First thing when you post, dude: state your language.. DBC or DBP?
Then, start studing some docs.. searching for help.. in the forums
there is a lot of help =DDD Read some tutorials that come with
the software.. it is gonna help very much..
Visit the code snippets session of thegamecreators.com and
you're gonna start learning:
http://www.thegamecreators.com/?m=codebase
I really friendly hint:
learn basics first, then start jumping and shoting =]
else you're gonna be under the effect of something like
a drug: each new command of your code will be asked here..
Willingly, visit the code snippets.. search for "jump",
"jumping", "collision", etc.. there are many simplified
examples there
The worst foe lies within the self...