1)
PlaneAngY#=-object angle y(1)
MX#=Cos(PlaneAngY#)*Dist#+PlaneX#
MZ#=Sin(PlaneAngY#)*Dist#+PlaneZ#
position object 2,MX#,object position y(1)-0.5,MZ#
yrotate object 2,object angle y(1)
Text 0,0,"Use the arrowkeys to control the plane."
sync
loop
