i would try
wait 300
for that delay or wait 400 if you need more
if you want alot of collision ideas you may find them in this link
http://darkbasic.thegamecreators.com/?m=forum_view&t=27373&b=7
but you should check out the math collision also
http://darkbasic.thegamecreators.com/?s=8&f=t01/3d_tutorial_index
should be in this one.
and pong
http://darkbasic.thegamecreators.com/?m=forum_view&t=22030&b=7
do you have the trial version? and did you find the help section yet?
please dont make fun of my spelling,or sentence structure.Id rather study math or programming